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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of
the Securities Exchange Act of 1934 (Amendment No.          )

Filed by the Registrant ý

Filed by a Party other than the Registrant o

Check the appropriate box:

ý

 

Preliminary Proxy Statement

o

 

Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

o

 

Definitive Proxy Statement

o

 

Definitive Additional Materials

o

 

Soliciting Material under §240.14a-12

 

IRONWOOD PHARMACEUTICALS, INC.

(Name of Registrant as Specified In Its Charter)

 

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):

ý

 

No fee required.

o

 

Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.
    (1)   Title of each class of securities to which transaction applies:
        
 
    (2)   Aggregate number of securities to which transaction applies:
        
 
    (3)   Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (set forth the amount on which the filing fee is calculated and state how it was determined):
        
 
    (4)   Proposed maximum aggregate value of transaction:
        
 
    (5)   Total fee paid:
        
 

o

 

Fee paid previously with preliminary materials.

o

 

Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.

 

 

(1)

 

Amount Previously Paid:
        
 
    (2)   Form, Schedule or Registration Statement No.:
        
 
    (3)   Filing Party:
        
 
    (4)   Date Filed:
        
 

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LOGO

301 Binney Street
Cambridge, Massachusetts 02142

PRELIMINARY PROXY STATEMENT—SUBJECT TO COMPLETION

NOTICE OF 2018 ANNUAL MEETING OF STOCKHOLDERS OF
IRONWOOD PHARMACEUTICALS, INC.

Date:   [          ], [          ], 2018

Time:

 

[          ] [a.m./p.m.] Eastern Time

Place:

 

[            ]

Purpose:

 

We are holding the annual meeting for stockholders to consider the following proposals:

 

 

1.

 

To elect our Class II directors, Lawrence S. Olanoff, Douglas E. Williams and Amy W. Schulman, each for a three-year term;

 

 

2.

 

To hold an advisory vote on named executive officer compensation;

 

 

3.

 

To ratify our audit committee's selection of Ernst & Young LLP as our auditors for 2018; and

 

 

4.

 

To hold a vote on a proposal submitted by Sarissa Capital Offshore Master Fund LP, which we refer to, together with its affiliates, as Sarissa, to repeal any provisions of our bylaws not included in the bylaws publicly filed as of March 27, 2018, if properly introduced at the annual meeting.

 

 

We will also consider action on any other matter that may be properly brought before the meeting or any postponement(s) or adjournment(s) thereof.

        Our board of directors recommends you vote "for" each of the nominees for Class II director (proposal no. 1), "for" on an advisory vote on named executive officer compensation (proposal no. 2), "for" ratification of our selection of auditors (proposal no. 3), and "against" the proposal submitted by Sarissa (proposal no. 4).     Only stockholders of record at the close of business on [            ], 2018 are entitled to notice of and to vote at the meeting.

         Please note that Sarissa has provided notice to the company of its intention to nominate an individual, or the Sarissa nominee, for election as director at the annual meeting in opposition to the nominees proposed by our board of directors. You may receive solicitation materials from Sarissa, including proxy statements and proxy cards. We are not responsible for the accuracy of any information provided by or relating to Sarissa or its nominee contained in solicitation materials filed or disseminated by or on behalf of Sarissa or any other statements Sarissa or its representatives may make.

         Our board of directors unanimously recommends that you vote FOR the election of each of the nominees proposed by our board of directors. As previously disclosed, the board's Governance and Nominating Committee has a thorough process for evaluating prospective directors and is carefully reviewing and considering the Sarissa nominee. Subject to the completion of this evaluation and review, our board of directors urges you not to sign or return any proxy card sent to you by Sarissa and strongly recommends that you vote AGAINST the proposal submitted by Sarissa. If you have previously submitted a proxy card sent to you by Sarissa, you can revoke that proxy and vote for our


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board's nominees and on the other matters to be voted on at the meeting by using the enclosed WHITE proxy card.

        It is extremely important that your shares be represented and voted at the annual meeting. Whether or not you plan to attend the annual meeting, please vote as soon as possible. You are urged to date, sign and return the WHITE proxy card in the envelope provided to you, or to use the telephone or internet method of voting described on your WHITE proxy card, even if you plan to attend the annual meeting, so that your shares can be voted regardless of whether you attend the annual meeting. Voting now will not limit your right to change your vote or to attend the annual meeting. If you should be present at the meeting and desire to vote in person, you may withdraw your proxy at such time. If your shares are held in the name of a broker, bank or other holder of record, follow the voting instructions you received from the holder of record in order to vote your shares.

        If you have any questions regarding this information or the proxy materials, please contact MacKenzie Partners, Inc., or MacKenzie Partners, our proxy solicitor assisting us in connection with the annual meeting, toll-free at (800) 322-2885 or at (212) 929-5500 or via email to proxy@mackenziepartners.com.

Proxy Material Mailing Date:   Sincerely,

[            ], 2018

 

  

Senior Vice President, Chief Legal Officer, and Secretary

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General Information

    1  

Security Ownership of Certain Beneficial Owners and Management

   
6
 

Certain Relationships and Related Transactions

   
10
 

Directors and Corporate Governance

   
10
 

Background of the Solicitation

   
22
 

Proposal No. 1—Election of Directors

   
24
 

Executive and Director Compensation

   
25
 

Proposal No. 2—Advisory Vote on Named Executive Officer Compensation

   
58
 

Proposal No. 3—Ratification of our Selection of Auditors

   
59
 

Proposal No. 4—Stockholder Proposal

   
61
 

Section 16(a) Beneficial Ownership Reporting Compliance

   
62
 

Stockholder Communications, Proposals and Nominations for Directorships

   
62
 

SEC Filings

   
62
 

Annex A:    Supplemental Information Regarding Participants

   
A-1
 

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LOGO

301 Binney Street
Cambridge, Massachusetts 02142

PRELIMINARY PROXY STATEMENT—SUBJECT TO COMPLETION

PROXY STATEMENT FOR 2018 ANNUAL MEETING OF STOCKHOLDERS


GENERAL INFORMATION

        Our board of directors is soliciting proxies on the WHITE proxy card for the 2018 annual meeting of stockholders. This proxy statement explains the agenda, voting information and procedures for the meeting. Please read it carefully. This proxy statement and accompanying WHITE proxy card are first being mailed to the stockholders on or about [                ], 2018 . All stockholders will also have the ability to access the proxy materials online through the Investors section of our website at www.ironwoodpharma.com , under the heading Featured Reports.

        In this proxy statement, references to "the company" or "Ironwood" and, except within the Audit Committee Report and the Compensation Committee Report, references to "we", "us" or "our" mean Ironwood Pharmaceuticals, Inc. LINZESS® is a trademark of Ironwood Pharmaceuticals, Inc. ZURAMPIC® and DUZALLO® are trademarks of AstraZeneca AB. Any other trademarks referred to in this proxy statement are the property of their respective owners. All rights reserved.

        The contents of our website are not incorporated into this document and you should not consider information provided on our website to be part of this document.

        Who can vote.     Only stockholders of record of either of our two series of common stock, our Class A common stock and our Class B common stock, at the close of business on [                ], 2018 can vote at the meeting.

        Quorum.     In order to hold and complete the business of the annual meeting, we must have a majority of the votes entitled to be cast represented in person or by proxy at the meeting. On our record date, [                ], 2018, we had [            ] shares of our common stock outstanding and entitled to vote ([            ] shares of our Class A common stock and [            ] shares of our Class B common stock).

        With respect to all matters that will come before the meeting, each share is entitled to one vote, and holders of shares of our Class A common stock and of our Class B common stock will vote together as a single class.

        Opposing Board nominee.     Sarissa Capital Offshore Master Fund LP and its affiliates, which we collectively refer to as Sarissa, are company stockholders that are reported to beneficially own approximately 2.2% of our common stock as of March 28, 2018. Sarissa has notified the company of its intention to nominate an individual for election as director at the annual meeting in opposition to the nominees recommended by our board of directors. Our board of directors unanimously recommends that you vote FOR the election of each of the nominees proposed by our board of directors. As previously disclosed, the board's Governance and Nominating Committee has a thorough process for evaluating prospective directors and is carefully reviewing and considering the Sarissa nominee. Subject to the completion of this evaluation and review, our board of directors urges you not to sign or return any proxy card sent to you by Sarissa. If you have previously submitted a proxy card sent to you by

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Sarissa, you can revoke that proxy and vote for our board's nominees and on the other matters to be voted on at the meeting by using the enclosed WHITE proxy card.

        Voting procedures—stockholders of record and beneficial owners.     You are a stockholder of record if your shares of our stock are registered directly in your own name with our transfer agent, Computershare Trust Company, N.A., or Computershare. You are a beneficial owner if a brokerage firm, bank, trustee or other agent, called a "nominee", holds your stock. This is often called ownership in "street name" because your name does not appear in the records of Computershare. If you hold your shares in street name, you should receive a WHITE voting instruction form from your broker nominee.

    How to vote your shares.

        It is important that your shares be represented and voted at the annual meeting. Whether or not you plan to attend the annual meeting, please vote as soon as possible. You are urged to date, sign and return the WHITE proxy card in the envelope provided to you, or to use the telephone or internet method of voting described below and on your proxy card, even if you plan to attend the annual meeting, so that your shares can be voted regardless of whether you attend the annual meeting. Voting now will not limit your right to change your vote or to attend the annual meeting. If you should be present at the meeting and desire to vote in person, you may withdraw your proxy at such time.

        If you are a stockholder of record, there are four ways to vote:

    In Person.   You may vote in person at the annual meeting. We will give you a ballot when you arrive.

    Via the Internet.   You may vote by proxy via the internet by following the instructions provided on the WHITE proxy card. You must have the control number that is on the WHITE proxy card when voting.

    By Telephone.   If you live in the United States or Canada, you may vote by proxy by calling the toll-free number found on the WHITE proxy card. You must have the control number that is on the WHITE proxy card when voting.

    By Mail.   You may vote by proxy by filling out the WHITE proxy card and sending it back in the envelope provided.

        If you are a beneficial owner of shares held in street name, there are four ways to provide voting instructions:

    In Person.   If you wish to vote in person at the annual meeting, you must obtain a legal proxy from the nominee that holds your shares. Please contact that nominee for instructions regarding obtaining a legal proxy.

    Via the Internet.   You may provide voting instructions via the internet by following the instructions provided on your WHITE voting instruction form. You must have the control number that is on the WHITE voting instruction form.

    By Telephone.   You may provide voting instructions by calling the toll-free number found on your WHITE voting instruction form. You must have the control number that is on the WHITE voting instruction form.

    By Mail.   You may provide voting instructions by filling out the WHITE voting instruction form and sending it back in the envelope provided.

        How you may revoke your proxy or voting instructions.     If you are a stockholder of record, you may revoke or amend your proxy before it is voted at the annual meeting by writing to us directly in a

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timely manner "revoking" your earlier proxy, submitting a new proxy in a timely manner with a later date by mail, over the telephone or on the internet, or by attending the meeting and voting in person. Your last dated proxy timely received prior to or vote cast at the annual meeting will be counted. If you have previously signed a proxy card sent to you by Sarissa or otherwise voted according to instructions provided by Sarissa, you may change your vote by submitting a new proxy. Submitting a proxy card sent to you by Sarissa—even if you "withhold" your vote on the Sarissa nominee—will revoke votes you have previously made by the company's WHITE proxy card. Accordingly, if you wish to vote pursuant to the recommendation of our board of directors, you should disregard and not return any proxy card that you may receive from Sarissa. If you hold your shares in street name, you must follow the instructions on your WHITE voting instruction form to revoke or amend any prior voting instructions.

        What if you receive more than one proxy card or voting instruction form?     If you received more than one WHITE proxy card or WHITE voting instruction form, this means that you may have more than one account at Computershare and/or with a nominee. Your WHITE proxy card or WHITE voting instruction form lists the number of shares you are voting. Please vote all WHITE proxy cards and WHITE voting instruction forms that you receive.

        We recommend you consolidate your holdings under the same name, address and tax identification number, if possible. This will eliminate some duplication of mailings and reduce costs. Please contact your nominee to consolidate accounts, or our transfer agent, Computershare, at (800) 662-7232, as applicable.

        Additionally, please note that Sarissa has stated its intention to nominate an individual for election as director at the annual meeting and present a proposal calling for the repeal of any provision of our bylaws not included in the bylaws publicly filed with the Securities and Exchange Commission, the SEC, on or prior to March 27, 2018, or the Sarissa proposal. If Sarissa proceeds with its director nomination and the Sarissa proposal, you may receive proxy solicitation materials from Sarissa, including an opposition proxy statement and a proxy card. Our board of directors strongly recommends that you disregard and do not return any proxy card you receive from Sarissa. Voting to "withhold" with respect to the Sarissa nominee on the proxy card sent to you by Sarissa is not the same as voting for our board of directors' nominees because such a vote would revoke any WHITE proxy card you previously submitted.

        If you have already voted using Sarissa's proxy card, you have every right to change your vote and revoke your prior proxy by signing and dating the enclosed WHITE proxy card and returning it in the envelope provided or by voting via the Internet or by telephone by following the instructions provided on the enclosed WHITE proxy card or WHITE voting instruction form. Only the latest dated proxy you timely submit will be counted. If you have any questions or need assistance voting, please contact our proxy solicitor, MacKenzie Partners, toll-free at (800) 322-2885 or at (212) 929-5500 or via email to proxy@mackenziepartners.com.

        Abstentions and "broker non-votes".     If you are a stockholder of record and you vote "abstain" or "withhold" on any matter, your shares will not be voted on that matter and will not be counted as votes cast in the final tally of votes on that matter. However, your shares will be counted for purposes of determining whether a quorum is present. If you are a beneficial owner holding through a broker nominee, you may instruct your nominee that you wish to abstain from voting on a proposal or withhold authority to vote for one or more nominees for director.

        A broker nominee generally may not vote on "non-routine" matters without receiving your specific voting instructions. A "broker non-vote" occurs when a broker nominee holding shares in street name votes shares on some matters at the meeting but not others. Like abstentions, broker non-votes are counted as present and entitled to vote for quorum purposes, but are not counted as votes cast. At the annual meeting, your broker nominee will not be able to submit a vote on the election of directors, the

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advisory votes on named executive officer compensation or the Sarissa proposal unless it receives your specific instructions. If your nominee does not receive your specific instructions for these proposals, it will submit a broker non-vote if it has the discretion to vote, without instruction, on the selection of our independent auditors, as outlined below.

        Although votes on the ratification of the selection of our independent auditors are normally considered "routine" matters such that broker nominees may vote without instructions from beneficial owners, to the extent that your broker nominee provides you with Sarissa's proxy materials, it will not be able to vote your shares without your specific instructions and there will be no broker non-votes at the annual meeting. To the extent that your broker nominee does not provide you with Sarissa's proxy materials, your broker nominee will be able to vote on the ratification of the selection of our independent auditors on the WHITE proxy card even if it does not receive your instructions.

        Discretionary authority.     If you are a stockholder of record and you properly submit your WHITE proxy card without making any specific selections, your shares will be voted on each matter before the annual meeting in the manner recommended by our board. If other matters not included in this proxy statement properly come before the annual meeting, the persons named on the WHITE proxy card, or otherwise designated, will have the authority to vote on those matters for you as they determine. If you are a beneficial owner of shares held in street name, please see the discussion above regarding broker non-votes and the rules related to voting by nominees.

        Vote required.     The required vote for each of the proposals expected to be acted upon at the annual meeting is described below.

    1.
    Proposal No. 1—Election of Class II Directors :    the three nominees for director with the highest number of affirmative votes will be elected as directors to serve for three-year terms and until their successors are duly elected and qualified or until their death, resignation or removal. Because there is no minimum vote required, abstentions and broker non-votes, if any, will not affect the outcome of this proposal.

    2.
    Proposal No. 2—Advisory (non-binding) Vote on Named Executive Officer Compensation, or "Say-on-Pay" :    because this proposal calls for a non-binding, advisory vote there is no "required vote" that would constitute approval. However, our board, including our compensation and HR committee, values the opinions of our stockholders and, to the extent there are a substantial number of votes cast against the named executive officer compensation disclosed in this proxy statement, we will consider our stockholders' concerns and evaluate what actions may be appropriate to address those concerns. Broker nominees do not have discretion to vote on this proposal without your instruction; if you do not instruct your nominee how to vote on this proposal, your nominee will deliver a non-vote. Any shares that are not voted, whether by abstention, broker non-votes, if any, or otherwise, will not affect the outcome of this proposal.

    3.
    Proposal No. 3—Ratification of Auditors :    the approval of this proposal requires a majority of the votes cast for or against the proposal. To the extent that a broker nominee provides you with Sarissa's proxy materials, such nominee would not have discretion to vote on this proposal; if you did not instruct your nominee how to vote on this proposal, your nominee would deliver a non-vote. To the extent that a broker nominee does not provide you with Sarissa's proxy materials, such nominee may vote on your behalf on the WHITE proxy card if you do not otherwise provide instructions. Abstentions and broker non-votes, if any, will not affect the outcome of this proposal.

    4.
    Proposal No. 4—Stockholder Proposal :    the approval of this proposal requires 80% of the votes entitled to be cast at the annual meeting. Abstentions and broker non-votes, if any, will have the same effect as a vote against this proposal.

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        Results of the voting.     The final voting results will be tallied by the inspector of election and, if available, published in a Current Report on Form 8-K, which we are required to file with the SEC within four business days following the annual meeting. If final voting results are not available to us in time to file a Form 8-K within four business days after the annual meeting, we intend to file a Form 8-K to report preliminary results, and to file an amendment to such Form 8-K to report the final results within four business days after the final results are known to us.

        Costs of solicitation and solicitation participants.     We will pay the costs of soliciting proxies on the WHITE proxy card. We will solicit proxies on the WHITE proxy card by email from stockholders who are our employees or who previously requested to receive proxy materials electronically. Our directors, our officers and our employees also may solicit proxies on our behalf, personally, electronically or by telephone, facsimile or mail or other means, without additional compensation. We may request that brokerage firms, banks and other agents forward proxy materials to beneficial owners and would reimburse such institutions for their out-of-pocket expenses incurred.

        We may also utilize the assistance of third parties in connection with our proxy solicitation efforts, and we would compensate such third parties for their efforts. We have engaged one such third party, MacKenzie Partners, to assist in the solicitation of proxies and provide related advice and informational support, for services fees of up to $[            ] and the reimbursement of certain expenses. MacKenzie Partners estimates that approximately [            ] of its employees will assist in the company's proxy solicitation. Annex A sets forth information relating to our directors, including nominees for directors at the annual meeting, and certain of our officers and employees who are considered "participants" in our solicitation under the rules of the SEC by reason of their position as directors of the company, as nominees for directors or because they may be soliciting proxies on our behalf. Our expenses in connection with our solicitation of proxies, excluding salaries and wages of our officers and regular employees, are expected to aggregate to approximately $[            ], of which approximately $[            ] has been spent to date.

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SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

        The following table sets forth certain information with respect to the beneficial ownership of our common stock at March 31, 2018 for:

    each person whom we know beneficially owns more than five percent of our common stock;

    each of our directors;

    each of our named executive officers; and

    all of our directors and executive officers as a group.

        The number of shares beneficially owned by each stockholder is determined under rules issued by the SEC. Under these rules, beneficial ownership includes any shares as to which the individual or entity has sole or shared voting power or investment power. Each of the stockholders listed has sole voting and investment power with respect to the shares beneficially owned by the stockholder unless noted otherwise, subject to community property laws where applicable.

        The percentage of common stock beneficially owned by each person is based on 151,604,044 shares of common stock outstanding on March 31, 2018 137,606,687 shares of Class A common stock and 13,997,357 shares of Class B common stock). Each share of Class B common stock is convertible at any time into one share of Class A common stock. Shares of common stock that may be acquired within 60 days following March 31, 2018 pursuant to the exercise of options or the vesting of restricted stock units, or RSUs, are included in the holdings of each stockholder, as applicable, and are deemed to be outstanding for the purpose of computing the percentage ownership of such holder. Such amounts, however, are not included in the holdings of any other stockholder in the table and are not deemed to be outstanding for computing the percentage ownership of any other holder shown in the table. Beneficial ownership representing less than one percent is denoted with an "*."

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        Unless otherwise indicated, the address for each of the stockholders in the table below is c/o Ironwood Pharmaceuticals, Inc., 301 Binney Street, Cambridge, Massachusetts 02142.

 
  Shares Beneficially Owned    
 
 
  Class A Common
Stock
  Class B Common
Stock
   
 
 
  % Total Voting
Power(1)
 
Name of Beneficial Owner
  Shares   %   Shares   %  

Officers and Directors

                               

Peter M. Hecht(2)

    2,591,665     1.8     4,826,917     34.2     4.8  

Gina Consylman(3)

    84,990     *         *     *  

Mark G. Currie(4)

    980,362     *     970,000     6.8     1.3  

Halley E. Gilbert(5)

    474,098     *     70,000     *     *  

Thomas A. McCourt(6)

    675,659     *     250,000     1.8     *  

Tom Graney

    25,126     *         *     *  

Andrew Dreyfus

    41,884     *         *     *  

Marsha H. Fanucci

    75,633     *     44,863     *     *  

Terrance G. McGuire(7)

    91,540     *     40,000     *     *  

Julie H. McHugh

    77,908     *         *     *  

Lawrence S. Olanoff

    29,330     *         *     *  

Edward P. Owens

    183,305     *         *     *  

Amy W. Schulman

    25,418     *         *     *  

Douglas E. Williams

    75,633     *         *     *  

All executive officers and directors as a group (14 persons)(8)

    5,407,425     3.8     6,201,780     42.4     7.4  

5% Security Holders

                               

Wellington Management Group LLP(9)

    18,957,167     13.8         *     12.5  

T. Rowe Price(10)

    18,924,414     13.8         *     12.5  

FMR LLC (Fidelity)(11)

    17,652,960     12.8         *     11.6  

BlackRock, Inc.(12)

    11,702,048     8.5         *     7.7  

The Vanguard Group(13)

    11,274,790     8.2         *     7.4  

Janus Henderson Group plc(14)

    8,309,638     6.0         *     5.5  

UBS Group AG(15)

    7,632,969     5.5         *     5.0  

(1)
Percentage total voting power represents voting power with respect to all shares of our Class A common stock and Class B common stock, as a single class, on matters in which holders of our Class B common stock are entitled to one vote per share. Each share of Class A common stock and each share of Class B common stock has one vote per share, except (a) on the following matters (on which each share of Class A common stock has one vote per share and each share of Class B common stock has ten votes per share), if submitted to a vote of stockholders: (i) adoption of a merger or consolidation agreement involving Ironwood; (ii) a sale of all or substantially all of Ironwood's assets; or (iii) a dissolution or liquidation of Ironwood; and (b) on every matter if and when any individual, entity or "group" (as such term is used in Regulation 13D of the Securities Exchange Act of 1934, as amended, or the Exchange Act) has, or has publicly disclosed (through a press release or a filing with the SEC) an intent to have, beneficial ownership of 30% or more of the number of outstanding shares of Class A common stock and Class B common stock, combined. Holders of shares of Class A common stock and Class B common stock vote together as a single class on all matters (including those set forth in this proxy statement) submitted to a vote of stockholders, unless otherwise required by our certificate of incorporation or bylaws. The Class B common stock is convertible at any time by the holder into shares of Class A common stock on a share-for-share basis.

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(2)
Includes 2,591,665 shares of Class A common stock and 130,000 shares of Class B common stock issuable to Dr. Hecht upon the exercise of options that are exercisable within 60 days following March 31, 2018.

(3)
Includes 73,957 shares of Class A common stock issuable to Ms. Consylman upon the exercise of options that are exercisable within 60 days following March 31, 2018.

(4)
Includes 967,706 shares of Class A common stock and 195,000 shares of Class B common stock issuable to Dr. Currie upon the exercise of options that are exercisable within 60 days following March 31, 2018.

(5)
Includes 433,331 shares of Class A common stock and 70,000 shares of Class B common stock issuable to Ms. Gilbert upon the exercise of options that are exercisable within 60 days following March 31, 2018.

(6)
Includes 646,770 shares of Class A common stock and 250,000 shares of Class B common stock issuable to Mr. McCourt upon the exercise of options that are exercisable within 60 days following March 31, 2018.

(7)
Includes 1,626 shares of Class A common stock held by Polaris Venture Management Co. II, L.L.C. and 29,117 shares of Class A common stock and 40,000 shares of Class B common stock held by Bartlett Partners, LLC. Mr. McGuire is a managing member of Bartlett Partners, LLC and Polaris Venture Management Co. II, L.L.C. and has shared voting and investment authority over these shares.

(8)
Includes 4,713,429 shares of Class A common stock and 645,000 shares of Class B common stock issuable upon the exercise of options that are exercisable within 60 days following March 31, 2018. Mr. Graney was no longer an executive officer of Ironwood as of March 31, 2018, and therefore his beneficial ownership information is not included in this amount.

(9)
Based upon the information provided by Wellington Management Group LLP ("Wellington"), Wellington Group Holdings LLP ("Wellington Group"), Wellington Investment Advisors Holdings LLP ("Wellington Investment") and Wellington Management Company LLP ("Wellington Management," collectively with Wellington, Wellington Group and Wellington Investment, the "Wellington Entities") in a Schedule 13G/A filed on February 8, 2018, reporting as of December 31, 2017. According to this Schedule 13G/A, (i) Wellington has sole voting and dispositive power with respect to none of these shares, shared voting power with respect to 11,740,665 of these shares, and shared dispositive power with respect to all of these shares, (ii) Wellington Group has sole voting and dispositive power with respect to none of these shares, shared voting power with respect to 11,740,665 of these shares, and shared dispositive power with respect to all of these shares, (iii) Wellington Investment has sole voting and dispositive power with respect to none of these shares, shared voting power with respect to 11,740,665 of these shares, and shared dispositive power with respect to all of these shares, and (iv) Wellington Management has sole voting and dispositive power with respect to none of these shares, shared voting power with respect to 11,304,317 of these shares, and shared dispositive power with respect to 17,776,619 of these shares. The address of the Wellington Entities is c/o Wellington Management Company LLP, 280 Congress Street, Boston, MA 02210.

(10)
Based upon the information provided by T. Rowe Price Associates, Inc. ("T. Rowe Price") in a Schedule 13G/A filed on February 14, 2018, reporting as of December 31, 2017. According to this Schedule 13G/A, T. Rowe Price has sole voting power with respect to 3,057,280 of these shares, sole dispositive power with respect to 18,924,414 shares, and shared voting and dispositive power with respect to none of these shares. The address of T. Rowe Price is 100 E. Pratt Street, Baltimore, MD 21202.

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(11)
Based upon the information provided by FMR LLC ("FMR") and Abigail P. Johnson in a Schedule 13G/A filed on February 13, 2018, reporting as of December 31, 2017. According to this Schedule 13G/A, (i) FMR has sole voting power with respect to 3,410,382 of these shares, sole dispositive power with respect to all of these shares, and shared voting and dispositive power with respect to none of these shares, and (ii) Ms. Johnson has neither sole nor shared voting power with respect to these shares and sole dispositive power with respect to all of these shares and shared dispositive power with respect to none of these shares. The address of FMR and Ms. Johnson is 245 Summer Street, Boston, MA 02210.

(12)
Based upon the information provided by BlackRock, Inc. ("BlackRock") in a Schedule 13G/A filed on January 25, 2018, reporting as of December 31, 2017. According to this Schedule 13G/A, Blackrock has sole voting power with respect to 11,393,916 of these shares, sole dispositive power with respect to 11,702,048 of these shares, and shared voting and dispositive power with respect to none of these shares. The address of BlackRock is 55 East 52 nd  Street, New York, NY 10055.

(13)
Based upon the information provided by The Vanguard Group ("Vanguard") in a Schedule 13G/A filed on February 9, 2018, reporting as of December 31, 2017. According to this Schedule 13G/A, Vanguard has sole voting power with respect to 262,988 of these shares, sole dispositive power with respect to 11,003,173 of these shares, shared voting power with respect to 19,406 of these shares and shared dispositive power with respect to 271,617 of these shares. The address of Vanguard is 100 Vanguard Blvd., Malvern, PA 19355.

(14)
Based upon the information provided by Janus Henderson Group plc ("Janus") in a Schedule 13G filed on February 13, 2018, reporting as of December 31, 2017. According to this Schedule 13G, Janus has sole voting and sole dispositive power with respect to none of these shares, and shared voting and dispositive power with respect to all of these shares. The address of Janus is 201 Bishopsgate EC2M 3AE, United Kingdom.

(15)
Based upon the information provided by UBS Group AG ("UBS") in a Schedule 13G filed on February 13, 2018, reporting as of December 31, 2017. According to this Schedule 13G, UBS has sole voting power with respect to 7,147,982 of these shares, shared dispositive power with respect to 7,632,959 of these shares, and shared voting power and sole dispositive power with respect to none of these shares. The address of UBS is 100 Bahnhofstrasse 45, Zurich, Switzerland.

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CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

        Since January 1, 2017, except as described below, there has not been, nor is there currently proposed, any transaction or series of similar transactions to which we were or are a party in which the amount involved exceeded or exceeds $120,000 and in which any of our directors, executive officers, holders of more than 5% of any class of our voting securities, or any member of the immediate family of any of the foregoing persons, had or will have a direct or indirect material interest, other than compensation arrangements with directors and executive officers, which are described under the caption Executive and Director Compensation appearing elsewhere in this proxy statement.

Indemnification Agreements

        We have entered into indemnification agreements with each of our current directors and certain of our officers. These agreements require us to indemnify these individuals to the fullest extent permitted under Delaware law against liabilities that may arise by reason of their service to us, and to advance expenses incurred as a result of any proceeding against them as to which they could be indemnified. We intend to enter into indemnification agreements with our future directors and executive officers.

Procedures for Related Party Transactions

        Under our code of business conduct and ethics, our employees, officers and directors are discouraged from entering into any transaction that may create or give the appearance of a conflict of interest. In addition, they must report any potential conflict of interest, including related party transactions, to certain members of our management or the chair of our audit committee. Pursuant to its charter, our audit committee must approve any related party transactions, including those transactions involving our directors. In approving or rejecting a proposed transaction, the audit committee considers the relevant facts and circumstances available to and deemed relevant by the audit committee, including the material terms of the transaction, risks, benefits, costs, availability of other comparable services or products and, if applicable, the impact on a director's independence. Our audit committee will approve only those transactions that, in light of known circumstances, are in, or are not inconsistent with, our best interests, as our audit committee determines in the good faith exercise of its discretion. A copy of our code of business conduct and ethics and our audit committee charter are available through the Investors section of our website at www.ironwoodpharma.com , under the heading Corporate Governance.


DIRECTORS AND CORPORATE GOVERNANCE

Board Composition and Structure

        Our certificate of incorporation states that our board shall consist of between one and 15 members, and the precise number of directors shall be fixed by a resolution of our board. Each director holds office until his or her successor is duly elected and qualified or until his or her death, resignation or removal. Our certificate of incorporation provides that our directors may be removed only for cause by a majority of the stockholders entitled to vote on such removal. Any vacancy in the board, including a vacancy that results from an increase in the number of directors, may be filled by a vote of the majority of the directors then in office. Any additional directorships resulting from an increase in the number of directors will be apportioned by our board among the three classes.

        Our board of directors currently consists of nine members, eight of whom are non-employee members. In accordance with the terms of our certificate of incorporation, our board of directors is divided into three classes, and the directors in each class serve for three-year terms. Upon the expiration of the term of a class of directors, directors in that class will be eligible to be nominated and elected for a new three-year term at the annual meeting in the year in which their term expires. The current members of each class are set forth in the table below under Directors .

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        We separate the roles of chair of the board and chief executive officer and rotate the chairperson approximately every five years. Our board believes that this structure enhances the board's oversight of, and independence from, management, and enables the board to carry out its responsibilities on behalf of our stockholders. This leadership structure also allows Dr. Hecht, our chief executive officer, to focus his time and energy on operating and managing the company, while leveraging the experience and perspective of Mr. McGuire, the current chair of our board. As set forth in our corporate governance guidelines, our board of directors currently anticipates that its chairperson shall rotate approximately every five years, unless the governance and nominating committee recommends otherwise. We expect this rotation will take place in approximately 2020.

Directors

    Board Composition

        We believe that our board of directors should be comprised of individuals with sophistication and experience in many substantive areas that will help us achieve our goals of creating and commercializing medicines that make a difference for patients, building value for our fellow stockholders, and empowering our passionate team.

        The core criteria that we use in evaluating each nominee to our board consists of the following: (a) an owner-oriented attitude and a commitment to represent the interests of our stockholders, demonstrated, in part, through ownership of our capital stock; (b) strong personal and professional ethics, integrity and values; (c) strong business acumen and savvy; (d) a deep, genuine passion for our business and the patients whom we serve; (e) demonstrated achievement in the nominee's field of expertise; (f) the absence of conflicts of interest that would impair the nominee's ability to represent the interests of our stockholders; (g) the ability to dedicate the time necessary to regularly participate in meetings of the board and committees of our board; and (h) the potential to contribute to the diversity of our board of directors, as a result of the nominee's professional background, expertise, gender, age or ethnicity.

        As illustrated in the matrix below, we believe our current directors possess the professional and personal qualifications and necessary expertise both within and outside of the healthcare industry to maintain an effective board of directors that can effectively represent stockholders.

 
  Broader Business   Healthcare Industry
Ironwood Board
  Capital
allocation /
Finance /
Accounting
  Strategic
Transactions
  Risk
Management
  Human
Capital
  Public
Company
Board
  Senior
Leadership
(small biotech)
  Senior
Leadership
(large pharma)
  Customer /
market insights
(patient, payer,
physician)

Terrance McGuire

  ü   ü   ü       ü            

Andrew Dreyfus

 

ü

 

ü

 

ü

 

ü

             

ü

Marsha Fanucci

 

ü

 

ü

 

ü

 

ü

 

ü

     

ü

   

Peter Hecht, Ph.D. 

 

ü

 

ü

 

ü

 

ü

     

ü

       

Julie McHugh

 

ü

 

ü

     

ü

 

ü

 

ü

 

ü

 

ü

Lawrence Olanoff, M.D., Ph.D. 

     

ü

 

ü

 

ü

 

ü

 

ü

 

ü

 

ü

Edward Owens

 

ü

 

ü

 

ü

                   

Amy W. Schulman

 

ü

 

ü

 

ü

 

ü

 

ü

 

ü

 

ü

 

ü

Douglas Williams, Ph.D. 

     

ü

     

ü

 

ü

 

ü

 

ü

   

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    Director Succession Planning

        We refresh our board of directors and assess our board succession plans regularly with the aim of balancing tenure and expertise. As of [            ], 2018, the average age of our independent directors is 62 years, and the average tenure of our independent directors is six years. We have added six new independent directors since 2013.

GRAPHIC

    Annual Evaluations

        Our directors conduct annual evaluations to assess the performance and effectiveness of the board of directors and each committee in which they are a member. In addition, each director completes a self evaluation as well as a peer evaluation of each other director. For 2017, each director completed a written questionnaire which solicited open-ended and candid feedback on an anonymous basis. In addition to the director evaluations, we also solicit annual feedback from senior management concerning the board's performance on an anonymous basis. The self and peer evaluations and comments were compiled, summarized and discussed between our chief executive officer, the chairman of our board of directors and the chairperson of the governance and nominating committee. The chairperson of the governance and nominating committee then conducted individual feedback sessions with each director to discuss the results of the individual evaluations. The collective board and committee evaluations and comments (including those from senior management) were compiled, summarized and presented to the board of directors.

    Director Nomination Process

        Our governance and nominating committee identifies potential director candidates through referrals and recommendations, including by incumbent directors, management and stockholders, as well as through business and other organizational networks. To date, our governance and nominating committee has not retained or paid any third party to identify or evaluate, or assist in identifying or evaluating, potential director nominees, although it reserves the right to engage executive search firms and other third parties to assist in finding suitable candidates. Stockholders who wish to recommend candidates may contact the governance and nominating committee in the manner described in Stockholder Communications, Proposals and Nominations for Directorships—Communications . Stockholder-recommended candidates whose recommendations comply with these procedures will be

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evaluated by the governance and nominating committee in the same manner as candidates identified by the governance and nominating committee.

    Our Board of Directors

        The following table sets forth certain information, as of [            ], 2018, with respect to each of our directors:

Name
  Age   Class   Year
term
expires
  Audit
committee
  Governance
and Nominating
committee
  Compensation
and HR
committee

Lawrence S. Olanoff, M.D., Ph.D. 

    66   II     2018       ü    

Amy W. Schulman

    57   II     2018           ü

Douglas E. Williams, Ph.D. 

    60   II     2018           ü

Marsha H. Fanucci

    64   III     2019   C        

Terrance G. McGuire, Chair

    62   III     2019       ü    

Edward P. Owens

    71   III     2019           C

Andrew Dreyfus

    59   I     2020   ü        

Peter M. Hecht, Ph.D., Chief Executive Officer

    54   I     2020            

Julie H. McHugh

    53   I     2020   ü   C    

"C" indicates chair of the committee.

Class II Directors (accepted nomination for election at the 2018 annual meeting)

Lawrence S. Olanoff, M.D., Ph.D., 66, Independent
Director since 2015

        Dr. Olanoff most recently served as chief operating officer for Forest Laboratories, Inc. (acquired by Allergan plc) from October 2006 to December 2010. Dr. Olanoff also served as a director of Forest from October 2006 to July 2014. From July 2005 to October 2006, Dr. Olanoff was president and chief executive officer at Celsion Corporation. He also served as executive vice president and chief scientific officer of Forest from 1995 to 2005. Prior to joining Forest in 1995, Dr. Olanoff served as senior vice president of clinical research and development at Sandoz Pharmaceutical Corporation (now a division of the Novartis Group) and at the Upjohn Company in a number of positions including corporate vice president of clinical development and medical affairs.

        In addition, he is currently an adjunct assistant professor and special advisor to the president for corporate relations at the Medical University of South Carolina (MUSC), an ex-officio director of the MUSC Foundation for Research Development, chairman of the board of the Clinical Biotechnology Research Institute at Roper St. Francis Hospital, a board member of the Horizon Project and the Zucker Institute for Applied Neurosciences, and a former board member of Axovant Sciences Ltd.

        Dr. Olanoff received his Ph.D. in biomedical engineering and M.D. degree from Case Western Reserve University. Dr. Olanoff's detailed knowledge of the pharmaceutical industry, his broad operational experience and his research and development leadership over the course of his career make him an important asset to our board of directors.

Douglas E. Williams, Ph.D., 60, Independent
Director since 2014

        Dr. Williams has been the president and chief executive officer of Codiak Biosciences Inc. since August 2015; previously he served as executive vice president, research and development at Biogen Inc. from January 2011 to July 2015. Before joining Biogen, Dr. Williams held several senior executive

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positions at ZymoGenetics Inc., a biopharmaceutical company, including chief executive officer and a director from January 2009 to October 2010, president and chief scientific officer from July 2007 to January 2009 and executive vice president, research and development and chief scientific officer from 2004 to July 2007. Previously, he held leadership positions within the biotechnology industry, including chief scientific officer and executive vice president of research and development at Seattle Genetics Inc., and senior vice president and Washington site leader at Amgen Inc. Dr. Williams also served in a series of scientific and senior leadership positions over a decade at Immunex Corp., including as executive vice president and chief technology officer and senior vice president of discovery research, as well as previously serving as a director of the company.

        Prior to that, Dr. Williams served on the faculty of the Indiana University School of Medicine and the Department of Laboratory Medicine at the Roswell Park Memorial Institute in Buffalo, New York. Dr. Williams serves on the board of directors of Ovid Therapeutics, Inc., and previously served on the board of directors of Regulus Therapeutics Inc. and Oncothyreon Inc.

        Dr. Williams received his B.S. in Biological Sciences from the University of Massachusetts Lowell and Ph.D. in Physiology from the State University of New York at Buffalo, Roswell Park Memorial Institute Division. Dr. Williams brings to our board of directors significant senior management and scientific experience at biotechnology companies, which we believe is important to our goal of maximizing our current products and executing on our corporate strategy and associated pipeline.

Amy W. Schulman, 57, Independent
Director since 2017

        In July 2015, Ms. Schulman co-founded and joined Lyndra, Inc. as chief executive officer. In February 2017, she became chief executive officer of Olivo Laboratories, LLC. Ms. Schulman is also a senior lecturer at Harvard Business School, where she was appointed to the faculty in July 2014, and has been a partner at Polaris Partners since August 2014. Ms. Schulman served as chief executive officer of Arsia Therapeutics, Inc. from August 2014 to November 2016 when Arsia was acquired by Eagle Pharmaceuticals, Inc. Ms. Schulman was previously the executive vice president and general counsel of Pfizer Inc. from May 2008 to July 2014, where she also served as the business unit lead for Pfizer's consumer healthcare business from April 2012 to December 2013. Before joining Pfizer, she was a partner at the law firm DLA Piper, where she was a member of the board and executive policy committees.

        Ms. Schulman also serves as a director of Arsanis, Inc., Alnylam Pharmaceuticals, Inc. and Blue Buffalo Pet Products, Inc., and previously served as a director of BIND Therapeutics, Inc. Ms. Schulman graduated with honors with B.A. degrees in philosophy and English from Wesleyan University, where she was elected to Phi Beta Kappa, and earned her J.D. from Yale Law School in 1989. Ms. Schulman brings to our board of directors extensive leadership experience in the biotechnology industry in areas of great importance to the success of our business as we execute on our corporate objectives, including commercial strategy, corporate development and capability building.

Class III Directors (term expires at the 2019 annual meeting)

Marsha H. Fanucci, 64, Independent
Director since 2009

        Ms. Fanucci served as senior vice president and chief financial officer of Millennium Pharmaceuticals, Inc. from July 2004 through January 2009, where she was responsible for corporate strategy, treasury, financial planning and reporting and operations. While at Millennium, she also served as vice president, finance and corporate strategy and vice president, corporate development and strategy. Previously, she was vice president of corporate development and strategy at Genzyme Corporation, a biotechnology company, from 1998 to 2000. From 1987 to 1998, Ms. Fanucci was employed at Arthur D. Little, Inc. where she most recently served as vice president and director.

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        Ms. Fanucci presently serves on the board of directors of Alnylam Pharmaceuticals, Inc. and Syros Pharmaceuticals, Inc., and previously served on the board of directors of Momenta Pharmaceuticals, Inc. She received her B.S. in pharmacy from West Virginia University and her M.B.A. from Northeastern University. Because of her extensive financial experiences at Millennium Pharmaceuticals and Genzyme in addition to her current and former directorships at Syros Pharmaceuticals, Alnylam Pharmaceuticals and Momenta Pharmaceuticals, we believe that Ms. Fanucci provides valuable industry insight and essential financial expertise as we execute our corporate objectives.

Terrance G. McGuire, 62, Independent
Director since 1998
Chair since 2015

        Mr. McGuire was a co-founder and is currently a general partner of Polaris Partners. Prior to starting Polaris Partners in 1996, Mr. McGuire spent seven years at Burr, Egan, Deleage & Co., investing in early stage medical and information technology companies. He serves on the board of directors of Arsanis, Inc. and Pulmatrix, Inc. and several private companies and has served on the boards of Acceleron Pharma, Inc., Akamai Technologies, Inc., Aspect Medical Systems, Inc., Cubist Pharmaceuticals, Inc., deCODE genetics, Inc., Trevena, Inc. and various private companies.

        Mr. McGuire is the former chairman of the National Venture Capital Association, which represents ninety percent of the venture capitalists in the U.S., chairman of the board of the Thayer School of Engineering at Dartmouth College, and a member of the boards of The David H. Koch Institute for Integrative Cancer Research at the Massachusetts Institute of Technology and The Arthur Rock Center for Entrepreneurship at Harvard Business School. Mr. McGuire earned a B.S. in physics and economics from Hobart College, an M.S. in engineering from The Thayer School at Dartmouth College, and an M.B.A from Harvard Business School. Mr. McGuire brings to our board extensive experience as a venture capitalist focused on the biotechnology industry, as well as many years of experience as a director of biotechnology companies guiding them in the execution of their corporate strategy and objectives.

Edward P. Owens, 71, Independent
Director since 2013

        Mr. Owens was previously partner, portfolio manager and global industry analyst with Wellington Management Company, LLP where he worked in investment management since 1974. He was the portfolio manager of the Vanguard Health Care Fund for 28 years from its inception in May 1984 until his retirement from Wellington in December 2012.

        Mr. Owens has a B.S. in physics from the University of Virginia and an M.B.A. from Harvard Business School. He brings to our board extensive experience in evaluating and investing in life sciences companies, providing valuable insight as we continue to strive towards our goal of maximizing long-term stockholder value.

Class I Directors (term expires at the 2020 annual meeting)

Andrew Dreyfus, 59, Independent
Director since 2016

        Mr. Dreyfus has served as president and chief executive officer for Blue Cross Blue Shield of Massachusetts, or BCBSMA, one of the largest independent, not-for-profit Blue Cross Blue Shield plans in the country, since September 2010. From July 2005 to September 2010, Mr. Dreyfus served as the executive vice president of health care services of BCBSMA. Prior to joining BCBSMA, he served as the first president of the Blue Cross Blue Shield of Massachusetts Foundation. Mr. Dreyfus also previously served as executive vice president of the Massachusetts Hospital Association and held a

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number of senior positions in Massachusetts state government, including undersecretary of consumer affairs and business regulation.

        Mr. Dreyfus is chair of the board of the National Institute for Health Care Management and serves on the board of directors of BCBSMA, Blue Cross Blue Shield Association, Jobs for Massachusetts, and the advisory board of Ariadne Labs. Mr. Dreyfus received a B.A. in English from Connecticut College. Mr. Dreyfus brings to our board of directors significant expertise in the healthcare payer and reimbursement market, and broad management and executive leadership experience, providing valuable insight as we continue to develop and commercialize medicines in an evolving healthcare landscape.

Peter M. Hecht, 54, Chief Executive Officer
Director and chief executive officer since founding in 1998

        Under Dr. Hecht's leadership, Ironwood has grown from nine Ph.D. scientists to a commercial biotechnology company. Prior to founding Ironwood, Dr. Hecht was a research fellow at Whitehead Institute for Biomedical Research. Dr. Hecht serves on the advisory board of Ariadne Labs. Dr. Hecht earned a B.S. in mathematics and an M.S. in biology from Stanford University, and holds a Ph.D. in molecular biology from the University of California at Berkeley. Dr. Hecht's experiences as one of our founders and his tenure as our chief executive officer make him a valuable member of our board of directors.

Julie H. McHugh, 53, Independent
Director since 2014

        Ms. McHugh most recently served as chief operating officer for Endo Health Solutions, Inc., from March 2010 through May 2013, where she was responsible for the specialty pharmaceutical and generic drug businesses. Prior to joining Endo, Ms. McHugh was the chief executive officer of Nora Therapeutics, Inc., a venture capital backed biotech start-up company focused on developing novel therapies for the treatment of infertility disorders. Before that she served as company group chairman for Johnson & Johnson's (J&J) worldwide virology business unit, and previously she was president of Centocor, Inc., a J&J subsidiary. While at J&J, Ms. McHugh oversaw the development and launches of several products, including Remicade® (infliximab), Prezista® (darunavir) and Intelence® (etravirine), and she was responsible for oversight of a research and development portfolio including compounds for HIV, hepatitis C, and tuberculosis. Prior to joining Centocor, Ms. McHugh led the marketing communications for gastrointestinal drug Prilosec® (omeprazole) at Astra-Merck Inc.

        She currently serves on the board of visitors for the Smeal College of Business of the Pennsylvania State University as well as on the board of directors of Aerie Pharmaceuticals, Inc., Lantheus Holdings, Inc. and Trevena, Inc., all publicly held companies, and The New Xellia Group, a privately held company. She previously served on the board of directors for ViroPharma Inc., Epirus Biopharmaceuticals, Inc., the Biotechnology Industry Organization (BIO), the Pennsylvania Biotechnology Association and the New England Healthcare Institute (NEHI).

        Ms. McHugh received her masters of business administration degree from St. Joseph's University and her Bachelor of Science degree from Pennsylvania State University. Ms. McHugh's experience as a chief executive officer and a chief operating officer at large multinational pharmaceutical companies make her a valuable member of our board of directors, particularly as we evolve as a company and seek to maximize our current products and execute on our corporate strategy and associated pipeline.

Director Independence

        Under NASDAQ Rule 5605, a majority of a listed company's board of directors must be comprised of independent directors. In addition, NASDAQ rules require that, subject to specified exceptions, each member of a listed company's audit, compensation and governance and nominating committees be

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independent and that audit and compensation committee members satisfy the additional independence criteria set forth in Rule 10A-3 and 10C-1, respectively, under the Exchange Act. Under NASDAQ Rule 5605(a)(2), a director will only qualify as an "independent director" if, in the opinion of that company's board of directors, that person does not have a relationship that would interfere with the exercise of independent judgment in carrying out the responsibilities of a director.

        Our governance and nominating committee determined that none of Messrs. Dreyfus, McGuire and Owens, Mses. Fanucci, McHugh and Schulman, and Drs. Olanoff and Williams, representing all of our non-employee directors and eight of our nine current directors, has a relationship that would interfere with the exercise of independent judgment in carrying out the responsibilities of a director and that each of these directors is "independent" as that term is defined under NASDAQ Rule 5605(a)(2). Our governance and nominating committee also determined that each of the current members of our audit committee, our governance and nominating committee, and our compensation and HR committee satisfies the independence standards for such committee established by Rule 10A-3 and 10C-1 under the Exchange Act, the SEC rules and the NASDAQ rules, as applicable. In making such determinations, our governance and nominating committee considered the information requested from and provided by each director concerning their background, employment and affiliations, including family relationships, the relationships that each such non-employee director has with Ironwood and all other facts and circumstances the committee deemed relevant in determining their independence. As part of such determination, the committee considered: (a) Dr. Olanoff's service on our Pharmaceutical Advisory Committee, or the PAC, and any payments for such services (however, his service on the PAC has since concluded and he currently serves as the board representative to the PAC, and receives no compensation for such representation); (b) the volume of business between BCBSMA, the company in which Mr. Dreyfus serves as president and chief executive officer, and Ironwood, which amounted to less than 1% of the annual revenues of each company; and (c) Ms. Schulman's position with a biotechnology company with which Ironwood had previously collaborated on a research program and no further services are expected to be performed or payments to be made in connection with such collaboration.

Risk Oversight

        Our board retains ultimate responsibility for risk oversight, and our management retains the responsibility for risk management. In carrying out its risk oversight responsibilities, our board reviews the long- and short-term internal and external risks facing the company through its participation in long-range strategic planning, and the annual review and evaluation of corporate risks that the audit committee reports. Our board also believes that separating the roles of chair of the board and chief executive officer enhances the board's ability to oversee risk in an objective manner.

        We have implemented and continue to refine a formalized enterprise risk management process. On an ongoing basis, we identify key risks, assess their potential impact and likelihood, and, where appropriate, implement operational measures and controls or purchase insurance coverage in order to help ensure adequate risk mitigation. On a quarterly basis, key risks, status of mitigation activities, and potential new or emerging risks are reported to and discussed with senior management and further addressed with our board, as necessary. On at least an annual basis, a long-term comprehensive enterprise risk management update is provided to our board. The long-term goal of our enterprise risk management process is to ingrain a culture of risk awareness and mitigation throughout the organization that can be applied to our current business activities as well as our assessment and pursuit of future business opportunities.

        As set forth in its charter, our audit committee discusses with management and our independent registered public accounting firm any significant risks or exposures facing Ironwood, evaluates the steps management has taken or proposes to take to mitigate such risks, and reviews our compliance with such mitigation plans. As part of fulfilling these responsibilities, the audit committee meets regularly

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with Ernst & Young LLP, our independent registered public accounting firm, and members of our management, including our chief executive officer, chief operating officer, chief financial officer, chief accounting officer, and chief legal officer. In addition, our audit committee reviews the risk factors presented in our annual reports on Form 10-K and our quarterly reports on Form 10-Q that we file with the SEC.

        As part of our board's risk oversight role, our compensation and HR committee reviews and evaluates the risks associated with our compensation programs and succession plans, as it is responsible under its charter for approving the compensation of all of our executive officers and overseeing succession planning for members of our senior management. Likewise, our governance and nominating committee is responsible for evaluating the performance, operations and composition of our board and the sufficiency of our corporate governance guidelines, either of which may impact our risk profile from a governance perspective.

        In performing their risk oversight functions, each committee of our board has full access to management, as well as the ability to engage outside advisors.

Hedging Policy

        As part of our insider trading prevention policy, our directors and executive officers are prohibited from engaging in any hedging or monetization transactions of our common stock, including through the use of financial instruments such as prepaid variable forwards, equity swaps, collars and exchange funds.

Corporate Governance Guidelines

        We have adopted corporate governance guidelines which are accessible through the Investors section of our website at www.ironwoodpharma.com , under the heading Corporate Governance, and which also are available in print to any stockholder who requests them from our Secretary. Our board believes that sound governance practices and policies provide an important framework to assist it in fulfilling its duties to stockholders, and relies on these guidelines to provide that framework. Among other things, the guidelines help to ensure that our board is independent from management, that our board adequately performs its oversight functions, and that the interests of our board and management align with the interests of our stockholders.

Sunset of Dual Class Voting Structure

        Since our initial public offering, or IPO, we have had a dual class equity voting structure (which provides holders of our Class B common stock with significant influence over certain limited matters requiring stockholder approval, including a merger involving Ironwood, a sale of substantially all Ironwood assets and a dissolution or liquidation of Ironwood). This structure was designed to ensure that long-term focused owners who have a history of experience with us would have the opportunity to carefully consider change of control decisions. We expect that, in accordance with the terms of our certificate of incorporation, all outstanding shares of Class B common stock will automatically convert into one share of Class A common stock on December 31, 2018.

Board Meetings

        Our board of directors held five meetings during 2017. As stated in our corporate governance guidelines, we expect our board members to rigorously prepare for, attend and participate in all board and applicable committee meetings. Each board member is expected to ensure that other existing and planned future commitments do not materially interfere with his or her service as a director. We also expect that all of our board members up for election at, or who have a term that continues after, an annual meeting of stockholders will attend such annual meeting. In 2017, each incumbent director

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attended at least 75% of all meetings of the board and all committees of the board on which he or she served that were held during the period that such director was a member of the board or the applicable committee. Eight of our nine directors at the time of our 2017 annual meeting of stockholders attended such meeting. Christopher Walsh did not attend our 2017 annual meeting of stockholders, as his term on our board ended effective at such meeting.

Committees

        Our board of directors has established an audit committee, a governance and nominating committee and a compensation and HR committee. Each committee operates under a charter that has been approved by our board. Copies of each charter are accessible through the Investors section of our website at www.ironwoodpharma.com , under the heading Corporate Governance, and are also available in print to any stockholder who requests them from our Secretary. The chair of each of our committees is expected to rotate approximately every three to five years, unless the governance and nominating committee recommends otherwise.

        Audit Committee.     We have a separately designated standing audit committee established by our board for the purpose of overseeing our accounting and financial reporting processes and audits of our financial statements. The members of our audit committee are Mses. Fanucci and McHugh and Mr. Dreyfus. Ms. Fanucci chairs the audit committee. Our audit committee met five times during 2017. Our audit committee assists our board of directors in its oversight of significant risks facing Ironwood, the integrity of our financial statements and our independent registered public accounting firm's qualifications, independence and performance.

        Our audit committee's responsibilities include:

    reviewing and discussing with management and our independent registered public accounting firm our annual and quarterly financial statements, earnings releases and related disclosures;

    reviewing and discussing with management and our independent registered public accounting firm our internal controls and internal auditing procedures, including any material weaknesses in either;

    discussing our accounting policies and all material correcting adjustments with our management and our independent registered public accounting firm;

    discussing with our management and our independent registered public accounting firm any significant risks facing the company and the related mitigation plans, as well as monitoring our internal control over financial reporting and disclosure controls and procedures;

    appointing, overseeing, and approving the compensation for and, when necessary, terminating our independent registered public accounting firm;

    approving all audit services and all permitted non-audit, tax and other services to be performed by our independent registered public accounting firm, in each case, in accordance with the audit committee's pre-approval policy;

    discussing with the independent registered public accounting firm its independence and ensuring that it receives the written disclosures regarding these communications required by the Public Company Accounting Oversight Board;

    reviewing and approving all transactions or series of similar transactions to which we were or are a party in which the amount involved exceeded or exceeds $120,000 and in which any of our directors, executive officers, holders of more than 5% of any class of our voting securities, or any member of the immediate family of any of the foregoing persons, had or will have a direct

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      or indirect material interest, other than compensation arrangements with directors and executive officers;

    recommending whether the audited financial statements should be included in our annual report and preparing the audit committee report required by SEC rules;

    reviewing all material communications between our management and our independent registered public accounting firm;

    reviewing, updating and recommending to our board approval of our code of business conduct and ethics; and

    establishing procedures for the receipt, retention, investigation and treatment of accounting related complaints and concerns.

        Ms. Fanucci is an audit committee financial expert, as defined in Item 407(d)(5) of Regulation S-K.

    Audit Committee Report

        In the course of our oversight of Ironwood's financial reporting process, we have (i) reviewed and discussed with management the company's audited financial statements for the fiscal year ended December 31, 2017, (ii) discussed with Ernst & Young LLP, the company's independent registered public accounting firm, the matters and communications required to be discussed pursuant to applicable auditing standards, and (iii) received the written disclosures and the letter from the company's independent registered public accounting firm required by applicable requirements of the Public Company Accounting Oversight Board regarding the independent registered public accounting firm's communications with us concerning independence, discussed with the independent registered public accounting firm its independence, and considered whether the provision of non-audit services by the independent registered public accounting firm is compatible with maintaining its independence.

        Based on the foregoing review and discussions, we recommended to the board of directors of the company that the audited financial statements be included in the company's Annual Report on Form 10-K for the year ended December 31, 2017 for filing with the SEC.

    By the Audit Committee,
    Marsha H. Fanucci, Chair
Andrew Dreyfus
Julie H. McHugh

        Governance and Nominating Committee.     The members of our governance and nominating committee are Ms. McHugh, Dr. Olanoff and Mr. McGuire. Ms. McHugh chairs the governance and nominating committee. Dr. Walsh previously chaired the governance and nominating committee until he transitioned off of our board effective as of our 2017 annual meeting of stockholders, at which time Ms. McHugh rotated onto this committee as its chair. Our governance and nominating committee met two times during 2017.

        Our governance and nominating committee's responsibilities include:

    identifying individuals qualified to become members of our board of directors;

    recommending to our board of directors the persons to be nominated for election as directors;

    assisting our board of directors in recruiting such nominees;

    recommending to our board of directors qualified individuals to serve as committee members;

    performing an annual evaluation of our board of directors;

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    evaluating the need and, if necessary, creating a plan for the continuing education of our directors;

    assessing and reviewing our corporate governance guidelines and recommending any changes to our board of directors; and

    evaluating and approving any requests from our executives to serve on the board of directors of another for-profit company.

        Compensation and HR Committee.     The members of our compensation and HR committee are Mr. Owens, Ms. Schulman and Dr. Williams. Mr. Owens chairs our compensation and HR committee. Our compensation and HR committee met three times during 2017. Our compensation and HR committee assists our board in fulfilling its responsibilities relating to the compensation of our board and our executive officers.

        Our compensation and HR committee's responsibilities include:

    reviewing and approving corporate goals and objectives relevant to executive officer compensation and evaluating the performance of executive officers in light of those goals and objectives;

    reviewing and approving executive officer compensation, including salary, bonus and incentive compensation, deferred compensation, perquisites, equity compensation, benefits provided upon retirement, severance or other termination of employment, and any other forms of executive compensation;

    reviewing and approving our chief executive officer's compensation based on its evaluation of the chief executive officer's performance;

    reviewing and approving our peer companies for the purpose of evaluating our compensation competitiveness and mix of compensation elements;

    overseeing and administering our incentive compensation plans and equity-based plans and recommending the adoption of new incentive compensation plans and equity-based plans to our board of directors;

    making recommendations to our board of directors with respect to director compensation;

    reviewing and discussing with management the compensation discussion and analysis required to be included in our filings with the SEC and recommending whether the compensation discussion and analysis should be included in such filings;

    preparing the compensation and HR committee report required by the SEC; and

    making recommendations to our board of directors with respect to management succession planning, including planning with respect to our chief executive officer.

    Compensation Committee Interlocks and Insider Participation

        None of the members of our compensation and HR committee is or has at any time during the past fiscal year been an officer or employee of Ironwood. None of the members of our compensation and HR committee has formerly been an officer of Ironwood. None of our executive officers serve, or in the past fiscal year has served, as a member of the board of directors or compensation committee of any other entity that has one or more executive officers serving as a member of our board of directors or compensation and HR committee. None of the members of our compensation and HR committee had any relationship with us that requires disclosure under any paragraph of Item 404 of Regulation S-K under the Exchange Act.

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BACKGROUND OF THE SOLICITATION

        On February 14, 2018, Sarissa filed a Schedule 13F with the SEC disclosing beneficial ownership of 1,650,000 shares of the company's outstanding Class A common stock by certain Sarissa funds, which was the first time Sarissa had filed a Schedule 13F disclosing its ownership of Ironwood stock.

        On February 20, 2018, Meredith Kaya, the company's vice president of investor relations and communications, sent an email to a representative of Sarissa to inform Sarissa that Ironwood was aware of Sarissa's recent acquisition of Ironwood common stock and welcomed a dialogue with Sarissa, as Ironwood does with many new holders of its common stock. On February 22, 2018, a representative of Sarissa acknowledged Ms. Kaya's email and agreed that Sarissa and Ironwood should open a dialogue soon.

        On March 13, 2018, a representative from Sarissa called Ms. Kaya requesting that Dr. Hecht, the company's chief executive officer, meet with Dr. Alex Denner, the chief investment officer of Sarissa, at or near Sarissa's offices in Greenwich, Connecticut. Dr. Hecht and Ms. Kaya accepted the invitation from Sarissa.

        On March 27, 2018, Dr. Hecht, Ms. Kaya and William Huyett, the company's chief operating officer, met with Dr. Denner and other representatives of Sarissa near Sarissa's offices in Greenwich, Connecticut. At the meeting, Dr. Denner provided some background on himself, Sarissa, his general investment philosophy and his views on the healthcare industry. Regarding Ironwood, Dr. Denner commented that Ironwood has a strong board of directors and said that he believed Dr. Hecht, the management team and the board have done a great job building the company. Dr. Denner stated that he was of the belief that the company had opportunities to improve its stock performance. While he did not request the company take specific courses of action, Dr. Denner suggested that he could help the company improve value creation and asked if Ironwood would be open to Sarissa having board representation as he believed they could be more helpful working from inside of the company. Dr. Hecht responded that Ironwood has a strong board and a vigorous nominating and governance process for evaluating new director nominees and that he would prefer to have any new director candidates be evaluated through that process. Dr. Hecht and Dr. Denner agreed that they should continue to have an open and ongoing discussion about Ironwood and its strategy, as the management team does on a continual basis with its stockholders.

        On March 29, 2018, Dr. Denner called Dr. Hecht and Ms. Kaya and notified them that Sarissa was considering submitting an official notice of its intent to nominate Dr. Denner to the board of directors at the annual meeting. Dr. Hecht reiterated the points he made in the March 27, 2018 meeting, including the rigor of Ironwood's nominating and governance process, the regular refreshment of Ironwood's board and the experience and effectiveness of each Ironwood director. He added that the company has a strong slate of independent directors nominated for election in 2018. Dr. Hecht also reiterated the company's willingness to maintain an open and ongoing dialogue with Sarissa, and offered Dr. Denner the opportunity to share his perspective not only with management but directly to the full Ironwood board of directors. Dr. Denner agreed and stated his intent to come to Cambridge, Massachusetts soon to meet with Ironwood.

        On March 29, 2018, following the call between Dr. Denner, Dr. Hecht and Ms. Kaya, Sarissa delivered a notice of its intent to nominate Dr. Denner to stand for election to the board of directors of the company at the annual meeting and stated that Sarissa would solicit proxies in support of such election. In addition, Sarissa's notice indicated its intent to make a stockholder proposal to repeal any provision of the company's bylaws not included in the bylaws publicly filed as of March 27, 2018.

        On March 29, 2018, after receiving Sarissa's notice of intent to nominate Dr. Denner to stand for election to the board of the company at the annual meeting, Ms. Kaya reached out to a representative of Sarissa suggesting Dr. Hecht and Dr. Denner continue the dialogue. Sarissa representatives

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responded on April 2, 2018 that Dr. Denner would not be available until April 13, 2018. Ms. Kaya scheduled a time for them to speak on April 13, 2018.

        On April 9, 2018, the company issued a press release announcing that it had received Sarissa's notice of intent to nominate Dr. Denner to stand for election to the board of directors of the company at the annual meeting to allow the company to consider the views of its stockholders before making a recommendation in the company's definitive proxy statement. Also on April 9, 2018, a letter was sent to Sarissa requesting additional information regarding Sarissa and Dr. Denner, consistent with the company's director nominee evaluation process.

        On April 10, 2018, members of the board of the company and members of management began speaking with Ironwood stockholders to hear feedback on Sarissa's proposal that Dr. Denner join the company's board. Members of the board of the company and members of management also began seeking perspectives from individuals who have been with companies where Dr. Denner served as a director.

        On April 10, 2018, Sarissa responded to the company's April 9 request with additional information about Dr. Denner and Sarissa, including a questionnaire completed by Dr. Denner.

        On April 13, 2018, Dr. Hecht, Mr. Huyett and Ms. Kaya met with Dr. Denner in Boston to discuss the company's business and strategy, including its in-market products and drug development programs. They also discussed Sarissa's proposed nomination of Dr. Denner to the board of the company.

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PROPOSAL NO. 1—ELECTION OF DIRECTORS

Our board recommends that you vote for each of the
Class II directors up for election.

        Our board has nominated each of our current class II directors—Ms. Schulman and Drs. Olanoff and Williams—for election at the 2018 annual meeting. Each of Ms. Schulman and Drs. Olanoff and Williams has indicated his or her willingness to serve if elected. Should any nominee become unavailable for election at the annual meeting, the persons named on the enclosed WHITE proxy card as proxy holders may vote all proxies given in response to this solicitation for the election of a substitute nominee chosen by our board.

         Sarissa has notified the company of its intention to nominate an individual for election as director at the annual meeting. Our board of directors unanimously recommends that you vote FOR the election of each of the nominees proposed by our board of directors. As previously disclosed, the board's Governance and Nominating Committee has a thorough process for evaluating prospective directors and is carefully reviewing and considering the Sarissa nominee. Subject to the completion of this evaluation and review, our board of directors urges you not to sign or return any proxy card sent to you by Sarissa. Voting to "withhold" with respect to the Sarissa nominee on its proxy card is not the same as voting for our board's nominees, because a vote to "withhold" with respect to the Sarissa nominee on its proxy card will revoke any previous proxy submitted by you. If you have already voted using a proxy card sent to you by Sarissa, you have every right to change it and we urge you to revoke that proxy by voting in favor of our board's nominees by using the enclosed WHITE proxy card. Only the latest validly executed proxy that you timely submit will be counted.

        Annex A sets forth information relating to our directors, including nominees for directors at the annual meeting, and certain of our officers and employees who are considered "participants" in our solicitation under the rules of the SEC by reason of their position as directors of the company, as nominees for directors or because they may be soliciting proxies on our behalf.

        If you have any questions or require any assistance with voting your shares, please contact our proxy solicitor, MacKenzie Partners, toll-free at (800) 322-2885 or at (212) 929-5500 or via email to proxy@mackenziepartners.com.

Vote Required

        The three nominees for director with the highest number of affirmative votes will be elected as directors to serve for three years and until their successors are duly elected and qualified or until their death, resignation or removal. Because there is no minimum vote required, abstentions and broker non-votes, if any, will not affect the outcome of this proposal.

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EXECUTIVE AND DIRECTOR COMPENSATION

Compensation Discussion and Analysis

Executive Summary

        We are a commercial biotechnology company, and we and our named executive officers are committed to our mission of creating and commercializing medicines that make a difference for patients, building value for our fellow stockholders, and empowering our passionate team.

        Our executive officer compensation program is designed to attract and motivate the owner-oriented employees we seek and align their interests with those of our fellow stockholders and to create long-term stockholder value . The three primary elements of our executive officer compensation program are base salary, cash bonus and long term equity incentive compensation. Long term equity incentive compensation represents a significant percentage of each named executive officer's total direct compensation. By linking the ultimate value of their compensation to our stockholders' returns, we believe this emphasis on equity strongly reinforces the concept of "pay for performance."

        Our current named executive officers have modeled this owner-oriented mindset through their own actions. In aggregate, during the five-year period from 2013 through 2017, they either held or exercised and held more than 80% of their total vested stock options. Further, the majority of options exercised by our named executive officers during this period were exercised because the options were expiring.

        In addition, the pay opportunity of our chief executive officer, Dr. Hecht, demonstrates the strong alignment of our compensation program with our stock's performance. Pay opportunity includes base salary, target bonuses and grant-date fair value of stock options awarded in this time frame, while realizable pay includes actual salary received, bonuses paid and in-the-money value of stock options granted during the period. Dr. Hecht has also consistently declined annual cash bonuses and increases in his base salary, including for 2017, and he continues to earn the salary of $100,000 per year that he was first awarded 20 years ago in 1998.

        Our performance in 2017 included the following achievements:

    Irritable Bowel Syndrome with Constipation, or IBS-C, and Chronic Idiopathic Constipation, or CIC

    Grew LINZESS® (linaclotide) U.S. net sales, as reported by Ironwood's U.S. collaboration partner Allergan plc, to $701.2 million for the full year 2017, an increase of 12% compared to the full year 2016.

    Received U.S. FDA approval for a 72 mcg dose of LINZESS for the treatment of CIC in adult patients in February 2017 and introduced the LINZESS 72 mcg dose into the market in March 2017.

    Updated the linaclotide life cycle management strategy in the U.S., which includes (1) identification of a development path with LINZESS intended to obtain abdominal symptom claims including bloating and discomfort, two highly bothersome symptoms associated with IBS-C, through a single Phase III trial, and (2) advancement of linaclotide delayed release as a potential visceral, non-opioid, pain-relieving agent for patients suffering from all forms of IBS.

    Our partner Astellas Pharma Inc. launched LINZESS for adults with IBS-C in Japan, and submitted a Supplemental New Drug Application with the Pharmaceuticals and Medical Devices Agency in Japan for approval for the additional indication of chronic constipation.

    Uncontrolled Gout

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      Received U.S. FDA approval for DUZALLO® (lesinurad and allopurinol) for patients who have not achieved target serum uric acid levels with a medically appropriate dose of allopurinol alone. We began commercializing DUZALLO in October 2017. DUZALLO is the first FDA-approved fixed-dose combination treatment that addresses both causes of hyperuricemia in gout, over-production and under-excretion of serum uric acid, in a single pill.

    Uncontrolled Gastroesophageal Reflux Disease, or uGERD

    Reported positive top-line data from a Phase IIb clinical trial of IW-3718 in adult patients with uGERD, supporting potential advancement into a Phase III program.

    Diabetic Nephropathy and Heart Failure with Preserved Ejection Fraction, or HFpEF

    Advanced our lead sGC stimulator, praliciguat (IW-1973), into Phase II trials for the potential treatment of diabetic nephropathy and of HFpEF.

    Reported top-line data from two Phase IIa trials of praliciguat, demonstrating positive cardiovascular, metabolic and endothelial effects in patients with type 2 diabetes and hypertension.

    Sickle Cell Disease and Achalasia

    Advanced our second clinical sGC stimulator, IW-1701, into Phase II trials for the potential treatment in patients with sickle cell disease and patients with achalasia.

    Financial Highlights

    Recorded Ironwood collaborative arrangements revenue of $298.3 million for the full year 2017, driven primarily by $258.0 million in our share of the net profits from the sales of LINZESS in the U.S., $29.7 million in linaclotide active pharmaceutical ingredient to Astellas in Japan, $3.1 million in ZURAMPIC and DUZALLO product revenue, and $7.5 million in linaclotide royalties, co-promotion and other revenue.

    Demonstrated strong financial performance, meeting all financial guidance set out at the beginning of 2017.

        In determining compensation for our named executive officers, our compensation and HR committee emphasizes the achievement of our corporate goals designed to drive and maximize stockholder value. We made strong progress in 2017. However, we did not achieve all of the aggressive corporate goals that we set in the beginning of the year and, as a result, our company performance achievement multiplier for 2017 was 84% as determined by the compensation and HR committee . Accordingly, payments made to our named executive officers under our annual cash bonus program in 2018 for performance in 2017 were below their target payments.

        We highly value the insights and feedback we obtain from our stockholders. Based on the 2017 recommendation of our stockholders, our board determined to provide our stockholders the opportunity to cast an advisory (non-binding) vote on named executive officer compensation, or a "say-on-pay" vote, every year. We believe this will allow our stockholders to provide us with regular, timely and direct input on executive compensation philosophy, policies and practices in order to further align our compensation programs with our stockholders' interests, and to enhance our ability to take timely stockholder feedback into consideration as part of our compensation review process.

        Therefore, this year our stockholders have an opportunity to vote on say-on-pay. The last time we sought stockholder input with the say-on-pay vote was at our 2017 annual meeting of stockholders, and over 98% of votes cast by our stockholders voted in support of our named executive officer compensation .

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        In addition to the formal say-on-pay vote, our senior management frequently meets with stockholders informally through regular investor relations channels to discuss topics important to our business, including Ironwood's corporate strategy, capital allocation, governance and executive compensation. In 2017, senior management met with nearly all of Ironwood's top 25 stockholders, representing more than 70% of our outstanding shares. We believe that these discussions are essential to understanding the topics that are most important to our stockholders, and our learnings play a critical role in developing and executing our strategy.

Named Executive Officers

        This section discusses the principles underlying our policies and decisions with respect to the compensation of our executive officers who are named in the Summary Compensation Table , or our "named executive officers". Provided below are all material factors we believe are relevant to an analysis of these policies and decisions. Our named executive officers are:

    Peter M. Hecht, Ph.D., chief executive officer;

    Gina Consylman, chief financial officer and senior vice president;

    Mark G. Currie, Ph.D., senior vice president, chief scientific officer, and president of research and development;

    Halley E. Gilbert, senior vice president, chief legal officer, and secretary;

    Thomas A. McCourt, senior vice president, marketing and sales, and chief commercial officer; and

    Tom Graney, former chief financial officer and senior vice president, finance and corporate strategy.

SEC rules require that we discuss the compensation of all individuals serving in the role of chief financial officer during 2017. As a result, Ms. Consylman, who became chief financial officer effective November 27, 2017, and Mr. Graney, who served as our chief financial officer until September 13, 2017, are discussed in such capacity. Ms. Consylman was previously our interim chief financial officer from September 13, 2017 through November 26, 2017. The only compensation paid to Mr. Graney in connection with his departure was for unused but accrued vacation time.

Compensation Philosophy

        The objective of our compensation policies is to provide compensation and incentives that align employee actions and motivations with the interests of our stockholders; attract, motivate and reward outstanding talent across Ironwood through well-communicated programs that are aligned with our core values and business mission; and support a positive company culture.

        Our core values are:

    Ownership:   drive outstanding long-term value.

    Collaboration:   achieve more together.

    Innovation:   make a difference for patients.

    Excellence:   foster greatness in each other.

    Humanity:   act with honesty, integrity and respect.

    Have fun.   

        In addition, we have incorporated the concept of "critical success factors" into our performance management and compensation philosophy that we believe provide a useful framework for being a

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productive and successful member of our team. Among other uses, these success factors enable managers to use a common language of expected behaviors upon which individual performance can be managed and evaluated.

        We are guided by the following principles with respect to our compensation determinations:

    design compensation and incentive programs that align employee actions and motivations with the interests of our stockholders, support our business objectives and hold employees accountable for the achievement of key goals and milestones;

    foster and support our performance-driven culture by setting clear, high-value, aggressive goals, rewarding outstanding performers to the extent these goals are achieved, and making sure our best performers know clearly that we value their contributions;

    as with all spending, serve as careful stewards of our stockholders' assets when making compensation decisions;

    maximize our employees' sense of ownership so that they have a long-term owner's perspective, can see the impact of their efforts on our success, and can share in the benefits of that success through the opportunity to become stockholders of Ironwood via stock options, restricted stock units (RSUs) and other equity awards;

    recognize that compensation is one of a number of tools to stimulate and reward productivity, great drug making, and successful commercialization, together with recognizing individual growth potential, providing a great workplace culture, and sharing in our success;

    foster a strong team culture, focused on our principles of great drug making and commercializing those drugs that we discover or in-license and develop, which is reinforced through our compensation and incentive programs;

    design compensation and incentive programs that are fair, equitable and competitive; and

    design compensation and incentive programs that are simple and understandable.

        Highlighted procedures and tools that we use to ensure effective governance of compensation plans and decisions include:

    our compensation and HR committee has the authority to hire independent counsel and other advisors;

    our compensation and HR committee conducts a regular review and assessment of risk as it relates to our compensation policies and practices;

    as part of our insider trading prevention policy, our executive officers and directors are prohibited from engaging in any hedging or monetization transactions of our common stock, including through the use of financial instruments such as prepaid variable forwards, equity swaps, collars and exchange funds;

    we have no perquisites other than broad-based health and welfare benefits, transportation and fitness stipends, a 401(k) plan and a relocation program that we make available to all of our employees; under our relocation program, participants are required to pay back the full amount of all relocation benefits in connection with their departure from Ironwood in certain circumstances;

    our Amended and Restated 2010 Employee, Director and Consultant Equity Incentive Plan, or our 2010 Plan, prohibits options' repricing (absent stockholder approval) and options' backdating;

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    our executive severance arrangements and our change of control severance benefit plan, which applies to all of our employees including our executive officers, do not provide for tax gross-ups;

    our change of control severance benefit plan contains double-trigger requirements for equity acceleration and other benefits in the event of a change of control;

    eight of our nine directors are independent, including all members of our compensation and HR committee, and, subject to certain limited exceptions, no director may transfer any shares of restricted stock while such person is a director of Ironwood; and

    if we are required to restate our financial results due to our material noncompliance with any financial reporting requirements under the federal securities laws as a result of misconduct, our chief executive officer and chief financial officer may be legally required to reimburse us for any bonus or other incentive-based or equity-based compensation they receive in accordance with the provisions of section 304 of the Sarbanes-Oxley Act of 2002. Additionally, we intend to implement a Dodd-Frank Wall Street Reform and Consumer Protection Act-compliant clawback policy after the SEC issues final rules regarding such requirements.

Basis for Our Compensation Policies and Decisions

    Summary

        Our compensation policies and individual compensation determinations are evaluated annually, and we take into consideration our results of operations, our long- and short-term goals, individual goals, market data, the competitive market for our executive officers and general economic factors. As set forth in our compensation and HR committee's written charter, our compensation and HR committee has the responsibility of reviewing and approving the compensation of our executive officers; annually reviewing and determining our chief executive officer's compensation based on the committee's evaluation of his performance; recommending to the full board the adoption of new compensation plans; administering our existing plans; recommending director and committee compensation to the full board; and overseeing succession planning for our senior management. In addition, our compensation and HR committee is responsible for ensuring that our compensation policies are aligned with our compensation philosophy and guiding principles.

        Our compensation and HR committee makes all of the compensation determinations with respect to each of our executive officers. In making its determinations with respect to Dr. Hecht, our compensation and HR committee takes into account the feedback from the other members of our board, as well as the feedback from each of our other executive officers, and a number of other members of our management team. In making its determinations with respect to each of our executive officers other than Dr. Hecht, our compensation and HR committee takes into account the feedback and recommendations from Dr. Hecht, the executive officer's direct reports and other members of our management team.

        The components of each of our executive officer's initial compensation package was based on numerous factors, including:

    the individual's particular background and circumstances, including prior relevant work experience and compensation paid prior to joining us;

    the individual's role with us and the compensation paid to similar persons in the companies represented in the compensation data that we reviewed;

    the demand for people with the individual's specific expertise and experience at the time of hire;

    performance goals and other expectations for the position;

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    comparison to other executive officers within Ironwood having similar levels of expertise and experience; and

    uniqueness of industry skills.

        Our compensation and HR committee has the authority to select and retain independent advisors and consultants to assist it with carrying out its responsibilities, and we are required to pay any related expenses approved by the committee. For 2017, our compensation and HR committee exercised its authority to engage Pearl Meyer & Partners, LLC, or PM, as a compensation consultant. PM reported directly to our compensation and HR committee and did not provide us with any services other than those requested by our compensation and HR committee and the review of this Compensation Discussion and Analysis for conformance with best practices. Based on the scope of our compensation and HR committee's engagements with PM, it was determined that PM does not have a conflict of interest in its role as compensation consultant under applicable rules.

        In order to assist us in setting 2017 compensation, PM conducted a competitive assessment of 2016 compensation for our executive officers, which reflected that Dr. Hecht's target total cash compensation was well below market median, and while his equity-based compensation bridged some of the gap, his target total direct compensation was below the market median. The assessment also reflected that target total direct compensation for our other executive officers was also below the market median in aggregate. PM's assessment analyzed:

    base salary;

    target total cash compensation (which is base salary plus the target bonus);

    long-term equity incentives (which are valued based on grant date fair value); and

    target total direct compensation (which is target total cash compensation plus the value of the most recent long-term incentive grant).

        The table below reflects our 2016 target compensation in comparison to the competitive assessment data.

 
  2016 Target Compensation vs.
Composite Competitive Market
Positioning (pay as percent of
median)
 
 
  Chief Executive
Officer
  Average for Other
Executive Officers
 

Base Salary

    13 %   103 %

Target Total Cash Compensation

    11 %   103 %

Equity

    100 %   75 %

Target Total Direct Compensation

    80 %   82 %

        In performing this competitive assessment, PM used two data sources—our peer group and data from the Radford Global Life Sciences Survey employing the appropriate industry, headcount and executive role perspectives. Our peer group is comprised of publicly traded companies in the pharmaceutical, biotechnology and life sciences industries that represent competitors for executive talent and capital. In recognition that our peer group companies tend to be larger than us (including with respect to revenues), while the Radford Global Life Sciences Survey includes companies that represent a broader market perspective and may not share our growth prospects, PM combined peer group data and broad industry data for companies our size weighing each source equally, to enable a composite competitive assessment of executive compensation. Our compensation and HR committee reviewed the 25th, 50th and 75th percentiles for these market composite pay positions to better understand how competitive pay varied with company size and other factors. PM also prepared an analysis of incentive program market trends, including analyses of the short- and long-term elements of

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compensation as compared to those in our peer group, and a detailed equity usage and dilution analysis of Ironwood as compared with the companies in our peer group.

        Our compensation and HR committee considered the results of PM's competitive assessment in evaluating compensation for 2017, and determined that no significant changes to the design of our executive officers' compensation were warranted. The results of PM's assessment have been, and will continue to be, taken into consideration when making compensation decisions, but will not be used to mandate any specific actions.

        Our peer group, which was compiled by PM with input from our management team, our board, and our compensation and HR committee, is reviewed annually by our compensation and HR committee for composition and appropriateness. We take a rules-based approach in reviewing and setting our peer group and apply a qualitative lens to the result to help focus the group on the companies with which we are competing for talent. We first identify a potential pool of peer companies from a number of sources, including the companies listing Ironwood in their peer groups and the other companies listed in such peer companies' peer groups, as well as companies included in third-party peer group assessments. We then apply certain size filters including revenue, number of employees and research and development expense, as well as certain business model filters including product focus, market capitalization and growth.

        As a result of the 2017 peer group assessment, our compensation and HR committee, with input from our management team and PM, removed Medivation, Inc. because it was acquired and was no longer a standalone public company, in addition to Arena Pharmaceuticals, Inc. and Merrimack Pharmaceuticals, Inc. because they were determined to be different in size or business model from Ironwood. Our compensation and HR committee added Agios Pharmaceuticals, Inc., Intercept Pharmaceuticals, Inc. and Tesaro, Inc., each of which met all or most of the business model and size filters at the time of our review. As a result, our peer group is composed of the following 15 companies, which at the time of our review had a median market capitalization of approximately $3.3 billion, a median of approximately 545 employees, and a commercial drug or drug candidate in later stage development:

Acorda Therapeutics, Inc.   Incyte Corporation
Agios Pharmaceuticals, Inc.   Intercept Pharmaceuticals, Inc.
Alkermes plc   Momenta Pharmaceuticals, Inc.
Alnylam Pharmaceuticals, Inc.   Nektar Therapeutics
AMAG Pharmaceuticals, Inc.   Seattle Genetics, Inc.
Depomed, Inc.   Tesaro, Inc.
Horizon Pharma plc   United Therapeutics Corporation
    Vertex Pharmaceuticals Incorporated

Process for Determining Individual Compensation and Role of Executive Officers

        Each January, our compensation and HR committee, in conjunction with our senior management, finalizes its assessment of our corporate performance for the prior year. Upon completion of our goal assessment, our bonus and equity pools are calibrated for corporate performance and approved by our compensation and HR committee. Our compensation and HR committee assigns a portion of each of these pools to all of our employees other than our executive officers, and delegates the allocation of these portions to our chief executive officer and our chief financial officer. Our compensation and HR committee also approves any salary increase, cash bonus and equity awards for our chief executive officer and, in consultation with our chief executive officer, for each of our other executive officers. In making these compensation-related decisions for 2017, our compensation and HR committee and senior management considered the competitive assessment prepared by PM and described in more detail above, as well as the other factors described in this Compensation Discussion and Analysis .

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        Additionally, our compensation and HR committee may decide, as appropriate, to modify the mix or amount of base salary, bonus, and long-term incentives to best fit an executive officer's specific circumstances or, if required by competitive market conditions, to attract and motivate skilled personnel. For example, our compensation and HR committee may decide to grant additional equity awards to an executive officer if that officer receives a base salary or cash bonus award significantly below that of his or her counterparts in our peer group or other market data reviewed by our compensation and HR committee, despite successful attainment of our corporate or his or her individual goals. We believe that this discretion and flexibility allows our compensation and HR committee to better achieve our compensation objectives.

Corporate and Individual Goals for 2017

        For 2017, allocations of cash and equity awards were, in large part, dependent upon us meeting certain weighted corporate performance goals. We work thoughtfully with our compensation and HR committee and other members of our board of directors to establish what we believe are challenging corporate goals. In early 2017, our compensation and HR committee approved the following corporate performance goals for 2017:

    maximizing the impact of our products, including successfully driving appropriate growth of our IBS/CIC franchise and our gout franchise in the United States according to certain financial and commercial performance metrics, obtaining approval of a new dose of LINZESS, and obtaining approval of and launching DUZALLO;

    accessing value-creating assets;

    advancing our mid- and late-stage pipeline programs by achieving clinical and other milestones;

    meeting certain financial goals; and

    leveraging our talent, team and culture by further embedding quality into our culture, evolving our dynamic culture as a source of competitive advantage, improving capabilities, and enhancing value through communications.

        In addition to the foregoing corporate performance goals, our compensation and HR committee also approved certain challenging stretch goals directly related to our corporate goals, and which were intended to inspire innovation, creativity and strong performance. Dr. Hecht's performance evaluation was based primarily on the achievement of our corporate goals. Our other executive officers were evaluated on the achievement of corporate goals and additional individual goals which contribute toward, and relate directly to, the accomplishment of our corporate goals.

        Our performance against 2017 corporate goals was used to determine compensation awards and adjustments in early 2018. In January 2018, our compensation and HR committee determined that we

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achieved 84% of our 2017 corporate goals. These goals and our actual level of achievement of these goals in 2017, are as follows:

Corporate Goal
  Target
Percentage (%)
  Actual Level of
Achievement (%)
 

Maximize the impact of our products: successfully drive appropriate growth of our IBS/CIC franchise and our gout franchise in the United States according to certain financial and commercial performance metrics, obtain approval of a new dose of LINZESS, and obtain approval of and launch DUZALLO

    35 %   26 %

Access value-creating assets

   
5

%
 
5

%

Advance our mid- and late-stage pipeline programs by achieving clinical and other milestones

   
30

%
 
28

%

Meet certain financial goals

   
15

%
 
11

%

Leverage our talent, team and culture

   
15

%
 
14

%

Totals

    100 %   84 %

        In addition to the 2017 corporate goals identified above, for which each of our named executive officers was directly accountable, the following is a summary of the 2017 individual goals for our named executive officers set in early 2017, other than Dr. Hecht, who is compensated primarily on the basis of the achievement of our corporate goals.

Name
  Summary of Individual Goals
Gina Consylman  

Serve as an enterprise leader and strategic partner to the chief executive officer in all parts of our business

   

Lead and guide the company on all financial decisions, including managing a strong balance sheet to enable the company to meet its objectives and be positioned to achieve its long-term goals

   

Drive value creation in the evaluation and, when appropriate, pursuit of business development opportunities for the organization through effective cross-functional collaboration and strategic guidance

   

Represent Ironwood within the investment community

   

Ensure company compliance with financial regulations and standards, including those related to The Sarbanes-Oxley Act of 2002, as well as SEC reportingEvolve our culture of ownership, collaboration and innovation to drive incremental value for the company

   

Create integrated workforce, talent and capability plans that position us to execute our goals and longer-term strategy

Mark G. Currie, Ph.D.

 

Serve as an enterprise leader and strategic partner to the chief executive officer in all parts of our business

   

Serve as strategic leader on all research and development decisions and manage investments and expenses to enable the company to meet its objectives and be positioned to achieve its long-term goals

   

Advance our products and product candidates and further our discovery efforts through pipeline investments in the key value drivers of our business, including with respect to our mid to late stage pipeline

   

Enhance the clinical profile of LINZESS and drive linaclotide development programs to advance in additional indications, populations and formulations

   

Leverage internal research and development capability to support the advancement of our uncontrolled gout program

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Name
  Summary of Individual Goals
   

Drive value creation in the evaluation and, when appropriate, pursuit of business development opportunities for the organization through effective cross functional collaboration and strategic guidance

   

Evolve our culture of ownership, collaboration and innovation to drive incremental value for the company

   

Create integrated workforce, talent and capability plans that position us to execute our goals and longer-term strategy

Halley E. Gilbert

 

Serve as an enterprise leader and strategic partner to the chief executive officer in all parts of our business

   

Lead and guide the company on all legal decisions and appropriately manage investments and expenses to enable the company to meet its objectives and be positioned to achieve its long-term goals

   

Provide the highest quality advice on all legal, intellectual property and compliance matters, serving the company's priority business objectives while ensuring financial management and discipline and managing and mitigating risk

   

Ensure legal preparedness for the in-license of ZURAMPIC and for the advancement of the gout franchise

   

Drive value creation in the evaluation and, when appropriate, pursuit of business development opportunities for the organization through effective cross functional collaboration and strategic guidance

   

Evolve our culture of ownership, collaboration and innovation to drive incremental value for the company

   

Create integrated workforce, talent and capability plans that position us to execute our goals and longer-term strategy

Thomas A. McCourt

 

Serve as an enterprise leader and strategic partner to the chief executive officer in all parts of our business

   

Serve as strategic leader on all commercial decisions and appropriately manage investments and expenses to enable the company to meet its objectives and be positioned to achieve its long-term goals

   

Build brand awareness and appropriate growth, while enhancing the global brand for linaclotide through close collaboration with partners and other members of senior management

   

Drive demand for LINZESS and build Gout franchise through sales of ZURAMPIC and DUZALLO

   

Lead the commercial field sales force in successfully commercializing our products, while maintaining a culture of compliant, patient centered care

   

Drive value creation in the evaluation and, when appropriate, pursuit of business development opportunities for the organization through effective cross functional collaboration and strategic guidance

   

Evolve our culture of ownership, collaboration and innovation to drive incremental value for the company

   

Create integrated workforce, talent and capability plans that position us to execute our goals and longer-term strategy

Tom Graney

 

Serve as an enterprise leader and strategic partner to the chief executive officer in all parts of our business

   

Lead and guide the company on all financial decisions, including managing a strong balance sheet to enable the company to meet its objectives and be positioned to achieve its long term goals

   

Lead corporate strategy and business development functions to drive Ironwood's growth and long term success

   

Drive value creation in the evaluation and, when appropriate, pursuit of business development opportunities for the organization through effective cross functional collaboration and strategic guidance

   

Guide the company on strategic portfolio investment decisions focused on delivering value

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Name
  Summary of Individual Goals
   

Drive long-range planning based on the corporate strategy, portfolio opportunities and risks, financing needs, valuation models and organizational capabilities

   

Evolve our culture of ownership, collaboration and innovation to drive incremental value for the company

   

Create integrated workforce, talent and capability plans that position us to execute our goals and longer-term strategy

        In early 2018, Dr. Hecht evaluated each named executive officer's individual performance and provided feedback and made recommendations to our compensation and HR committee, which approved the named executive officers' compensation, taking into account Ironwood's level of achievement of its corporate goals as well as the fact that each named executive officer met or exceeded all or substantially all of his or her respective individual goals for 2017.

Compensation Actions in 2017 and 2018

    Summary

        The following table summarizes the compensation actions taken by our compensation and HR committee for each of our named executive officers in recognition of the company's and his or her performance in 2017 and to motivate him or her toward achievement of our goals in 2018.

Name   Peter M. Hecht, Ph.D.   Gina Consylman   Mark G. Currie, Ph.D.   Halley E. Gilbert   Thomas A. McCourt   Tom Graney  
Title







  Chief Executive
Officer






  Chief
Financial
Officer,
and Senior
Vice President



  Senior
Vice President,
Chief Scientific
Officer,
and President of R&D



  Senior
Vice President,
Chief Legal
Officer,
and Secretary



  Senior
Vice President,
Marketing and
Sales, and Chief
Commercial Officer



  Former Chief
Financial
Officer
and Senior
Vice President,
Finance and
Corporate
Strategy(1)

 
                           

Base salary increase

    (2) $ (3) $ 15,000   $ 20,000   $ 15,000      

2017 base salary

  $ 100,000   $ 415,000   $ 470,000   $ 440,000   $ 450,000   $ 445,000  

2018 base salary

  $ 100,000   $ 415,000   $ 485,000   $ 460,000   $ 465,000      

Cash bonus(4)

    (2) $ 185,000   $ 210,000   $ 195,000   $ 191,000      

Annual restricted stock units awarded(5)

        30,000 (6)       35,000     21,875      

Annual stock options awarded(7)

    390,000     60,000 (6)   215,000     70,000     131,250      

Stock options awarded in lieu of base salary increase and cash bonus(7)

    190,000 (8)                    

(1)
Mr. Graney departed from Ironwood in September 2017.

(2)
Our compensation and HR committee recommended a salary increase and a cash bonus for Dr. Hecht, but he declined to accept either.

(3)
Ms. Consylman's base salary, reviewed and approved by the compensation and HR committee in November 2017 in connection with her promotion to chief financial officer, remained $415,000 for 2018 due to the substantial completion of calendar year 2017 at the time of her promotion. Ms. Consylman's salary as Vice President of Finance and Chief Accounting Officer prior to her promotion in 2017 was $325,700.

(4)
Consists of payments made under our annual cash bonus program in 2018 for performance in 2017.

(5)
These RSUs for shares of our Class A common stock were awarded on February 21, 2018 under our 2010 Plan and vest over four years as to 25% of the award on each approximate anniversary of the grant thereof.

(6)
The equity grant Ms. Consylman received in 2018 connection with her 2017 promotion is excluded from the table above, as it was not part of our annual compensation process, and is discussed elsewhere in this proxy statement.

(7)
These stock options for shares of our Class A common stock were granted under our 2010 Plan and have an exercise price of $14.55 per share (the closing price of our Class A common stock on the NASDAQ Global Select Market on the grant date of February 21, 2018). Such stock options vest over four years as to 1/48th of the award on each monthly anniversary of January 1, 2018.

(8)
Our compensation and HR committee consulted with PM to understand competitive market trends for chief executive officer total direct compensation and elected to grant Dr. Hecht an additional annual stock option award, which is discussed further below, in order to keep his overall compensation competitive with that of our peers while accounting for his declination of a salary increase or a cash bonus.

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    Chief Executive Officer

        Dr. Hecht's salary of $100,000 represents the salary that he has been receiving since he began serving as chief executive officer in 1998, and his compensation is reviewed and approved annually by our compensation and HR committee. In January 2018, our compensation and HR committee recommended an increase to Dr. Hecht's base salary to be market competitive with his peers, as well as a bonus based on our achievement of 84% of our corporate goals, but Dr. Hecht declined to accept either. Since co-founding Ironwood in 1998, Dr. Hecht has declined both cash bonuses and increases to base salary each year. Dr. Hecht has further indicated to our compensation and HR committee that he would not expect or desire his cash compensation to increase in the future.

        We recognize that Dr. Hecht's cash compensation is well below his market peers, but believe that the emphasis on stock ownership significantly aligns his interests with those of our fellow stockholders' and the creation of long-term stockholder value. In lieu of cash bonuses or salary increases, our compensation and HR committee has granted Dr. Hecht stock options to keep his overall compensation competitive with that of our peers. In January 2017, Dr. Hecht was granted an annual stock option award of 530,000 shares based primarily on 123% achievement of our 2016 corporate goals, and an additional stock option award of 230,000 shares in lieu of a cash bonus or salary increase. In February 2018, Dr. Hecht was granted an annual stock option award of 390,000 shares based primarily on the achievement of 84% of our 2017 corporate goals, as well as an additional stock option award of 190,000 shares in lieu of a cash bonus or salary increase. We expect that Dr. Hecht's total compensation mix will continue to be focused more heavily on equity than our other executive officers.

        We believe that time-based stock options are inherently performance-based, as they provide value to the recipient only if there is future stock price appreciation and do not provide any value if the stock price declines below the exercise price. This results in a close alignment of chief executive officer compensation with the value of our long-term stockholders' investment in Ironwood. Dr. Hecht has long been a substantial stockholder in the company, currently beneficially owning nearly 5% of our total outstanding stock as of March 31, 2018 (as calculated in the beneficial ownership table beginning on page 6). In addition, in the five-year period from 2013 through 2017, Dr. Hecht either held or exercised and held approximately 90% of his total vested stock options, demonstrating his commitment to Ironwood and his alignment with our stockholders. Further, nearly all stock options exercised by Dr. Hecht during this period were exercised because they were expiring and the vast majority of stock options exercised and sold during this period were to cover the tax liabilities arising out of the exercises of such stock options as well as prior exercises in which Dr. Hecht paid the exercise price and held the underlying shares at the time of exercise.

    Five-year Pay Opportunity vs. Five-year Realizable Pay

        In the past five years, applying a Black-Scholes valuation methodology of the stock option grants issued to Dr. Hecht, because of our stock price performance, Dr. Hecht's realizable pay has significantly trailed his disclosed pay opportunities as shown in the chart below. Dr. Hecht's realizable

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pay is approximately 30% of the pay opportunity provided from 2013 through 2017, significantly driven by the value of the stock options granted to him during this period.

GRAPHIC

    Pay opportunity is defined as planned base salary, target bonuses and grant-date fair value of stock options granted from 2013 through 2017.

    Realizable pay is defined as actual salary received, bonuses paid and in-the-money value of stock options granted from 2013 through 2017 calculated by determining the difference between the December 29, 2017 closing price of our Class A common stock on the NASDAQ Global Select Market and the exercise price of each stock option.

Three-year Realizable Pay vs. Three-year Total Shareholder Return

        Further, Dr. Hecht's total realizable pay from 2015 through 2017 shows a strong connection to our total shareholder return, or TSR, relative to our peer group, as shown in the graph below. Data points that are within the shaded area designate peer group companies that exhibit pay-for-performance alignment (meaning less than 25 percentage point difference between CEO realizable pay percentile and company TSR percentile).

GRAPHIC

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    Realizable pay percentile rank was determined using Dr. Hecht's realizable pay for 2015 through 2017 and comparing it to realizable pay for the CEOs of our peer group companies for 2014 through 2016, which is the most recent period for which data was available as of December 31, 2017, in each case as reported by the applicable company in its proxy statement.

    TSR percentile rank was determined using the actual TSR for Ironwood from 2015 through 2017 and for each of the companies in our peer group for the period from 2014 through 2016, which is the most recent period for which data was available as of December 31, 2017.

        This analysis shows appropriate alignment of Dr. Hecht's compensation with our TSR for 2015 through 2017. We believe this is a complete depiction of pay and performance alignment for the following reasons:

    The analysis is based on the peer group set by the compensation and HR committee and described above;

    It takes into account stock price movement after the grant date (as opposed to grant date fair value reported in the Summary Compensation Table);

    For performance-based equity, the number of shares or units actually vesting is used for time periods where the performance period has been completed; and

    It excludes Other Compensation reported in the Summary Compensation Table which includes items that are not part of total direct compensation. For Ironwood, All Other Compensation is typically a small portion ( i.e. , 2-3% for) of Summary Compensation Table pay for Dr. Hecht for the entire year. However, at our peer group companies, items related to executive turnover such as severance payments, vacation payouts to former executives and relocation payments are reported as All Other Compensation, which can be significant and can skew pay levels.

    Other Named Executive Officers

    Base Salary

        In January 2017, our compensation and HR committee reviewed and approved the following base salaries for 2017 for our named executive officers other than Dr. Hecht: Dr. Currie received a $16,000 increase in base salary from $454,000 to $470,000, Ms. Gilbert received a $17,000 increase in base salary from $423,000 to $440,000, Mr. McCourt received a $15,000 increase in base salary from $435,000 to $450,000, and Mr. Graney received a $10,000 increase in base salary from $435,000 to $445,000. The increase in base salary for each of Dr. Currie, Ms. Gilbert, Mr. McCourt and Mr. Graney was in recognition of their meeting or exceeding all or substantially all of their respective individual performance goals in 2016, and took into account peer group and other market data from the PM competitive assessment discussed above. Ms. Consylman became chief financial officer of the company in November 2017, at which time, our compensation and HR committee reviewed and approved a base salary of $415,000 for Ms. Consylman, a $89,300 increase in base salary from $325,700, her salary as Vice President of Finance and Chief Accounting Officer prior to her promotion. In setting Ms. Consylman's base salary, our compensation and HR committee considered a number of factors, including Ms. Consylman's background, the compensation paid to chief financial officers at our peer group companies and other benchmark data, and executive compensation parity within Ironwood, as well as input from PM.

        In January 2018, our compensation and HR committee reviewed and approved the following base salaries for 2018 for our named executive officers other than Dr. Hecht: Dr. Currie received a $15,000 increase in base salary from $470,000 to $485,000, Ms. Gilbert received a $20,000 increase in base salary from $440,000 to $460,000; and Mr. McCourt received a $15,000 increase from $450,000 to $465,000. Ms. Consylman's base salary, reviewed and approved by the compensation and HR committee

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in November 2017, remained $415,000 for 2018 due to the substantial completion of calendar year 2017 at the time of her promotion.

    Bonus

        In January 2018, our compensation and HR committee reviewed and approved the following bonuses for 2017 performance for our named executive officers other than Dr. Hecht: Ms. Consylman—$185,000, Dr. Currie—$210,000, Ms. Gilbert—$195,000 and Mr. McCourt—$191,000. Seventy percent of such bonus amounts for Ms. Consylman, Dr. Currie, Ms. Gilbert and Mr. McCourt was tied solely to the achievement of 84% of our corporate goals (as described above), and 30% of such amounts was tied to corporate and individual goal achievement. Each of Ms. Consylman, Dr. Currie, Ms. Gilbert and Mr. McCourt met or exceeded all or substantially all of their respective individual goals for 2017. Mr. Graney did not receive a bonus for 2017 performance because he departed from Ironwood in September 2017.

    Annual Equity Awards

        Our compensation and HR committee has set the equity pool each year based on achievement of our corporate goals. Individual equity award amounts are then determined based on peer group and market data, and our compensation and HR committee has adjusted these amounts after considering relative company performance and, in the case of our executive officers other than Dr. Hecht, individual performance.

        Our compensation and HR committee determined that we achieved 123% of our 2016 corporate goals. Ms. Consylman, Dr. Currie, Ms. Gilbert, Mr. McCourt and Mr. Graney met or exceeded all or substantially all of their respective individual goals in 2016. Accordingly, in January 2017, each of our named executive officers other than Dr. Hecht was awarded the following stock option and RSU awards for Class A common stock based on performance during 2016:

Executive Officer*
  2017 Annual Stock Option
Grant for 2016
Performance
(# of Shares of Class A
Common Stock
Subject to Stock
Options)
  2017 Annual RSU
Grant for 2016
Performance
(# of Shares of Class A
Common Stock
Subject to RSUs)
 

Gina Consylman

        26,250 *

Mark G. Currie, Ph.D. 

    250,000      

Halley E. Gilbert

    80,000     40,000  

Thomas A. McCourt

    157,500     26,250  

Tom Graney

    127,500     21,250  

*
Ms. Consylman became chief financial officer of the company in November 2017, and her annual equity award in 2017 for 2016 performance reflected her prior role as Vice President of Finance and Chief Accounting Officer.

        These stock options and RSUs were granted on February 27, 2017 under our 2010 Plan. The stock options have an exercise price of $16.77 per share (the closing price of our Class A common stock on the NASDAQ Global Select Market on the grant date).

        Our compensation and HR committee determined that we achieved 84% of our 2017 corporate goals. Ms. Consylman, Dr. Currie, Ms. Gilbert and Mr. McCourt met or exceeded all or substantially all of their respective individual goals in 2017. Accordingly, in February 2018, each of our named

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executive officers other than Dr. Hecht was awarded the following stock option and RSU awards for Class A common stock based on performance during 2017:

Executive Officer*
  2018 Annual Stock Option
Grant for 2017
Performance
(# of Shares of Class A
Common Stock
Subject to Stock
Options)
  2018 Annual RSU
Grant for 2017
Performance
(# of Shares of Class A
Common Stock
Subject to RSUs)
 

Gina Consylman

    60,000     30,000  

Mark G. Currie, Ph.D. 

    215,000      

Halley E. Gilbert

    70,000     35,000  

Thomas A. McCourt

    131,250     21,875  

*
Mr. Graney did not receive an annual equity award in 2018 because he departed from Ironwood in September 2017.

        These stock options and RSUs were granted on February 21, 2018 under our 2010 Plan. The stock options have an exercise price of $14.55 per share (the closing price of our Class A common stock on the NASDAQ Global Select Market on the grant date).

        In addition, in connection with Ms. Consylman's promotion to chief financial officer in November 2017, Ms. Consylman received an additional grant of 15,000 stock options and 7,500 RSUs, each for shares of our Class A common stock under our 2010 Plan, on January 2, 2018. Subject to Ms. Consylman's continued employment with the company, (i) such stock options will vest over four years as to 1/48th of the total shares on each monthly anniversary of Ms. Consylman's promotion, and (ii) such RSUs will vest as to 25% of the shares on each approximate anniversary of the grant.

    Other Compensation

        We maintain broad-based benefits, such as health and welfare benefits, transportation and fitness stipends and a 401(k) plan with a 75% matching company contribution on the first $8,000 of an employee's annual contribution, that are provided to all employees. We also maintain a relocation program under which we make certain benefits available to newly hired and existing employees, including executive officers, who are relocating to accept a new position with Ironwood. Under our relocation program, participants are required to pay back the full amount of all relocation benefits in connection with their departure from Ironwood in certain circumstances.

Elements of Executive Compensation and Determination of Amounts

    Base Salary

        Base salaries serve to provide our executive officers with a stable source of income. They are determined at commencement of employment and are generally re-evaluated annually and adjusted, if warranted, to realign salaries with market levels and to reflect the performance of the executive officer. In determining whether to adjust an executive officer's base salary, our compensation and HR committee takes into consideration factors such as our performance in prior years, general economic factors and compensation parity among our executive officers, as well as the abilities, performance and experience of our executive officers. Our compensation and HR committee also reviews our executive officers' past compensation at Ironwood and market data.

    Annual Bonus

        Our cash bonus program is designed to reward the achievement of our annual corporate goals and, in the case of our executive officers other than Dr. Hecht, individual goals. The program is also

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intended to foster and support our performance-driven culture by setting clear, high-value goals, rewarding outstanding performers, and making sure our employees know clearly that we value their contributions. Each cash bonus award is made annually, and is based on whether and to what extent we achieved our corporate goals for the preceding year as well as the employee's individual performance in that year against his or her individual goals. In 2017, and consistent with 2016, each of our executive officers had an individual bonus target of 50% of his or her base salary. We believe that these target bonus percentages align the compensation of our executive officers with that of our peers, place appropriate emphasis on achievement of our annual performance objectives and facilitate both recruiting and motivating our executive officers.

        Additionally, for each of our executive officers other than Dr. Hecht, 70% of each cash bonus award paid in 2018 for 2017 performance was based solely on the achievement of our corporate goals and 30% was based on the achievement of our corporate goals and our executive officers' individual goals. Therefore, to calculate the bonus amount payable, the bonus target was multiplied by the company performance achievement multiplier, and 30% of that figure was further modified by multiplying such amount by the executive officers' individual performance achievement multiplier. This approach was intended to closely align cash bonus awards to the achievement of our corporate goals, while taking into account individual performance and providing structure and clarity to the calculation of our executive bonuses. As in 2016, in 2017 the company performance achievement multiplier was between 0% and 150% and the individual performance achievement multiplier was between 0% and 200%. The following summarizes the calculation of our executive officers' cash bonus awards paid in 2018 for 2017 performance, other than Dr. Hecht:

        50% Bonus Target        
        ×        
50% Bonus Target
×
      Company Performance
Achievement Multiplier
       
Company Performance   +   ×   =   Actual Bonus Payout
Achievement Multiplier
×
      Individual Performance
Achievement Multiplier
       
70% Weighting       ×        
        30% Weighting        

    Equity-Based Compensation

        We use equity awards as our incentive vehicle for long-term compensation to attract, reward and motivate our executive officers in a manner that best aligns their interests with our stockholders' interests. We believe that equity awards are an effective tool for meeting our compensation goal of increasing long-term stockholder value by tying the value of this compensation to our future performance. By linking the ultimate value of the award to the performance of our stock price, we believe equity awards strongly reinforce the concept of "pay for performance." Our equity awards, in the form of stock options and RSUs, generally have either long-term vesting schedules, typically over four years, or vest upon the achievement of major value-creating milestones. If an employee leaves the company before the completion of the vesting period or the achievement of the milestone, as applicable, then that employee generally does not receive any benefit from the non-vested portion of his or her award. Because employees are able to profit from stock options only if our stock price increases relative to the stock option's exercise price, we believe that stock options provide strong incentives to employees to increase the value of our stock over time. While stock options continue to represent a significant percentage of our equity awards, our compensation and HR committee believes that offering a portfolio of equity instruments that includes both stock options and RSUs is important to attract top talent to our commercial-stage biotechnology company, to foster our performance-driven culture aimed at setting and achieving high-value, aggressive goals and to best align our employees' actions and motivations with the interests of our stockholders.

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        We do not currently have any security ownership requirements for our executive officers. In addition, we have never had a program or policy in place to coordinate equity grants with the release of material non-public information. However, as part of our insider trading prevention policy, our executive officers are prohibited from engaging in any hedging or monetization transactions of our common stock, including through the use of financial instruments such as prepaid variable forwards, equity swaps, collars and exchange funds.

    Initial Equity Awards

        We make an initial equity award to all new employees, including our executive officers, in connection with the commencement of their employment. These initial grants are intended to provide the employee with the incentive to build value in the organization over an extended period of time and to maintain competitive levels of total compensation. In 2017, and consistent with recent prior years, these initial grants were in the form of stock options and RSUs, with stock options continuing to make up a significant percentage of such grants. Since our IPO in February 2010, these awards were for shares of our Class A common stock, and awards made prior to our IPO were for shares of our Class B common stock. Such stock options have an exercise price equal to the fair market value of our common stock on the grant date and typically vest over four years as to 25% of the shares on the first anniversary of the date of hire and as to 1/48th of the total shares each month thereafter for the next 36 months. Such RSUs typically vest over four years as to 25% on each approximate anniversary of the date of grant.

    Annual Equity Awards

        Our practice is to make annual equity awards to all employees, including our named executive officers, as part of our annual compensation program, and historically we have granted such awards in February or March of each year based on our performance in the prior year. Our named executive officers have a choice of the mix for their annual equity awards and can select from the following choices: 100% stock options, 75% stock options and 25% RSUs or 50% stock options and 50% RSUs, with the balance of our employees being provided this or greater equity choice. We believe this equity choice model allows our employees to balance the overall risk profile of their annual equity grants by providing them with the opportunity to diversify their portfolio of equity awards, and also keeps our compensation practices competitive with our peers with whom we compete for talent, while continuing to align the interests of our employees with those of our stockholders. Since our IPO in February 2010, these grants were for shares of our Class A common stock, and awards made prior to our IPO were for shares of our Class B common stock. Such stock option grants have an exercise price equal to the fair market value of our common stock on the grant date and typically vest over four years as to 1/48th of the award on each monthly anniversary of the vesting commencement date, which is January 1 of the applicable year. Such RSUs typically vest over four years as to 25% on each approximate anniversary of the date of grant.

        Our compensation and HR committee does not apply a rigid formula in allocating equity awards to our executive officers as a group or to any particular executive officer, but does emphasize the achievement of corporate goals in determining each annual performance award for our named executive officers, other than Dr. Hecht. Substantially all of Dr. Hecht's annual performance award is based on the achievement of our corporate goals. In addition, our compensation and HR committee leverages its experience, exercising its judgment and discretion, and considers, among other things, the role and responsibility of the named executive officer, the named executive officer's performance, competitive factors, input from PM and market data, the amount of stock-based equity compensation already held by the named executive officer, the mix of total direct compensation received by the named executive officer and the total number of awards to be made to all participants during the year. Based upon these factors, our compensation and HR committee determines the size of the long-term

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equity incentives at levels it considers appropriate to create a meaningful opportunity for reward predicated on the creation of long-term stockholder value. Throughout the year, our compensation and HR committee may award additional grants as circumstances warrant.

    Milestone-Based Equity Awards

        Our named executive officers and a number of our employees have a portion of their incentive compensation in periodic grants of milestone-based equity awards that vest upon the achievement of major value-creating events which may occur many years from the date of grant. We believe milestone-based equity awards align our employees with our stockholders' best interests and motivate our employees to apply their best efforts toward the accomplishment of these long-term value-creating events.

    Severance or Change of Control Arrangements

        Our board, through our compensation and HR committee, periodically assesses our executive severance and change of control arrangements to, among other things, ensure that such benefits are competitive with those of our peers. As approved by our compensation and HR committee, we have entered into severance arrangements with each of our executive officers. We believe these arrangements serve to better align our executive severance practices with those of our peers, which is particularly important as we seek out top talent from companies like our peers and to foster our performance-driven culture aimed at setting and achieving high-value, aggressive goals. Our executive severance arrangements and change of control plan are described in more detail below.

    Executive Severance Arrangements

        We have entered into severance arrangements with each of our executive officers. Under the severance arrangements, our executive officers are eligible to receive certain benefits in the event of an involuntary termination without "cause" or a "constructive termination" (each as defined below under the caption Potential Payments Upon Termination or Change of Control—Executive Severance Arrangements ), including an amount equal to his or her base salary and target bonus for the current year, a pro rata amount of his or her target bonus for the current year (pro-rated based on the percentage of the year worked prior to the triggering event), his or her actual bonus for the prior year if not yet paid and 12 months of benefit continuation. These benefits are only payable if the executive officer has complied with all of our rules and policies, executed a separation agreement that includes a release of claims and complies with his or her post-employment obligations of non-disclosure, non-competition and non-solicitation to Ironwood. If the triggering event occurs in connection with a change of control of Ironwood, the severance arrangements provide that the executive officer will be entitled to receive the greater of the benefits under his or her severance arrangement and the benefits under the change of control plan in effect at the time of such termination, on a payment-by-payment and benefit-by-benefit basis. The severance arrangements further provide that in connection with the sale of all or substantially all of the assets of Ironwood we will cause the acquirer of such assets to assume the arrangements.

        We believe that offering our executive officers these payments and benefits facilitates the operation of our business, allows them to better focus their time, attention and capabilities on our business, assists us in recruiting and motivating key executive officers, and provides for a clear and consistent approach to managing involuntary departures with mutually understood separation benefits. A further description of the severance arrangements is set forth below under the caption Potential Payments Upon Termination or Change of Control—Executive Severance Arrangements .

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    Change of Control Severance Benefit Plan

        We have a change of control plan that applies to all of our employees regardless of title or role, including our executive officers, and provides for certain payments and benefits in connection with or following a termination of employment associated with a "change of control" (as defined below under the caption Potential Payments Upon Termination or Change of Control—Change of Control Severance Benefit Plan ). We maintain this change of control plan on the premise that innovative ideas and the associated intellectual property generated from these ideas are the basis upon which economic value is created in the biopharmaceutical industry and that our employees are the source of these value-creating ideas. The potential for a change of control or other event that could substantially change the nature and structure of Ironwood could therefore adversely affect our ability to recruit and motivate employees. The change of control plan is designed to encourage employees to bring forward their best ideas by providing them with the knowledge that if a change of control occurs, and their employment is terminated as a result thereof, they will have an opportunity to share in the value that they helped create for our stockholders, regardless of their employment status at Ironwood after the change of control. The key goals of our change of control plan are to recognize the value of employees' contributions to us through the acceleration of equity awards solely with time-based vesting, and to ensure employees have a reasonable period of time within which to locate suitable employment without undue financial hardship. We believe that our change of control plan is a positive recruitment tool in attracting top talent to Ironwood and enhances our ability to recruit and motivate management-level employees.

        A further description of the change of control plan and the potential payments to our named executive officers pursuant to the plan is set forth below under the captions Potential Payments Upon Termination or Change of Control—Change of Control Severance Benefit Plan and —Potential Payments Upon Termination or Change of Control .

    Other Compensation

        We maintain broad-based benefits that are provided to all employees, including health insurance, life and disability insurance, dental insurance, fitness and transportation stipends, and a 401(k) plan with a 75% matching company contribution on the first $8,000 of an employee's annual contribution.

        We also maintain a relocation program under which we make certain benefits available to newly hired and existing employees, including executive officers, who are relocating to accept a new position with Ironwood. Our relocation program covers reasonable expenses associated with the move and certain relocation services, including, as applicable, temporary housing assistance payments and a lump sum relocation allowance, departure home sale assistance, rental assistance, new home search assistance, home purchase assistance, moving of household goods and vehicles assistance, and reimbursement of final trip expenses to the new area. We also provide tax assistance to our relocating employees to cover the costs associated with certain non-deductible relocation expenses, as we believe that this benefit is important to our ability to attract and motivate employees. Under our relocation program, participants are required to pay back the full amount of all relocation reimbursements in the event that they voluntarily terminate their employment or are terminated for "cause" within 12 months following the payment date of their last relocation reimbursement.

        Other than our broad-based benefits, or as otherwise described herein, none of our named executive officers receive perquisites of any nature.

Tax and Accounting Considerations

        While our compensation and HR committee generally considers the tax and accounting implications of its executive compensation decisions, neither element was a material consideration in the compensation awarded to our named executive officers in 2017.

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Compensation Practices and Risk

        Our compensation and HR committee has reviewed our compensation policies as generally applicable to our employees and believes that our policies do not encourage excessive and unnecessary risk-taking, and that the level of risk that they do encourage is not reasonably likely to have a material adverse effect on Ironwood. In making this determination, our compensation and HR committee considered the following:

    our use of different types of compensation vehicles provides a balance of long- and short-term incentives with fixed and variable components;

    we grant equity-based awards with time-based vesting and milestone-based vesting, both of which encourage participants to look to long-term appreciation in equity values;

    our annual bonus determinations for each employee are dependent on achievement of company goals, which we believe promote long-term value; and

    our system of internal control over financial reporting and code of business conduct and ethics, among other things, reduce the likelihood of manipulation of our financial performance to enhance payments under any of our incentive plans.

Summary Compensation Table

        The following table sets forth information regarding the compensation paid or accrued to, or earned by, each of our named executive officers during the years ended December 31, 2017, 2016 and 2015.

Name and Principal Position
  Year   Salary
($)
  Stock
Awards
($)(1)
  Option
Awards
($)(1)
  Non-Equity
Incentive Plan
Compensation
($)(2)
  All Other
Compensation
($)(3)
  Total
($)
 

Peter M. Hecht, Ph.D. 

    2017     100,000         5,887,416         8,040     5,995,456  

Chief Executive Officer

    2016     100,000         4,135,830         8,065     4,243,895  

    2015     100,000         4,017,546         7,440     4,124,986  

Gina Consylman*

   
2017
   
334,263

(4)
 
440,213
   
   
185,000
   
8,040
   
967,516
 

Chief Financial Officer and Senior Vice

    2016                          

President

    2015                          

Mark G. Currie, Ph.D. 

   
2017
   
470,000
   
   
1,936,650
   
210,000
   
8,040
   
2,624,690
 

Senior Vice President, Chief Scientific

    2016     454,000         1,092,045     301,000     8,040     1,855,085  

Officer and President of R&D

    2015     440,000     341,688     1,380,394     255,200     7,440     2,424,722  

Halley E. Gilbert

   
2017
   
440,000
   
670,800
   
619,728
   
195,000
   
8,040
   
1,933,568
 

Senior Vice President, Chief Legal

    2016     423,000     332,800     302,055     280,000     8,040     1,345,895  

Officer and Secretary

    2015     410,000     499,075     408,865     225,500     7,440     1,550,880  

Thomas A. McCourt

   
2017
   
450,000
   
440,213
   
1,220,090
   
191,000
   
8,040
   
2,309,343
 

Senior Vice President, Marketing and

    2016     435,000         813,225     288,000     8,040     1,544,265  

Sales and Chief Commercial Officer

    2015     420,000     253,825     693,293     243,600     7,440     1,618,158  

Tom Graney*

   
2017
   
310,890
   
356,363
   
987,692
   
   
30,050
   
1,684,995
 

Former Chief Financial Officer and

    2016     435,000     179,200     487,935     257,000     145,577     1,504,712  

Senior Vice President, Finance and

    2015     420,000     89,034     242,475     231,000     113,880     1,096,389  

Corporate Strategy

                                           

*
Mr. Graney departed from Ironwood on September 13, 2017. Ms. Consylman, became our chief financial officer effective November 27, 2017. Ms. Consylman was previously our interim chief financial officer from September 13, 2017 through November 26, 2017.

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(1)
For 2017, reflects the fair value of time-based RSU and stock option awards on the date of grant calculated in accordance with Financial Accounting Standards Board issued Accounting Standards Codification 718, Compensation—Stock Compensation , or ASC 718. For a discussion of the assumptions used in the valuation of awards made in 2017, see Note 15 to our consolidated financial statements for the year ended December 31, 2017 included in our Annual Report on Form 10-K that we filed with the SEC on February 22, 2018, or our 2017 Form 10-K, and that accompanies this proxy statement. All values reported exclude the effects of potential forfeitures.

For Ms. Consylman, reflects an RSU award granted as an annual performance award for her performance as Vice President of Finance and Chief Accounting Officer.

(2)
Consists of payments made under our annual cash bonus program in the following year for performance in the identified year, as described above under the caption Compensation Actions in 2017 and 2018 .

(3)
For each executive officer, $6,000 of such amount consists of matching contributions made under our 401(k) plan, as well as an amount attributable to a transportation stipend and a fitness stipend. For Mr. Graney, such amount for 2017 also includes $22,481 for unused and accrued vacation time paid in connection with his departure from Ironwood in September 2017. Pursuant to our relocation program, Mr. Graney paid back to Ironwood $50,000 of relocation reimbursements in connection with his departure, which is not reflected as a deduction in the table above.

(4)
Reflects Ms. Consylman's pro-rated salary of $325,700 for the period from January 1, 2017 through November 26, 2017 and her pro-rated salary of $415,000 for the period from November 27, 2017 through December 31, 2017.

Grants of Plan-Based Awards

        The following table sets forth information regarding non-equity and equity awards granted to each of our named executive officers during the year ended December 31, 2017. All non-equity incentive plan awards were made pursuant to our cash bonus program described in more detail above under the caption Elements of Executive Compensation and Determination of Amounts—Annual Bonus . We granted RSUs and stock option awards to our named executive officers in 2017 in recognition of performance in 2016. All RSUs granted in 2017 represented the right to receive shares of our Class A common stock and all stock options granted in 2017 consisted of options to purchase shares of our Class A common stock with an exercise price equal to the fair market value of our Class A common stock on the date of grant. All such equity awards were granted under our 2010 Plan. The vesting schedule of

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each RSU and each option included in the following table is described in the footnotes to the Outstanding Equity Awards at Fiscal Year-End table.

 
   
   
  Estimated
Future
Payouts
Under
Non-Equity
Incentive
Plan
Awards(1)
   
   
   
   
 
 
   
  Compensation
and HR
Committee
Approval
Date (if
different
than
Grant Date)
   
  All Other
Option
Awards:
Number of
Securities
Underlying
Options
(#)
   
   
 
 
   
  All Other
Stock
Awards:
Number of
Shares of
Stock or
Units(#)
  Exercise
or Base
Price of
Option
Awards
($/Sh)
  Grant Date
Fair Value
of Stock
and Option
Awards
($)(2)
 
 
  Grant
Date
 
Name
  Target ($)  

Peter M. Hecht, Ph.D. 

    2/27/2017     1/25/2017             760,000     16.77     5,887,416  

            50,000                  

Gina Consylman

   
2/27/2017
   
1/25/2017
   
   
26,250

(3)
 
   
   
440,213
 

            207,500                  

Mark G. Currie, Ph.D. 

   
2/27/2017
   
1/25/2017
   
   
   
250,000
   
16.77
   
1,936,650
 

            235,000                  

Halley E. Gilbert

   
2/27/2017
   
1/25/2017
   
   
   
80,000
   
16.77
   
619,728
 

    2/27/2017     1/25/2017         40,000             670,800  

            220,000                  

Thomas A. McCourt

   
2/27/2017
   
1/25/2017
   
   
   
157,500
   
16.77
   
1,220,090
 

    2/27/2017     1/25/2017         26,250             440,213  

            225,000                  

Tom Graney

   
2/27/2017
   
1/25/2017
   
   
   
127,500
   
16.77
   
987,692
 

    2/27/2017     1/25/2017         21,250             356,363  

            222,500                  

(1)
Consists of the target cash bonus payment for 2017 performance under our cash bonus program. As described in more detail above under the caption Elements of Executive Compensation and Determination of Amounts—Annual Bonus , in 2017 each of our named executive officers, other than Dr. Hecht, had an individual bonus target of 50% of his or her base salary, 70% of which was tied solely to the achievement of our corporate goals for 2017 (which was not determined as of December 31, 2017) and 30% of which was tied to the achievement of corporate and individual performance goals (the range of which was not determined as of December 31, 2017). Dr. Hecht's bonus, with an individual bonus target of 50% of his base salary, was to be determined based on the achievement of our corporate goals. Actual bonus payments for 2017 performance are set forth in the Summary Compensation Table above.

(2)
Reflects the fair value of time-based RSU and stock option awards on the date of grant calculated in accordance with ASC 718.

For a discussion of the assumptions used in the valuation of the time-based RSU awards and stock option awards granted to our named executive officers in 2017, see footnote 2 to the Summary Compensation Table above.

(3)
Reflects an RSU award granted as an annual performance award for Ms. Consylman's performance as Vice President of Finance and Chief Accounting Officer.

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Outstanding Equity Awards at Fiscal Year-End

        The following table sets forth information regarding outstanding equity awards held by each of our named executive officers on December 31, 2017 the last day of our last fiscal year.

 
  Option Awards   Stock Awards  
Name
  Number of
Securities
Underlying
Unexercised
Options (#)
Exercisable
  Number of
Securities
Underlying
Unexercised
Options (#)
Unexercisable
  Equity Incentive
Plan Awards:
Number of
Securities
Underlying
Unexercised
Unearned
Options (#)
  Option
Exercise
Price ($)
  Option to
Purchase
Class
Common Stock
  Option
Expiration
Date
  Number of
Shares or
Units of
Stock That
Have Not
Vested
(#)(1)
  Market
Value of
Shares or
Units of
Stock That
Have Not
Vested
($)(2)
 

Peter M. Hecht, Ph.D. 

    110,000             4.89   B     2/11/2019 (3)        

    20,000         20,000     5.48   B     7/28/2019 (4)        

    125,000             11.25   A     2/2/2020 (3)        

    175,000             11.11   A     2/1/2021 (3)        

    300,000             14.72   A     2/1/2022 (3)        

    375,000             13.08   A     2/1/2023 (3)        

    318,229     6,771         14.11   A     3/3/2024 (5)        

    411,979     153,021         15.62   A     3/16/2025 (5)        

    426,458     463,542         10.24   A     3/1/2026 (5)        

    174,166     585,834         16.77   A     2/27/2027 (5)        

Gina Consylman

   
35,000
   
5,000
   
   
15.48
 

A

   
7/01/2024

(6)
 
   
 

    6,197     2,303         15.62   A     3/16/2025 (5)        

    2,812     2,188         11.45   A     9/16/2025 (5)        

    14,375     15,626         10.24   A     3/1/2026 (5)        

                          48,749     730,748  

Mark G. Currie, Ph.D. 

   
60,000
   
   
   
3.76
 

B

   
1/31/2018

(3)
 
   
 

    50,000             4.89   B     2/11/2019 (7)        

    125,000             4.89   B     2/11/2019 (3)        

    20,000         20,000     5.48   B     7/28/2019 (4)        

    90,000             11.25   A     2/2/2020 (3)        

    110,000             11.11   A     2/1/2021 (3)        

    110,000             14.72   A     2/1/2022 (3)        

    200,000             13.08   A     2/1/2023 (3)        

    83,229     1,771         14.11   A     3/3/2024 (5)        

    95,702     35,548         15.62   A     3/16/2025 (5)            

    25,000         25,000     15.62   A     3/16/2025 (8)        

    112,604     122,396         10.24   A     3/1/2026 (5)        

    57,291     192,709         16.77   A     2/27/2027 (5)            

                          10,937     163,946  

Halley E. Gilbert

   
50,000
   
   
   
4.89
 

B

   
2/11/2019

(3)
 
   
 

    20,000         20,000     5.48   B     7/28/2019 (4)        

    60,000             11.25   A     2/2/2020 (3)        

    60,000             11.11   A     2/1/2021 (3)        

    30,000             11.83   A     12/12/2021 (3)        

    45,000             14.72   A     2/1/2022 (3)        

    30,000             13.08   A     2/1/2023 (3)        

    25,000             11.51   A     12/2/2023 (3)        

    63,646     1,354         14.11   A     3/3/2024 (5)        

    41,927     15,573         15.62   A     3/16/2025 (5)        

    31,145     33,855         10.24   A     3/1/2026 (5)        

    18,333     61,667         16.77   A     2/27/2027 (5)        

                          78,749     1,180,448  

Thomas A. McCourt

   
130,000
   
   
   
5.48
 

B

   
9/7/2019

(6)
 
   
 

    120,000         40,000     5.48   B     9/7/2019 (9)        

    20,000             11.25   A     2/2/2020 (3)        

    95,000             11.11   A     2/1/2021 (3)        

    95,000             14.72   A     2/1/2022 (3)        

    110,000             13.08   A     2/1/2023 (3)        

    78,333     1,667         14.11   A     3/3/2024 (5)        

    71,093     26,407         15.62   A     3/16/2025 (5)        

    83,854     91,146         10.24   A     3/1/20226 (5)        

    36,093     121,407         16.77   A     2/27/2027 (5)        

                          34,374     515,266  

Tom Graney

   
   
   
   
 

   
   
   
 

(1)
The RSUs vest over four years as to 25% of the award on each approximate anniversary of the grant thereof.

(2)
Market value is calculated by multiplying the number of RSUs that have not vested by the closing price of our common stock on the NASDAQ Global Select Market on December 29, 2017, which was $14.99.

(3)
The options vest as to 1.25% on each monthly anniversary of the vesting commencement date for the first 36 months, and as to 4.5833% of the award on each monthly anniversary thereafter until fully vested.

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(4)
The options vested as to (a) 50% of the shares upon acceptance by the FDA of a second NDA for a product from an internal or external development program (excluding supplemental NDAs for linaclotide, but including NDAs for linaclotide combination products) and vest as to (b) 50% of the shares upon the achievement of $1 billion in annual (calendar year) net global pharmaceutical product sales (including partnered or licensed product revenue). External development programs shall be pre-qualified for milestone vesting eligibility by our compensation and HR committee as of the time of program initiation at Ironwood.

(5)
The options vest as to 1/48th of the shares on each monthly anniversary of the vesting commencement date until fully vested.

(6)
The options vest as to 25% of the shares on the first anniversary of the vesting commencement date and 1/48th of the shares each month thereafter for the next 36 months.

(7)
The option vested as to 100% of the shares on the grant date.

(8)
The options vest in two equal installments of 25,000 options each. The option vested as to 25,000 shares upon the first-dosing in the first clinical study of the next phase following achievement of proof of concept for the first internally derived or externally accessed product (other than linaclotide) qualified by our compensation and HR committee as targeting a new indication, category or market. The option vests as to the remaining 25,000 shares upon the first-dosing in the first clinical study of the next phase following achievement of proof of concept for the second internally derived or externally accessed product (other than linaclotide) qualified by our compensation and HR committee as targeting a new indication, category or market.

(9)
The option vested as to (a) 25% of the shares immediately upon the first acceptance by the FDA of an NDA filed by us; (b) 25% of the shares upon the first commercial sale of linaclotide; and (c) 25% of the shares upon acceptance by the FDA of a second NDA for a product from an internal or external development program (excluding supplemental NDAs for linaclotide, but including NDAs for linaclotide combination products); and the remaining portion of the option vests as to (d) 25% of the shares upon the achievement of $1 billion in annual (calendar year) net global pharmaceutical product sales (including partnered or licensed product revenue).

Options Exercised and Stock Vested Table

        The following table sets forth certain information regarding the exercise of options to purchase our common stock and the vesting of RSUs that were held by our named executive officers during the year ended December 31, 2017.

 
  Option Awards   Stock Awards  
Name
  Number of Shares
Acquired on
Exercise
(#)
  Value Realized
on Exercise
($)(1)
  Number of Shares
Acquired on
Vesting
(#)
  Value Realized
on Vesting
($)(2)
 

Peter M. Hecht, Ph.D. 

    205,987 (3)   2,430,048          

Gina Consylman

            8,063     131,282  

Mark G. Currie, Ph.D. 

    150,000 (4)   1,923,321     5,469     93,629  

Halley E. Gilbert

    72,385 (5)   1,045,281     15,313     262,159  

Thomas A. McCourt

    30,000 (6)   381,557     4,063     69,559  

Tom Graney

    250,232 (7)   791,690     5,800     99,296  

(1)
Computed by determining the difference between the market price of our Class A common stock upon exercise and the exercise price of the exercised stock option.

(2)
Computed by multiplying the number of shares of Class A common stock underlying the vested RSUs by the market price of our Class A stock on the vesting date. This amount represents the total number of shares that vested; however, a portion of such shares were sold to satisfy tax withholding obligations.

(3)
Includes 26,595 shares of Class B common stock that Dr. Hecht acquired through an option exercise, as such stock options were expiring, and then held, thereby increasing his ownership of our Class B common stock by such amount. As of the date hereof, Dr. Hecht continues to hold these shares. Also includes 179,392 shares of our Class B common stock that Dr. Hecht acquired through option exercises and then sold on the open market, as such stock options were expiring. In order to effect the sales, the shares of Class B common stock were converted into shares of Class A common stock in accordance with our certificate of incorporation.

(4)
Includes 90,000 shares of Class B common stock that Dr. Currie acquired through option exercises, as such stock options were expiring, and then held, thereby increasing his ownership of our Class B common stock by such amount. As of the date hereof, Dr. Currie continues to hold these shares. Also includes 60,000 shares of our Class B common stock that Dr. Currie acquired through an

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    option exercise and then sold on the open market. In order to effect these sales, the shares of Class B common stock were converted into shares of Class A common stock in accordance with our certificate of incorporation.

(5)
Represents 72,385 shares of our Class B common stock that Ms. Gilbert acquired through option exercises and then sold on the open market. In order to effect these sales, the shares of Class B common stock were converted into shares of Class A common stock in accordance with our certificate of incorporation.

(6)
Represents 30,000 shares of our Class B common stock that Mr. McCourt acquired through option exercises and then sold on the open market. In order to effect these sales, the shares of Class B common stock were converted into shares of Class A common stock in accordance with our certificate of incorporation.

(7)
Includes 20,338 shares of Class A common stock that Mr. Graney acquired through an option exercise and then held. Includes 229,894 shares of our Class A common stock that Mr. Graney acquired through option exercises in connection with the expiration of such options as a result of his departure from Ironwood in September 2017 and then sold on the open market.

Potential Payments Upon Termination or Change of Control

        Except as described below, there are currently no other agreements or arrangements pursuant to which our named executive officers would receive severance benefits in the event of a separation from Ironwood.

    Named Executive Officer Severance Arrangements

        We have entered into severance arrangements with each of our named executive officers. Under the severance arrangements, our named executive officers are eligible to receive the following benefits in the event of an involuntary termination without Cause or a Constructive Termination (each as defined below), provided the named executive officer has complied with all of our rules and policies, executed a separation agreement that includes a release of claims and complies with his or her post-employment obligations of non-disclosure, non-competition and non-solicitation to Ironwood:

    an amount equal to 12 months of his or her current base salary, a pro rata amount of his or her target annual cash incentive award for the current year (pro-rated based on the percentage of the year worked prior to the triggering event), an amount equal to his or her full target annual cash incentive award for the current year, and an amount equal to his or her actual annual cash incentive award for the prior year if such amount has not already been paid to him or her; and

    benefit continuation under the Consolidated Omnibus Budget Reconciliation Act, or COBRA, with Ironwood contributing to the cost of such coverage in the same amount as if the executive officer was actively employed, plus COBRA administrative fees, for 12 months following the triggering event. The named executive officers are also eligible to receive outplacement assistance consistent with industry standards.

        If the triggering event occurs in connection with a change of control of Ironwood, the severance arrangements provide that the named executive officer will be entitled to receive the greater of the benefits under his or her severance arrangement and the benefits under the change of control plan in effect at the time of such termination, on a payment-by-payment and benefit-by-benefit basis. The severance arrangements further provide that in connection with the sale of all or substantially all of the assets of Ironwood we will cause the acquirer of such assets to assume the arrangements.

        For purposes of the severance arrangements, "Constructive Termination" means termination of employment by the named executive officer for Good Reason (as defined below); provided that

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Constructive Termination shall not include any termination of employment (i) by Ironwood for Cause; (ii) by Ironwood as a result of the permanent disability of the named executive officer; (iii) as a result of the death of the named executive officer; or (iv) as a result of the voluntary termination of employment by the named executive officer for any reason other than Good Reason. "Good Reason" means the occurrence of any of the following conditions: (a) a material diminution in the named executive officer's authority, duties or responsibilities; (b) a material diminution in the named executive officer's total target cash compensation unless such diminution is in connection with a proportional reduction in compensation for all or substantially all named executive officers; or (c) the relocation of the named executive officer's work place for Ironwood to a location more than 60 miles from the location of the work place prior to the Constructive Termination. The severance arrangements provide that "Cause" has the same meaning as ascribed to the term in our 2010 Plan, as most recently in effect prior to the time of termination; provided, however, that this definition of Cause shall be superseded by (I) the definition of Cause contained in an agreement between a participant and Ironwood in effect at the time of such termination, and (II) the definition of "Cause" contained in the change of control plan to the extent such termination is covered by such plan. Our 2010 Plan defines "Cause" as (A) dishonesty with respect to Ironwood, (B) insubordination, substantial malfeasance or non-feasance of duty, (C) unauthorized disclosure of confidential information, (D) breach of any provision of any employment, consulting, advisory, nondisclosure, non- competition or similar agreement with Ironwood, and (E) conduct substantially prejudicial to Ironwood's business. See Elements of Executive Compensation and Determination of Amounts—Severance or Change of Control Arrangements—Executive Severance Arrangements for more information about our named executive officer severance arrangements.

    Change of Control Severance Benefit Plan

        We have a change of control plan that applies to all of our employees regardless of title or role, including our named executive officers, and provides for certain payments and benefits in connection with or following a termination of employment associated with a change of control. Pursuant to this plan, in the event of a Covered Termination (as defined below), our named executive officers are entitled to receive the following from Ironwood or its successor:

    a lump-sum payment in an amount equal to 12 months of base salary as of the time of termination;

    a lump-sum payment in an amount equal to the target bonus for the year in which the termination occurred, prorated for the portion of the year during which the employee was employed;

    acceleration of all outstanding equity awards subject solely to time-based vesting as of the date of termination; and

    continuation of medical, dental and vision benefits for the individual and his or her dependents for 12 months following termination; provided that if the individual dies or becomes covered by another employer's group health plans during the continuation period, Ironwood is no longer required to provide such group health plans.

        A Covered Termination consists of a "Termination Upon Change of Control" or a "Constructive Termination" in connection with a "Change of Control" of Ironwood. Under the change of control plan, a Change of Control occurs when:

    any person becomes, pursuant to a transaction or a series of transactions not approved by our board, the beneficial owner, directly or indirectly, of Ironwood securities representing more than 50% of the total voting power;

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    a merger or consolidation of Ironwood, whether or not approved by our board, which results in the holders of our voting securities holding less 50% of the combined voting power of the surviving entity immediately after such merger or consolidation;

    the sale or disposition of more than two-thirds of the assets of Ironwood; or

    the date a majority of members of our board is replaced during any 12-month period by directors whose appointment or election is not endorsed by a majority of members of our board before the date of the appointment or election.

        For purposes of the change of control plan, "Termination Upon Change of Control" means the actual termination of the employee without Cause (as defined below) by Ironwood during the period commencing 30 days prior to the earlier of (i) the date that Ironwood first publicly announces that it is conducting negotiations leading to a Change of Control or (ii) the date that Ironwood enters into a definitive agreement that would result in a Change of Control, and ending on the earlier of (a) the date on which Ironwood announces the definitive agreement has been terminated or that Ironwood's efforts to consummate the Change of Control have been abandoned or (b) the date that is twenty-four months after the Change of Control, and "Constructive Termination" means the termination of employment by the employee for Good Reason (as defined below) within twenty-four months after the occurrence of any Change of Control; provided that a Termination Upon Change of Control or a Constructive Termination shall not include any termination of employment (A) by Ironwood for Cause; (B) by Ironwood as a result of the permanent disability of the employee; (C) as a result of the death of the employee; or (D) as a result of the voluntary termination of employment by the employee for any reason other than Good Reason. "Good Reason" means the occurrence of any of the following conditions following a Change of Control: (I) a material diminution in the employee's authority, duties and responsibilities; (II) a material diminution in the employee's total target cash compensation unless such diminution is in connection with a proportional reduction in compensation for all or substantially all similarly situated employees; (III) the relocation of the employee's work place for Ironwood to a location more than 60 miles from the location of the work place prior to the Change of Control; or (IV) any other action or inaction that constitutes a material breach by such employee's employer (after the Change of Control) of any agreement with the employee under which the employee is then providing services. "Cause" means (aa) theft, a material act of fraud, intentional falsification of employment or Ironwood records or the commission of any criminal act; (bb) improper disclosure or use of Ironwood's confidential, business or property information; (cc) gross negligence or willful misconduct in the performance of assigned duties that causes demonstrable harm to Ironwood; or (dd) repeated failure to perform job responsibilities in accordance with written instructions from a supervisor.

        We will require any successor to assume and agree to perform the change of control plan. Receipt of any payments or benefits under the change of control plan at the time of termination will be conditioned on the employee executing a written release of Ironwood from any and all claims arising in connection with his or her employment. See Elements of Executive Compensation and Determination of Amounts—Severance or Change of Control Arrangements—Change of Control Severance Benefit Plan for more information about our change of control plan.

    Equity Acceleration in the Event of Death

        For all employees, including our named executive officers, outstanding stock option and RSU awards subject solely to time-based vesting accelerate in full in the event of the death of the award holder. This term applies to all outstanding time-based stock option and RSU awards made under our equity incentive plans, including the 2010 Plan. Further, our current form of stock option and RSU agreements for awards issued under our 2010 Plan include similar provision for the acceleration of unvested time-based awards upon the death of an award holder, including our named executive officers.

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    Potential Payments Upon Termination or Change of Control

        The following table presents our estimate of the amount of severance benefits to which each of our named executive officers would be entitled if a termination occurred on December 29, 2017 under the circumstances set forth in the column headings. The closing price of our common stock as listed on the NASDAQ Global Select Market on December 29, 2017 was $14.99 per share.

Name
  Executive Payments
and Benefits
upon Termination
  Involuntary
Termination
without Cause or a
Constructive
Termination(1)
  Termination
Following
Change of
Control(2)
  Death(3)  

Peter M. Hecht, Ph.D. 

  Cash Severance   $ 100,000   $ 100,000   $  

  Non-Equity Incentive Plan Compensation   $ 100,000   $ 100,000   $  

  Equity Acceleration(4)                    

  Options   $   $ 2,207,783   $ 2,207,783  

  RSUs   $   $   $  

  Continuation of Health Benefits   $ 21,031   $ 21,031   $  
                   

  Total   $ 221,031   $ 2,428,814   $ 2,207,783  

Gina Consylman

 

Cash Severance

 
$

415,000
 
$

415,000
 
$

 

  Non-Equity Incentive Plan Compensation   $ 415,000   $ 415,000   $  

  Equity Acceleration(4)                    

  Options   $   $ 81,964   $ 81,964  

  RSUs   $   $ 730,748   $ 730,748  

  Continuation of Health Benefits   $ 21,031   $ 21,031   $  

  Total   $ 851,031   $ 1,663,743   $ 812,712  

Mark G. Currie, Ph.D. 

 

Cash Severance

 
$

470,000
 
$

470,000
 
$

 

  Non-Equity Incentive Plan Compensation   $ 470,000   $ 470,000   $  

  Equity Acceleration(4)                    

  Options   $   $ 582,939   $ 582,939  

  RSUs   $   $ 163,946   $ 163,946  

  Continuation of Health Benefits   $ 7,787   $ 7,787   $  
                   

  Total   $ 947,787   $ 1,694,672   $ 746,885  

Halley E. Gilbert

 

Cash Severance

 
$

440,000
 
$

440,000
 
$

 

  Non-Equity Incentive Plan Compensation   $ 440,000   $ 440,000   $  

  Equity Acceleration(4)                    

  Options   $   $ 162,003   $ 162,003  

  RSUs   $   $ 1,180,448   $ 1,180,448  

  Continuation of Health Benefits   $ 21,031   $ 21,031   $  

  Total   $ 901,031   $ 2,243,482   $ 1,342,451  

Thomas A. McCourt

 

Cash Severance

 
$

450,000
 
$

450,000
 
$

 

  Non-Equity Incentive Plan Compensation   $ 450,000   $ 450,000   $  

  Equity Acceleration(4)                    

  Options   $   $ 434,410   $ 434,410  

  RSUs   $   $ 515,266   $ 515,266  

  Continuation of Health Benefits   $ 8,244   $ 8,244   $  
                   

  Total   $ 908,244   $ 1,857,920   $ 949,676  

Tom Graney(5)

 

Cash Severance

 
$

 
$

 
$

 

  Non-Equity Incentive Plan Compensation   $   $   $  

  Equity Acceleration(4)                    

  Options   $   $   $  

  RSUs   $   $   $  

  Continuation of Health Benefits   $   $   $  

  Total   $   $   $  

(1)
Represents amounts payable under the terms of the named executive officer severance arrangements. Non-equity incentive plan compensation payment amount assumes no bonus amounts for 2017 have been paid to the

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    executive as of December 31, 2017, and that all 2016 bonus amounts have been paid as of such date, in each case, as would be consistent with Ironwood's historical practice.

(2)
As provided under the terms of the named executive officer severance arrangements, represents the greater of the amount payable under the severance arrangements and the change of control plan on a payment-by-payment and benefit-by-benefit basis.

(3)
Represents the value of the accelerated time-based stock option and RSU awards for each named executive officer.

(4)
With respect to options, reflects the in-the-money value of the unvested portion of such executive officer's options that have vesting provisions based solely on time, and not performance milestones. The value is calculated by multiplying the amount (if any) by which $14.99, the closing price of our Class A common stock on the NASDAQ Global Select Market on December 29, 2017, exceeds the exercise price of the option by the number of shares subject to the accelerated portion of the option. With respect to RSUs, the value is calculated by multiplying the number of unvested RSUs with vesting provisions based solely on time (if any) by $14.99, the closing price of our Class A common stock on the NASDAQ Global Select Market on December 29, 2017.

(5)
Mr. Graney's employment with us terminated in September 2017, and he did not receive any benefits under his severance arrangement or the change of control plan in connection with his departure.

CEO Pay Ratio

        Under the Dodd-Frank Wall Street Reform and Consumer Protection Act, we are required to disclose the median of the annual total compensation of our employees, the annual total compensation of our principal executive officer, Dr. Hecht, and the ratio of these two amounts. For 2017, our last completed fiscal year:

    The estimated median of the annual total compensation of all employees of our company (other than Dr. Hecht) was $162,177; and

    Dr. Hecht's annual total compensation, as reported in the Summary Compensation Table included elsewhere in this proxy statement, was $5,995,456.

        Based on this information for 2017, we estimate that the ratio of the annual total compensation of Dr. Hecht to the median annual total compensation of all employees was 37 to 1. We believe this pay ratio is a reasonable estimate calculated in a manner consistent with SEC rules based on our payroll and employment records, and the methodology described below. Because the SEC rules for identifying the median of the annual total compensation of our employees and calculating the pay ratio based on that employee's annual total compensation allow companies to adopt a variety of methodologies, to apply certain exclusions, and to make reasonable estimates and assumptions that reflect their employee populations and compensation practices, the pay ratio reported by other companies may not be comparable to the pay ratio for Ironwood, as other companies have employees based in different locations (including other countries), have different business models and employee needs, have different employee populations and compensation practices and may utilize different methodologies, exclusions, estimates and assumptions in calculating their pay ratios.

        To identify the median of the annual total compensation of all our employees, as well as to determine the annual total compensation of our median employee and Dr. Hecht, we took the following steps:

    We determined that, as of October 9, 2017, our employee population consisted of approximately 720 individuals with all of these individuals located in the United States. This population consisted of our full- and part-time employees. We selected October 9, 2017, which is within the last three months of 2017, as the date upon which we would identify the "median employee" because it enabled us to make such identification in a reasonably efficient and economical manner.

    To identify the "median employee" from our employee population, we compared the amount of salary and wages (including cash bonuses and incentives) of our employees as reflected in our

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      payroll records as reported to the Internal Revenue Service on Form W-2 for 2017. In addition, since we widely distribute annual equity awards to our employees as part of our owner-oriented compensation philosophy, we included the grant date fair value of such awards in the compensation measure. In making this determination, we annualized the compensation of approximately 109 full-time employees who were hired in 2017 but did not work for us for the entire fiscal year.

    We identified our median employee using this compensation measure, which was consistently applied to all our employees included in the calculation. Since all our employees are located in the United States, as is Dr. Hecht, we did not make any cost-of-living adjustments in identifying the "median employee."

    Once we identified our median employee, we combined all of the elements of such employee's compensation for 2017 in accordance with applicable SEC rules, resulting in annual total compensation of $162,177. The difference between such employee's salary and wages, bonuses, and the grant date fair value of the employee's equity grants, and the employee's annual total compensation represents the estimated value of such employee's fitness stipend and 401(k) matching contributions.

    With respect to the annual total compensation of our CEO, we used the amount reported in the "Total" column of the Summary Compensation Table for 2017.

Director Compensation

        As with our executive compensation, our director compensation philosophy emphasizes compensation in the form of equity, as we believe it aligns our directors' interests with those of our stockholders. As such, the vast majority of the compensation that our non-employee directors receive for service on our board is paid in the form of restricted stock. Vesting of these shares of restricted stock is contingent on each non-employee director continuing to serve as a member of the board on the last day of each applicable vesting period. Further, whether the shares of restricted stock are vested or not, no director may transfer any shares of restricted stock while such person is a director of Ironwood, subject to limited exceptions. We believe these forfeiture and transfer restrictions under our director compensation plan effectively create stock ownership guidelines for our directors in that they ensure that the interests of our directors, each of whom has equity in the business, are aligned with those of our stockholders and they focus our directors on maximizing long-term value.

        Under our director compensation plan, effective January 1, 2014, at each annual meeting of stockholders our non-employee directors receive an annual grant of the number of restricted shares of our Class A common stock calculated by dividing (i) the dollar amount for total director compensation approximating the 25th percentile of our current peer group on the date of grant, by (ii) the average closing price of our Class A common stock on the NASDAQ Global Select Market for the six months preceding the month in which the applicable annual meeting of stockholders occurs. Such restricted shares vest 25% on each three-month anniversary of the grant date over a nine-month period and the remaining 25% on the day before the date of the annual meeting of stockholders for the next calendar year. For 2017, our compensation and HR committee determined that the 25 th  percentile for total director compensation for our peer group was approximately $250,000. Accordingly, on May 31, 2017, the date of our 2017 annual meeting of stockholders, each of our non-employee directors received a grant of restricted stock consistent with the foregoing terms and valuation.

        In addition, pursuant to our director compensation plan, the chair of our board and each of the committee chairs receives annual compensation of $10,000, payable quarterly in unrestricted stock or cash at the individual director's election. Shares of our Class A common stock issued to our directors under our director compensation plan are granted under our 2010 Plan, in which our directors are

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eligible to participate. Further, non-employee directors are reimbursed for reasonable travel and other expenses incurred in connection with attending meetings of the board of directors and its committees.

        The following table sets forth information regarding the compensation earned during the year ended December 31, 2017 by each of our directors other than Dr. Hecht, who does not receive compensation for his service as a director. Dr. Hecht's compensation for his service as our chief executive officer is described in our Compensation Discussion and Analysis and in the Summary Compensation Table and related footnotes included elsewhere in this proxy statement.

Name
  Fees Earned or
Paid in Cash
($)
  Stock Awards
($)(1)
  All Other
Compensation ($)
  Total ($)  

Andrew Dreyfus

        276,719         276,719  

Marsha H. Fanucci

    10,000 (2)   276,719         286,719  

Terrance G. McGuire

    9,961 (3)   276,719         286,680  

Julie H. McHugh

    5,852 (4)   276,719         282,571  

Lawrence S. Olanoff, M.D., Ph.D. 

        276,719     12,500 (5)   289,219  

Edward P. Owens

    10,000 (6)   276,719         286,719  

Amy W. Schulman

        426,454 (7)       426,454  

Christopher T. Walsh, Ph.D. 

    4,137 (8)             4,137  

Douglas E. Williams, Ph.D. 

        276,719         276,719  

(1)
On May 31, 2017, each non-employee member of our board of directors, except Dr. Walsh who transitioned off of our board of directors on such date, received a restricted stock grant in the amount of 15,625 shares of Class A common stock for service to Ironwood from the date of our 2017 annual meeting of stockholders to the date of our 2018 annual meeting of stockholders. The amount of this restricted stock grant was determined by dividing (i) $250,000 (the dollar amount for total director compensation approximating the 25th percentile of our current peer group on the date of grant), by (ii) the average closing price of our Class A common stock on the NASDAQ Global Select Market for the six months preceding the month of the 2017 annual meeting of stockholders. Such award of restricted stock had a grant date fair value of $17.71 per share and was granted pursuant to the terms of our director compensation plan. As of December 31, 2017, 7,812 shares from each such restricted stock award remained unvested.

(2)
Ms. Fanucci received this compensation for her services as the chair of our audit committee in 2017.

(3)
Mr. McGuire received this compensation for his service as the chair of our board for 2017. Pursuant to our director compensation plan, Mr. McGuire elected to receive this compensation in unrestricted shares of our Class A common stock. Mr. McGuire received a total of 596 shares of our Class A common stock for such chair service in 2017.

(4)
Ms. McHugh received this compensation for her service as the chair of our governance and nominating committee for a portion of 2017.

(5)
Dr. Olanoff received this compensation for his service as a member of our Pharmaceutical Advisory Committee for 2017.

(6)
Mr. Owens received this compensation for his services as the chair of our compensation and HR committee for 2017.

(7)
Ms. Schulman was elected a director effective January 1, 2017. On such date, and in connection with her election, Ms. Schulman received an award of 9,793 restricted shares of our Class A common stock, which award represented a prorated portion of the award of restricted shares made to our other non-employee directors on June 1, 2016, our 2016 annual meeting date. Such award

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    of restricted stock had a grant date fair value of $15.29 per share (the closing price of our Class A common stock on the NASDAQ Global Select Market on December 30, 2016) and was granted pursuant to the terms of our director compensation plan. As of December 31, 2017, all of such restricted shares had vested.

(8)
Dr. Walsh received this compensation for his service as the chair of our governance and nominating committee for a portion of 2017. Pursuant to our director compensation plan, Dr. Walsh elected to receive this compensation in unrestricted shares of our Class A common stock. Dr. Walsh received a total of 236 shares of our Class A common stock for such chair service in 2017.

Compensation Committee Report

        We have:

    1.
    reviewed and discussed with management the Compensation Discussion and Analysis found herein; and

    2.
    based on the review and discussions referred to in paragraph (1) above, we recommended to the board of directors that the Compensation Discussion and Analysis be included in the company's proxy statement on Schedule 14A for filing with the SEC.
    By the Compensation and HR Committee,

 

 

Edward P. Owens, Chair
Amy W. Schulman
Douglas E. Williams

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PROPOSAL NO. 2—ADVISORY VOTE ON NAMED
EXECUTIVE OFFICER
COMPENSATION

Our board recommends that you approve the
compensation of our named executive officers as
disclosed in this proxy statement.

Background

        At our 2018 annual meeting, we are providing our stockholders with the opportunity to cast an advisory (non-binding) vote on named executive officer compensation, or a "say-on-pay" vote. This is a non-binding vote on the compensation of our "named executive officers," as described in the Compensation Discussion and Analysis section, the tabular disclosure regarding such compensation, and the accompanying narrative disclosure, all as set forth in this proxy statement.

        The objective of our compensation policies is to provide compensation and incentives which align employee actions and motivations with the interests of our stockholders, attract, motivate and reward outstanding talent across our company through well-communicated programs that are aligned with our core values and business mission, and support a positive company culture. In 2017, the compensation program for our named executive officers consisted principally of base salary, cash bonus and long-term equity incentive compensation in the form of stock options and RSUs. While we offer reasonably competitive base salaries and cash bonuses, our compensation program is weighted toward long-term equity incentive compensation as opposed to short-term or cash-based compensation as we believe this better aligns our executives with our fellow stockholders' interests and the creation of long-term stockholder value. If we achieve our corporate goals over the long term, we expect our stock price to reflect our performance and the equity awards currently held by our named executive officers to become an even more significant component of overall compensation. Our compensation and HR committee believes that this approach to executive compensation links compensation directly to continuous improvements in corporate performance and, ultimately our stock price, or "pay for performance."

        Our previous say-on-pay vote was at our 2017 annual meeting and was approved by more than 98% of the votes cast on such matter. Under the Dodd-Frank Wall Street Reform and Consumer Protection Act, as well as the provisions of Section 14A of the Exchange Act, we must hold the advisory (non-binding) vote on named executive officer compensation at least once every three years. Based on the recommendation of our stockholders in 2017, our board determined to provide our stockholders the opportunity to vote (on an advisory basis) on named executive officer compensation on an annual basis to allow our stockholders to provide us with regular, timely and direct input on our executive compensation philosophy, policies and practices as disclosed in the proxy statement each year. We believe this practice allows us to further align our compensation programs with our stockholders' interests as stockholder feedback may be taken into consideration as part of the compensation review process.

Vote Required

        Because this proposal seeks a non-binding, advisory vote, there is no "required vote" that would constitute approval. However, our board, including our compensation and HR committee, values the opinions of our stockholders and, to the extent there are a substantial number of votes cast against the executive officer compensation as disclosed in this proxy statement, we will consider our stockholders' concerns and evaluate which actions may be appropriate to address those concerns. Broker nominees do not have discretion to vote on this proposal without your instruction; if you do not instruct your nominee how to vote on this proposal, your nominee will not vote your shares with respect to this proposal. Any shares that are not voted, whether by abstention, broker non-votes, if any, or otherwise, will not affect the outcome of this proposal.

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PROPOSAL NO. 3—RATIFICATION OF OUR SELECTION OF AUDITORS

Our board recommends that you ratify the selection of
Ernst & Young LLP as our auditors for fiscal year 2018.

        Our audit committee has appointed Ernst & Young LLP to serve as our auditors for the fiscal year ending December 31, 2018. The firm of Ernst & Young LLP, an independent registered public accounting firm, has audited the books and accounts of Ironwood since 1998 and has audited our financial statements for the years ended December 31, 2017, 2016 and 2015. Detailed disclosure of the audit, audit-related and tax fees we paid to Ernst & Young LLP in 2017 and 2016 are set forth below. Based on these disclosures and information in the audit committee report beginning on page 20 of this proxy statement, our audit committee is satisfied that our auditors are sufficiently independent of management to perform their duties properly. Although not legally required to do so, our board considers it desirable to seek, and recommends, stockholder ratification of its selection of auditors for fiscal year 2018.

        Representatives of Ernst & Young LLP are expected to attend the annual meeting to answer any questions and they will have the opportunity to make a statement if they wish.

        The table below presents aggregate fees for professional audit services rendered by Ernst & Young LLP for the years ended December 31, 2017 and 2016 for the audits of our annual financial statements, and fees billed for other services rendered by Ernst & Young LLP during those periods. It is the audit committee's policy that all audit and non-audit services to be performed by Ernst & Young LLP be pre-approved. The audit committee annually reviews and pre-approves the permissible services that may be provided by Ernst & Young LLP to assure the provision of such services does not impair the auditor's independence. In accordance with the pre-approval policy, our management informs the audit committee of each service performed by Ernst & Young LLP pursuant to the pre-approval policy. Requests to provide services that require separate approval by the audit committee are submitted to the audit committee or its designee by both our chief financial officer or chief accounting officer and Ernst & Young LLP. All of the services described in the following fee table were approved in conformity with the audit committee's pre-approval policy.

 
  2017   2016  

Audit

  $ 1,027,904   $ 1,456,362  

Audit-related

  $ 65,000   $  

Tax

  $   $ 3,412  

All other

  $ 307,700   $  

  $ 1,400,604   $ 1,459,774  

        Audit fees for 2017 and 2016 were for professional services rendered for the audits of our financial statements and internal controls over financial reporting, including accounting consultation, and reviews of quarterly financial statements, as well as for services that are normally provided in connection with regulatory filings or engagements, including comfort letters.

        Audit-related fees for 2017 were for accounting consultations associated with the anticipated adoption of the Accounting Standards Codification Topic 606, Revenue from Contracts with Customers . All audit-related fees were approved by the audit committee.

        Tax fees for 2016 were for professional services, including the preparation of our federal and state tax returns and tax advice. All tax fees were approved by the audit committee.

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        Other services included due diligence activities performed during 2017. All other fees were approved by the audit committee.

        Other than the foregoing, Ernst & Young LLP did not provide any other services to us in 2017 or 2016.

Vote Required

        The approval of the proposal to ratify the selection of Ernst & Young LLP as our auditors requires a majority of the votes cast for or against the proposal. To the extent that a broker nominee provides you with Sarissa's proxy materials, such nominee would not have discretion to vote on this proposal; if you did not instruct your nominee how to vote on this proposal, your nominee will not vote your shares with respect to this proposal. To the extent that a broker nominee does not provide you with Sarissa's proxy materials, such nominee may vote on your behalf on the WHITE proxy card if you do not otherwise provide instructions. Abstentions and broker non-votes, if any, will not affect the outcome of this proposal.

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PROPOSAL NO. 4—STOCKHOLDER PROPOSAL

Our board recommends that you vote against
the adoption of the Sarissa proposal.

Background

        The company has received notice from Sarissa of its intention to present the following resolution for approval at the annual meeting, which would result in the repeal any provision of our bylaws in effect at the time of the annual meeting that was not included in the version of the bylaws publicly filed with the SEC on or prior to March 27, 2018.

Sarissa Proposal

        RESOLVED, that any provision of the Fifth Amended and Restated Bylaws of Ironwood Pharmaceuticals, Inc. as of the effectiveness of this resolution that was not included in the Fifth Amended and Restated Bylaws of Ironwood Pharmaceuticals, Inc. as publicly filed with the Securities and Exchange Commission on or prior to March 27, 2018, be and hereby is repealed.

Statement in Opposition of the Sarissa Proposal

        Our board of directors recommends that stockholders vote " Against " the Sarissa proposal for the following reasons:

        The Sarissa proposal seeks to repeal any provisions of our bylaws that were not reflected in the version publicly filed as of March 27, 2018, without regard to the subject matter of any bylaw provisions or amendment in question.

        There have been no amendments to the version of our bylaws filed with the SEC as of March 27, 2018. Although our board of directors does not currently expect to adopt any amendments to the bylaws prior to the annual meeting, the board could determine that such an amendment is necessary and in the best interest of the stockholders. The automatic repeal of any bylaw amendment, irrespective of its content, could have the effect of repealing one or more properly adopted bylaw amendments that the board determined to be in the best interests of the company and its stockholders and adopted in furtherance of its fiduciary duties, including in response to future events not yet known to the company.

        As the board is fully empowered by its governing documents and applicable law to adopt, amend, or repeal provisions of our bylaws in accordance with its fiduciary duties, we believe this proposal represents no purpose other than to limit board actions otherwise permitted by the company's governing documents and Delaware law.

        For these reasons, the board urges stockholders to vote AGAINST the Sarissa proposal.

         Our board does not endorse the Sarissa proposal and strongly recommends that you disregard any proxy card that may be sent to you by Sarissa. If you have already voted using a proxy card sent to you by Sarissa, you have every right to change it and we urge you to revoke that proxy by voting using the enclosed WHITE proxy card. Only the latest validly executed proxy that you timely submit will be counted.

        If you have any questions or require any assistance with voting your shares, please contact our proxy solicitor, MacKenzie Partners, toll-free at (800) 322-2885 or at (212) 929-5500 or via email to proxy@mackenziepartners.com.

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Vote Required

        The approval of the proposal to repeal any provisions of our bylaws not included in the bylaws publicly filed as of March 27, 2018 requires 80% of the votes entitled to be cast at the annual meeting. Abstentions and broker non-votes, if any, will have the same effect as a vote against this proposal.


SECTION 16(a) BENEFICIAL OWNERSHIP REPORTING COMPLIANCE

        Our directors, executive officers and beneficial owners of more than 10% of our Class A common stock and Class B common stock, combined, are required under Section 16(a) of the Exchange Act to file reports of ownership and changes in ownership of our securities with the SEC. Our staff assists our directors and executive officers in preparing ownership reports and reporting ownership changes, and typically files these reports on their behalf. Based on a review of the copies of reports filed by us or by our 10% stockholders and representations that no other reports were required, we believe that during 2017 our directors, executive officers and 10% stockholders complied with all Section 16(a) filing requirements.


STOCKHOLDER COMMUNICATIONS, PROPOSALS AND NOMINATIONS FOR DIRECTORSHIPS

Communications

        A stockholder may send general communications to our board, any committee of our board or any individual director by directing such communication to Chief Legal Officer, Ironwood Pharmaceuticals, Inc., 301 Binney Street, Cambridge, Massachusetts 02142. All communications will be reviewed by our chief legal officer and, if requested by the stockholder, forwarded to our board or an individual director, as applicable. Our chief legal officer reserves the right not to forward to our board or any individual director any abusive, threatening or otherwise inappropriate materials.

        Any request for materials or other communications directed to our Secretary should be sent to: Secretary, Ironwood Pharmaceuticals, Inc., 301 Binney Street, Cambridge, Massachusetts 02142.

Proposals and Nominations

        Stockholders who wish to present a proposal for inclusion in our proxy materials for our 2019 annual meeting should follow the procedures prescribed in Rule 14a-8 under the Exchange Act and our bylaws. Those procedures require that we receive a stockholder proposal in writing no later than [                              ], 2018 in order for such proposal to be included in our proxy materials.

        Under our bylaws, stockholders who wish to nominate a director or include a proposal in our 2018 annual meeting of stockholders (but do not wish to include such proposal in our proxy materials) must give us timely notice. To be timely, a notice of director nomination or other proposal for the 2018 annual meeting of stockholders must be received by us no earlier than [                              ], 2019 and no later than [                              ], 2019, unless the date of the 2019 annual meeting of stockholders is more than 30 days from the anniversary date of the 2018 annual meeting of stockholders, in which event the notice must be received by us on or before 15 days after the day on which the date of the 2019 annual meeting of stockholders is first disclosed in a public announcement. The notice must contain specified information that is prescribed in our bylaws about you and the director nominee or the proposal, as applicable. If any director nomination or stockholder proposal is submitted after [                              ], 2019, our bylaws provide that the nomination or the proposal shall be disregarded.


SEC FILINGS

        We file annual, quarterly and current reports, as well as other information with the SEC. You can obtain any of them from the SEC at its website at www.sec.gov or at its Public Reference Room at 100 F Street, N.E., Washington, DC 20549. The documents are also available from us without charge by requesting them in writing or by telephone from Ironwood Pharmaceuticals, Inc., 301 Binney Street, Cambridge, Massachusetts 02142, Attention: Corporate Communications, telephone: (617) 621-7722.

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Annex A

SUPPLEMENTAL INFORMATION REGARDING PARTICIPANTS

        The following tables ("Nominees" and "Officers and Employees") set forth the name and business address of all of our directors and the name, present principal occupation and business address of our officers and employees who, under the rules of the SEC, are considered to be participants in our solicitation of proxies from our stockholders in connection with the annual meeting (collectively, the "Participants").

Directors, Including Director Nominees

        The principal occupations of our directors, including nominees for directors at the annual meeting, are set forth under the sections above titled "Directors and Corporate Governance" of this proxy statement. The name of the directors are set forth below and the business addresses for all the directors is c/o Ironwood Pharmaceuticals, Inc., 301 Binney Street, Cambridge, Massachusetts 02142.

Name
   

Terrance G. McGuire, Chair
Andrew Dreyfus
Marsha H. Fanucci
Peter M. Hecht, Ph.D., Chief Executive Officer
Julie H. McHugh
Lawrence S. Olanoff, M.D., Ph.D.
Edward P. Owens
Amy W. Schulman
Douglas E. Williams, Ph.D.

   

Officers and Employees

        The principal occupations of our officers and employees who are considered Participants are set forth below. The principal occupation refers to such person's position with the company, and the business address for each person is c/o Ironwood Pharmaceuticals, Inc., 301 Binney Street, Cambridge, Massachusetts 02142.

Name
  Position
Peter M. Hecht, Ph.D.    Chief Executive Officer, Director
Gina Consylman   Senior Vice President, Chief Financial Officer, and Treasurer
Mark G. Currie, Ph.D.    Senior Vice President, Chief Scientific Officer and President of R&D
Halley E. Gilbert   Senior Vice President, Chief Legal Officer, and Secretary
William Huyett   Chief Operating Officer
Thomas A. McCourt   Senior Vice President, Marketing and Sales and Chief Commercial Officer
Meredith Kaya   Vice President, Investor Relations and Corporate Communications

Information Regarding Ownership of Company Securities By Participants

        The amount of the company's securities beneficially owned by directors and named executive officers as of March 31, 2018, including the number of securities for which beneficial ownership can be acquired within 60 days of such date, is set forth in the table appearing under the heading "Security Ownership of Certain Beneficial Owners and Management" above. The amount of the company's securities beneficially owned as of the same date, including the number of securities for which

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beneficial ownership can be acquired within 60 days of such date, for the remaining Participants is set forth in the table below.

        The number of shares beneficially owned by the remaining Participants is determined under rules issued by the SEC. Under these rules, beneficial ownership includes any shares as to which the individual or entity has sole or shared voting power or investment power. Each of the stockholders listed has sole voting and investment power with respect to the shares beneficially owned by the stockholder unless noted otherwise, subject to community property laws where applicable.

        The percentage of common stock beneficially owned by each remaining Participant is based on 151,604,044 shares of common stock outstanding on March 31, 2018 137,606,687 shares of Class A common stock and 13,997,357 shares of Class B common stock). Each share of Class B common stock is convertible at any time into one share of Class A common stock. Shares of common stock that may be acquired within 60 days following March 31, 2018 pursuant to the exercise of options or the vesting of RSUs are included in the holdings of each stockholder, as applicable, and are deemed to be outstanding for the purpose of computing the percentage ownership of such holder. Such amounts, however, are not included in the holdings of any other stockholder in the table and are not deemed to be outstanding for computing the percentage ownership of any other holder shown in the table. Beneficial ownership representing less than one percent is denoted with an "*."

 
  Shares Beneficially Owned    
 
  Class A
Common
Stock
  Class B
Common
Stock
   
 
  % Total Voting
Power(1)
Name of Beneficial Owner
  Shares   %   Shares   %

William Huyett(2)

      *         *   *

Meredith Kaya(3)

    82,681   *           *

(1)
Percentage total voting power represents voting power with respect to all shares of our Class A common stock and Class B common stock, as a single class, on matters in which holders of our Class B common stock are entitled to one vote per share. Each share of Class A common stock and each share of Class B common stock has one vote per share, except (a) on the following matters (on which each share of Class A common stock has one vote per share and each share of Class B common stock has ten votes per share), if submitted to a vote of stockholders: (i) adoption of a merger or consolidation agreement involving Ironwood; (ii) a sale of all or substantially all of Ironwood's assets; or (iii) a dissolution or liquidation of Ironwood; and (b) on every matter if and when any individual, entity or "group" (as such term is used in Regulation 13D of the Exchange Act) has, or has publicly disclosed (through a press release or a filing with the SEC) an intent to have, beneficial ownership of 30% or more of the number of outstanding shares of Class A common stock and Class B common stock, combined. Holders of shares of Class A common stock and Class B common stock vote together as a single class on all matters (including those set forth in this proxy statement) submitted to a vote of stockholders, unless otherwise required by our certificate of incorporation or bylaws. The Class B common stock is convertible at any time by the holder into shares of Class A common stock on a share-for-share basis.

(2)
Mr. Huyett joined Ironwood in December 2017.

(3)
Includes 76,532 shares of Class A common stock issuable to Ms. Kaya upon the exercise of options that are exercisable within 60 days following March 31, 2018.

Information Regarding Transactions in the Company's Securities by Participants

        The following table sets forth information regarding purchases and sales of the company's securities by each Participant during the past two years. No part of the purchase price or market value

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of these securities is represented by funds borrowed or otherwise obtained for the purpose of acquiring or holding such securities.


Company Securities Purchased or Sold
(April 1, 2016 through March 31, 2018)

Name
  Transaction Date   Number of Shares   Transaction Description  

Peter M. Hecht, Ph.D. 

  01/11/17     32,993     6  

  01/12/17     32,994     6  

  02/27/17     760,000     1  

  12/06/17     26,595     5  

  12/06/17     56,000     6  

  12/07/17     57,405     6  

  02/21/18     580,000     1  

Gina Consylman

  08/19/16     207     7  

  12/16/16     10,500     2  

  02/22/17     1,431     7  

  02/22/17     408     7  

  02/24/17     2,962     9  

  02/27/17     26,250     2  

  08/18/17     207     7  

  11/10/17     864     7  

  01/02/18     15,000     1  

  01/02/18     7,500     2  

  02/21/18     1,298     7  

  02/21/18     376     7  

  02/21/18     1,920     7  

  02/21/18     30,000     2  

  02/21/18     60,000     1  

Mark G. Currie, Ph.D. 

  10/31/16     300,000     5  

  12/07/16     2,500     11  

  01/06/17     34,013     5  

  01/18/17     55,987     5  

  02/22/17     1,800     7  

  02/27/17     250,000     1  

  03/14/17     60,000     5  

  03/14/17     60,000     9  

  12/07/17     1,500     11  

  01/24/18     60,000     6  

  02/21/18     1,634     7  

  02/21/18     215,000     1  

Halley E. Gilbert

  05/25/16     4,410     10  

  05/25/16     10,000     6  

  05/25/16     5,865     6  

  06/30/16     930     4  

  11/11/16     14,000     6  

  12/30/16     379     4  

  06/30/17     791     4  

  02/14/17     37,385     6  

  02/22/17     2,365     7  

  02/22/17     2,674     7  

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Name
  Transaction Date   Number of Shares   Transaction Description  

  02/27/17     80,000     1  

  02/27/17     40,000     2  

  06/22/17     35,000     6  

  12/29/17     347     4  

  02/21/18     2,987     7  

  02/21/18     2,343     7  

  02/21/18     2,411     7  

  02/21/18     35,000     2  

  02/21/18     70,000     1  

William Huyett

  01/02/18     337,500     1  

  01/02/18     56,250     2  

Thomas A. McCourt

  06/30/16     2,258     4  

  02/22/17     1,520     7  

  02/27/17     157,500     1  

  02/27/17     26,250     2  

  05/15/17     30,000     5  

  05/15/17     30,000     9  

  06/30/17     1,681     4  

  02/21/18     1,917     7  

  02/21/18     1,426     7  

  02/21/18     21,875     2  

  02/21/18     131,250     1  

Meredith Kaya

  11/11/16     607     7  

  12/16/16     2,625     2  

  12/16/16     15,750     1  

  02/22/17     145     7  

  02/22/17     293     7  

  02/27/17     5,000     2  

  02/27/17     10,000     1  

  05/01/17     3,000     2  

  05/01/17     2,000     1  

  11/10/17     218     7  

  11/10/17     618     7  

  12/15/17     6,000     1  

  02/01/18     1,000     2  

  02/01/18     6,000     1  

  02/21/18     266     7  

  02/21/18     134     7  

  02/21/18     442     7  

  02/21/18     270     7  

  02/21/18     3,125     2  

  02/21/18     18,750     1  

Andrew Dreyfus

  04/06/16     2,585     3  

  06/01/16     23,674     3  

  05/31/17     15,625     3  

Marsha H. Fanucci

  06/01/16     23,674     3  

  05/31/17     15,625     3  

Terrance G. McGuire

  06/01/16     23,674     3  

  06/15/16     196     3  

  09/15/16     166     3  

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Name
  Transaction Date   Number of Shares   Transaction Description  

  12/15/16     161     3  

  03/15/17     142     3  

  05/31/17     15,625     3  

  06/15/17     142     3  

  09/15/17     153     3  

  12/15/17     159     3  

  03/15/18     162     3  

Julie H. McHugh

  06/01/16     23,674     3  

  05/31/17     15,625     3  

  09/05/17     1,500     10  

  12/04/17     1,500     10  

  03/05/18     1,500     10  

Lawrence S. Olanoff

  06/01/16     23,674     3  

  06/03/16     2,200     10  

  09/06/16     3,200     10  

  12/05/16     3,200     10  

  03/03/17     3,200     10  

  05/31/17     15,625     3  

  06/08/17     3,200     10  

  09/05/17     2,000     10  

  12/04/17     2,000     10  

  03/05/18     2,000     10  

Edward P. Owens

  06/01/16     23,674     3  

  05/31/17     15,625     3  

Amy W. Schulman

  01/01/17     9,793     3  

  05/31/17     15,625     3  

Douglas E. Williams

  06/01/16     23,674     3  

  05/31/17     15,625     3  


Key to Abbreviations Used

  1   Grant of Stock Options
  2   Grant of RSUs
  3   Grant of Director Restricted Stock or Chair Award
  4   Purchase of Class A Common Stock pursuant to Employee Stock Purchase Plan
  5   Stock Option Exercise
  6   Stock Option Exercise and Open Market Sale of Underlying Shares Pursuant to 10b5-1 Plan in Effect at the Time of Sale
  7   Sale to Cover Taxes upon RSU Vestings Pursuant to 10b5-1 Plan in Effect at the Time of Sale
  8   Open Market Acquisition
  9   Open Market Sale
  10   Sale Pursuant to 10b5-1 Plan
  11   Gift

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Miscellaneous Information Regarding Participants

        Except as described in this Annex A or otherwise disclosed in this proxy statement, to the company's knowledge:

    No Participant owns any securities of the company which such Participant owns of record but not beneficially.

    No Participant is, or was within the past year, a party to any contract, arrangements or understandings with any person with respect to any securities of the company, including, but not limited to joint ventures, loan or option arrangements, puts or calls, guarantees against loss or guarantees of profit, division of losses or profits, or the giving or withholding of proxies.

    No associate of any Participant owns beneficially, directly or indirectly, any securities of the company. No Participant owns beneficially, directly or indirectly, any securities of any parent or subsidiary of the company.

    No Participant nor any associate of a Participant is a party to any transaction, since the beginning of the company's last fiscal year, or any currently proposed transaction, in which (i) the company was or is to be a participant, (ii) the amount involved exceeds $120,000 and (iii) any Participant or any related person thereof had or will have a direct or indirect material interest.

    No Participant, nor any associate of a Participant, has any arrangement or understanding with any person (i) with respect to any future employment by the company or its affiliates or (ii) with respect to any future transactions to which the company or any of its affiliate will or may be a party.

    No Participant has any substantial interest, direct or indirect, by security holdings or otherwise, in any matter to be acted upon at the annual meeting.

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IRONWOOD PHARMACEUTICALS, INC. YOUR VOTE IS IMPORTANT. PLEASE VOTE TODAY. We encourage you to take advantage of Internet or telephone voting. Both are available 24 hours a day, 7 days a week. Internet and telephone voting is available through 11:59 p.m., Eastern Time the day before the annual meeting date. VOTE BY INTERNET – WWW.CESVOTE.COM Use the Internet to transmit your voting instructions up until 11:59 p.m., Eastern Time the day before the annual meeting date. Have your WHITE proxy card in hand when you access the website and follow the instructions. OR VOTE BY TELEPHONE – 1-888-693-8683 If you are a holder of record, you may use a touch-tone telephone to transmit your voting instructions up until 11:59 p.m., Eastern Time the day before the annual meeting date. Have your WHITE proxy card in hand when you call and follow the instructions. OR VOTE BY MAIL Mark, sign and date your WHITE proxy card and return it in the postage-paid envelope we have provided to: Ironwood Pharmaceuticals, Inc., c/o Corporate Election Services, P.O. Box 3230, Pittsburgh, PA 15230. If you vote your proxy by Internet or by telephone, you do NOT need to mail back your proxy card Your Internet or telephone vote authorizes the named proxies to vote your shares in the same manner as if you marked, signed and returned your WHITE proxy card Important Notice Regarding the Availability of Proxy Materials for the Annual Meeting to be held on [•], 2018: Annual Report, Notice & Proxy Statement are available at www.ViewOurMaterial.com/IRWD If submitting a proxy by mail, please sign and date the card below and fold and detach card at perforation before mailing. Ð Ð The Board of Directors recommends you vote FOR the following: 1. Election of Directors: Nominees: The Board of Directors recommends you vote FOR the following proposal: 2. Approval, by non-binding advisory vote, of the compensation paid to the named executive officers. ‰ FOR ‰ AGAINST ‰ ABSTAIN (1) Lawrence S. Olanoff FOR ALL ‰ (2) Douglas E. Williams WITHHOLD ALL ‰ (3) Amy W. Schulman FOR ALL EXCEPT ‰ The Board of Directors recommends you vote FOR the following proposal: 3. Ratification of the selection of Ernst & Young LLP as the Company's independent registered public accounting firm for 2018. ‰ FOR ‰ AGAINST ‰ ABSTAIN To withhold authority to vote for any individual nominee(s), mark “For All Except” and write the number(s) of the nominee(s) on the line below. The Board of Directors recommends you vote AGAINST the following proposal: 4. Repeal of any provisions of our bylaws not included in the bylaws publicly filed as of March 27, 2018. ‰ FOR ‰ AGAINST ‰ ABSTAIN NOTE: In their discretion, the Proxies are authorized to vote upon such other business as may properly come before the meeting or any adjournment or postponement thereof. ‰ Please check here if you plan to attend this meeting. Signature Date Signature (Joint Owner) Date Please sign exactly as your name(s) appear(s) hereon. When signing as attorney, executor, administrator, or other fiduciary, please give full title as such. Joint owners should each sign personally. All holders must sign. If a corporation or partnership, please sign in full corporate or partnership name by authorized officer. CONTROL NUMBER Î PRELIMINARY SUBJECT TO COMPLETION Replacement Proxy Card....BG File buried

 


TO SUBMIT A PROXY BY MAIL, DETACH ALONG THE PERFORATION, Ð MARK, SIGN, DATE AND RETURN THE BOTTOM PORTION PROMPTLY USING THE ENCLOSED ENVELOPE. Ð IRONWOOD PHARMACEUTICALS, INC. [•], 2018 [•] [AM/PM] Eastern Time [•] WHITE PROXY THIS WHITE PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS The stockholder(s) hereby appoint(s) Peter M. Hecht and William Huyett, or either of them, as proxies, each with the power to appoint his substitute, and hereby authorize(s) them to represent and to vote, as designated on the reverse side of this ballot, all of the shares of common stock of IRONWOOD PHARMACEUTICALS, INC. that the stockholder(s) is/are entitled to vote at the Annual Meeting of Stockholders to be held at [•][AM/PM], Eastern Time on [•], 2018 at [•], and any adjournment or postponement thereof. The stockholder(s) hereby revoke(s) any proxy previously given and acknowledge(s) receipt of the notice and proxy statement for the Annual Meeting of Stockholders. This proxy, when properly executed, will be voted in the manner directed herein. If no such direction is made, this proxy will be voted in accordance with the recommendations of the Board of Directors. PLEASE COMPLETE, DATE, SIGN, AND MAIL THIS PROXY CARD PROMPTLY IN THE ENCLOSED POSTAGE-PAID ENVELOPE OR PROVIDE YOUR INSTRUCTIONS TO VOTE BY THE INTERNET OR BY TELEPHONE. (Continued and to be signed on the reverse side) PRELIMINARY SUBJECT TO COMPLETION

 


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