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

SCHEDULE 13D
(Rule 13d-101)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO
§ 240.13d-2(a)

(Amendment No. 2)1

Volcano Corporation
(Name of Issuer)

Common Stock, $0.001 par value per share
(Title of Class of Securities)

928645100
(CUSIP Number)
 
GLENN W. WELLING
ENGAGED CAPITAL, LLC
610 Newport Center Drive, Suite 250
Newport Beach, California 92660
(949) 734-7900
 
STEVE WOLOSKY, ESQ.
OLSHAN FROME WOLOSKY LLP
Park Avenue Tower
65 East 55th Street
New York, New York 10022
(212) 451-2300
(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)

December 17, 2014
(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box ¨.

Note:  Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits.  See § 240.13d-7 for other parties to whom copies are to be sent.


_______________
1              The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).
 
 
 

 
CUSIP NO. 928645100
 
1
NAME OF REPORTING PERSON
 
Engaged Capital Master Feeder I, LP
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
  (a) o
  (b) o
3
SEC USE ONLY
 
4
SOURCE OF FUNDS
 
WC
5
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
 
¨
6
CITIZENSHIP OR PLACE OF ORGANIZATION
 
CAYMAN ISLANDS
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
7
SOLE VOTING POWER
 
253,438
8
SHARED VOTING POWER
 
- 0 -
9
SOLE DISPOSITIVE POWER
 
253,438
10
SHARED DISPOSITIVE POWER
 
- 0 -
11
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
253,438
12
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
 
o
13
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 
Less than 1%
14
TYPE OF REPORTING PERSON
 
PN

 
2

 
CUSIP NO. 928645100
 
1
NAME OF REPORTING PERSON
 
Engaged Capital Master Feeder II, LP
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
  (a) o
  (b) o
3
SEC USE ONLY
 
4
SOURCE OF FUNDS
 
WC
5
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
 
¨
6
CITIZENSHIP OR PLACE OF ORGANIZATION
 
CAYMAN ISLANDS
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
7
SOLE VOTING POWER
 
337,042
8
SHARED VOTING POWER
 
- 0 -
9
SOLE DISPOSITIVE POWER
 
337,042
10
SHARED DISPOSITIVE POWER
 
- 0 -
11
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
337,042
12
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
 
o
13
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 
Less than 1%
14
TYPE OF REPORTING PERSON
 
PN

 
3

 
CUSIP NO. 928645100
 
1
NAME OF REPORTING PERSON
 
Pulse LP
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
  (a) o
  (b) o
3
SEC USE ONLY
 
4
SOURCE OF FUNDS
 
WC
5
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
 
¨
6
CITIZENSHIP OR PLACE OF ORGANIZATION
 
CAYMAN ISLANDS
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
7
SOLE VOTING POWER
 
824,745
8
SHARED VOTING POWER
 
- 0 -
9
SOLE DISPOSITIVE POWER
 
824,745
10
SHARED DISPOSITIVE POWER
 
- 0 -
11
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
824,745
12
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
 
o
13
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 
1.6%
14
TYPE OF REPORTING PERSON
 
PN

 
4

 
CUSIP NO. 928645100
 
1
NAME OF REPORTING PERSON
 
Engaged Capital I, LP
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
  (a) o
  (b) o
3
SEC USE ONLY
 
4
SOURCE OF FUNDS
 
OO
5
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
 
¨
6
CITIZENSHIP OR PLACE OF ORGANIZATION
 
DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
7
SOLE VOTING POWER
 
253,438
8
SHARED VOTING POWER
 
- 0 -
9
SOLE DISPOSITIVE POWER
 
253,438
10
SHARED DISPOSITIVE POWER
 
- 0 -
11
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
253,438
12
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
 
o
13
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 
Less than 1%
14
TYPE OF REPORTING PERSON
 
PN

 
5

 
CUSIP NO. 928645100
 
1
NAME OF REPORTING PERSON
 
Engaged Capital I Offshore, Ltd.
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
  (a) o
  (b) o
3
SEC USE ONLY
 
4
SOURCE OF FUNDS
 
OO
5
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
 
¨
6
CITIZENSHIP OR PLACE OF ORGANIZATION
 
CAYMAN ISLANDS
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
7
SOLE VOTING POWER
 
253,438
8
SHARED VOTING POWER
 
- 0 -
9
SOLE DISPOSITIVE POWER
 
253,438
10
SHARED DISPOSITIVE POWER
 
- 0 -
11
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
253,438
12
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
 
o
13
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 
Less than 1%
14
TYPE OF REPORTING PERSON
 
CO

 
6

 
CUSIP NO. 928645100
 
1
NAME OF REPORTING PERSON
 
Engaged Capital II, LP
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
  (a) o
  (b) o
3
SEC USE ONLY
 
4
SOURCE OF FUNDS
 
OO
5
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
 
¨
6
CITIZENSHIP OR PLACE OF ORGANIZATION
 
DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
7
SOLE VOTING POWER
 
337,042
8
SHARED VOTING POWER
 
- 0 -
9
SOLE DISPOSITIVE POWER
 
337,042
10
SHARED DISPOSITIVE POWER
 
- 0 -
11
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
337,042
12
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
 
o
13
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 
Less than 1%
14
TYPE OF REPORTING PERSON
 
PN

 
7

 
CUSIP NO. 928645100
 
1
NAME OF REPORTING PERSON
 
Engaged Capital II Offshore Ltd.
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
  (a) o
  (b) o
3
SEC USE ONLY
 
4
SOURCE OF FUNDS
 
OO
5
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
 
¨
6
CITIZENSHIP OR PLACE OF ORGANIZATION
 
CAYMAN ISLANDS
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
7
SOLE VOTING POWER
 
337,042
8
SHARED VOTING POWER
 
- 0 -
9
SOLE DISPOSITIVE POWER
 
337,042
10
SHARED DISPOSITIVE POWER
 
- 0 -
11
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
337,042
12
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
 
o
13
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 
Less than 1%
14
TYPE OF REPORTING PERSON
 
CO

 
8

 
CUSIP NO. 928645100
 
1
NAME OF REPORTING PERSON
 
Pulse Ltd.
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
  (a) o
  (b) o
3
SEC USE ONLY
 
4
SOURCE OF FUNDS
 
OO
5
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
 
¨
6
CITIZENSHIP OR PLACE OF ORGANIZATION
 
CAYMAN ISLANDS
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
7
SOLE VOTING POWER
 
824,745
8
SHARED VOTING POWER
 
- 0 -
9
SOLE DISPOSITIVE POWER
 
824,745
10
SHARED DISPOSITIVE POWER
 
- 0 -
11
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
824,745
12
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
 
o
13
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 
1.6%
14
TYPE OF REPORTING PERSON
 
CO

 
9

 
CUSIP NO. 928645100
 
1
NAME OF REPORTING PERSON
 
Engaged Capital, LLC
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
  (a) o
  (b) o
3
SEC USE ONLY
 
4
SOURCE OF FUNDS
 
OO
5
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
 
¨
6
CITIZENSHIP OR PLACE OF ORGANIZATION
 
DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
7
SOLE VOTING POWER
 
1,415,225
8
SHARED VOTING POWER
 
- 0 -
9
SOLE DISPOSITIVE POWER
 
1,415,225
10
SHARED DISPOSITIVE POWER
 
- 0 -
11
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
1,415,225
12
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
 
o
13
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 
2.7%
14
TYPE OF REPORTING PERSON
 
OO

 
10

 
CUSIP NO. 928645100
 
1
NAME OF REPORTING PERSON
 
Engaged Capital Holdings, LLC
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
  (a) o
  (b) o
3
SEC USE ONLY
 
4
SOURCE OF FUNDS
 
OO
5
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
 
¨
6
CITIZENSHIP OR PLACE OF ORGANIZATION
 
DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
7
SOLE VOTING POWER
 
1,415,225
8
SHARED VOTING POWER
 
- 0 -
9
SOLE DISPOSITIVE POWER
 
1,415,225
10
SHARED DISPOSITIVE POWER
 
- 0 -
11
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
1,415,225
12
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
 
o
13
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 
2.7%
14
TYPE OF REPORTING PERSON
 
OO

 
11

 
CUSIP NO. 928645100
 
1
NAME OF REPORTING PERSON
 
Glenn W. Welling
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
  (a) o
  (b) o
3
SEC USE ONLY
 
4
SOURCE OF FUNDS
 
OO
5
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
 
¨
6
CITIZENSHIP OR PLACE OF ORGANIZATION
 
USA
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
7
SOLE VOTING POWER
 
1,415,225
8
SHARED VOTING POWER
 
- 0 -
9
SOLE DISPOSITIVE POWER
 
1,415,225
10
SHARED DISPOSITIVE POWER
 
- 0 -
11
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
1,415,225
12
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
 
o
13
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 
2.7%
14
TYPE OF REPORTING PERSON
 
IN

 
12

 
CUSIP NO. 928645100
 
The following constitutes Amendment No. 2 to the Schedule 13D filed by the undersigned (“Amendment No. 2”). This Amendment No. 2 amends the Schedule 13D as specifically set forth herein.

Item 3.
Source and Amount of Funds or Other Consideration.
 
Item 3 is hereby amended and restated to read as follows:
 
The Shares purchased by each of Engaged Capital Master I, Engaged Capital Master II and Pulse LP were purchased with working capital (which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business) in open market purchases, except as otherwise noted, as set forth in Schedule A, which is incorporated by reference herein. The aggregate purchase price of the 253,438 Shares beneficially owned by Engaged Capital Master I is approximately $5,072,997, including brokerage commissions.  The aggregate purchase price of the 337,042 Shares beneficially owned by Engaged Capital Master II is approximately $6,285,391, including brokerage commissions.  The aggregate purchase price of the 824,745 Shares beneficially owned by Pulse LP is approximately $18,789,027, including brokerage commissions.
 
Item 5.
Interest in Securities of the Issuer.
 
Item 5(a) is hereby amended and restated to read as follows:
 
(a)           The aggregate percentage of Shares reported owned by each person named herein is based upon 51,610,342 Shares outstanding as of December 15, 2014, which is the total number of Shares outstanding as reported in Exhibit 2.1 of the Issuer’s Current Report on Form 8-K filed with the Securities and Exchange Commission on December 17, 2014.
 
As of the close of business on December 18, 2014, Engaged Capital Master I beneficially owned 253,438 Shares, constituting less than 1% of the Shares outstanding. Each of Engaged Capital I and Engaged Capital Offshore, as feeder funds of Engaged Capital Master I, may be deemed to beneficially own the 253,438 Shares owned by Engaged Capital Master I, constituting less than 1% of the Shares outstanding.
 
As of the close of business on December 18, 2014, Engaged Capital Master II beneficially owned 337,042 Shares, constituting less than 1% of the Shares outstanding. Each of Engaged Capital II and Engaged Capital Offshore II, as feeder funds of Engaged Capital Master II, may be deemed to beneficially own the 337,042 Shares owned by Engaged Capital Master II, constituting less than 1% of the Shares outstanding.
 
As of the close of business on December 18, 2014, Pulse LP beneficially owned 824,745 Shares, constituting approximately 1.6% of the Shares outstanding.  Pulse Ltd., as a feeder fund of Pulse LP, may be deemed to beneficially own the 824,745 Shares owned by Pulse LP, constituting approximately 1.6% of the Shares outstanding.
 
Engaged Capital, as the general partner and investment adviser of Engaged Capital Master I, Engaged Capital Master II and Pulse LP, may be deemed to beneficially own the 1,415,225 Shares owned in the aggregate by Engaged Capital Master I, Engaged Capital Master II and Pulse LP, constituting approximately 2.7% of the Shares outstanding.  Engaged Holdings, as the managing member of Engaged Capital, may be deemed to beneficially own the 1,415,225 Shares owned in the aggregate by Engaged Capital Master I, Engaged Capital Master II and Pulse LP, constituting approximately 2.7% of the Shares outstanding.  Mr. Welling, as the managing member and CIO of Engaged Capital and sole member of Engaged Holdings, may be deemed to beneficially own the 1,415,225 Shares owned in the aggregate by Engaged Capital Master I, Engaged Capital Master II and Pulse LP, constituting approximately 2.7% of the Shares outstanding.
 
 
13

 
CUSIP NO. 928645100
 
Item 5(c) is hereby amended and restated to read as follows:
 
(c)           Schedule A annexed hereto lists all transactions in securities of the Issuer by the Reporting Persons during the past 60 days.
 
Item 5(e) is hereby amended and restated to read as follows:
 
(e)           As of December 17, 2014, the Reporting Persons ceased to be the beneficial owners of more than 5% of the Shares of the Issuer.
 
 
14

 
CUSIP NO. 928645100
 
SIGNATURES
 
After reasonable inquiry and to the best of his knowledge and belief, the undersigned certifies that the information set forth in this statement is true, complete and correct.
 
Dated:  December 19, 2014

 
Engaged Capital Master Feeder I, LP
     
 
By:
Engaged Capital, LLC
General Partner
     
 
By:
/s/ Glenn W. Welling
   
Name:
Glenn W. Welling
   
Title:
Managing Member and Chief Investment Officer

 
Engaged Capital Master Feeder II, LP
   
 
By:
Engaged Capital, LLC
General Partner
   
 
By:
/s/ Glenn W. Welling
   
Name:
Glenn W. Welling
   
Title:
Managing Member and Chief Investment Officer

 
Pulse LP
     
 
By:
Engaged Capital, LLC
General Partner
   
 
By:
/s/ Glenn W. Welling
   
Name:
Glenn W. Welling
   
Title:
Managing Member and Chief Investment Officer

 
Engaged Capital I, LP
     
 
By:
Engaged Capital, LLC
General Partner
   
 
By:
/s/ Glenn W. Welling
   
Name:
Glenn W. Welling
   
Title:
Managing Member and Chief Investment Officer

 
Engaged Capital I Offshore, Ltd.
     
 
By:
/s/ Glenn W. Welling
   
Name:
Glenn W. Welling
   
Title:
Director
 
 
15

 
CUSIP NO. 928645100
 
 
Engaged Capital II, LP
     
 
By:
Engaged Capital, LLC
General Partner
   
 
By:
/s/ Glenn W. Welling
   
Name:
Glenn W. Welling
   
Title:
Managing Member and Chief Investment Officer

 
Engaged Capital II Offshore Ltd.
     
 
By:
/s/ Glenn W. Welling
   
Name:
Glenn W. Welling
   
Title:
Director

 
Pulse Ltd.
     
 
By:
Engaged Capital, LLC
Investment Adviser
   
 
By:
/s/ Glenn W. Welling
   
Name:
Glenn W. Welling
   
Title:
Managing Member and Chief Investment Officer

 
Engaged Capital, LLC
   
 
By:
/s/ Glenn W. Welling
   
Name:
Glenn W. Welling
   
Title:
Managing Member and Chief Investment Officer

 
Engaged Capital Holdings, LLC
   
 
By:
/s/ Glenn W. Welling
   
Name:
Glenn W. Welling
   
Title:
Sole Member

 
/s/ Glenn W. Welling
 
Glenn W. Welling
 
 
16

 
CUSIP NO. 928645100
 
SCHEDULE A
 
Transactions in Securities of the Issuer During the Past Sixty Days
 

Nature of the Transaction
Securities
Purchased/(Sold)
Price Per
Share($)
Date of
Purchase / Sale

ENGAGED CAPITAL MASTER FEEDER I, LP

Purchase of Common Stock1
323,044
 
14.6277
12/17/2014
Sale of Common Stock
(17,908)
 
17.8403
12/17/2014
Sale of Common Stock
(17,908)
 
17.8404
12/17/2014
Sale of Common Stock
(17,908)
 
17.8400
12/17/2014
Sale of Common Stock
(17,908)
 
17.8400
12/17/2014
Sale of Common Stock
(35,816)
 
17.8304
12/17/2014
Sale of Common Stock
(17,908)
 
17.8300
12/17/2014
Sale of Common Stock
(17,909)
 
17.8405
12/18/2014
Sale of Common Stock
(17,909)
 
17.8400
12/18/2014
Sale of Common Stock
(53,725)
 
17.8576
12/18/2014
Sale of Common Stock
(35,816)
 
17.8627
12/18/2014

ENGAGED CAPITAL MASTER FEEDER II, LP

Purchase of Common Stock
17,959
 
10.9721
11/20/2014
Purchase of Common Stock
20,000
 
11.0007
12/01/2014
Purchase of Common Stock
13,268
 
11.0403
12/01/2014
Purchase of Common Stock1
272,956
 
14.6277
12/17/2014
Sale of Common Stock
(23,816)
 
17.8403
12/17/2014
Sale of Common Stock
(23,816)
 
17.8404
12/17/2014
Sale of Common Stock
(23,816)
 
17.8400
12/17/2014
Sale of Common Stock
(23,816)
 
17.8400
12/17/2014
Sale of Common Stock
(47,631)
 
17.8304
12/17/2014
Sale of Common Stock
(23,816)
 
17.8300
12/17/2014
Sale of Common Stock
(23,815)
 
17.8405
12/18/2014
Sale of Common Stock
(23,815)
 
17.8400
12/18/2014
Sale of Common Stock
(71,446)
 
17.8576
12/18/2014
Sale of Common Stock
(47,631)
 
17.8627
12/18/2014

PULSE LP

Sale of Common Stock
(58,276)
 
17.8403
12/17/2014
Sale of Common Stock
(58,276)
 
17.8404
12/17/2014
Sale of Common Stock
(58,276)
 
17.8400
12/17/2014
Sale of Common Stock
(58,276)
 
17.8400
12/17/2014
Sale of Common Stock
(116,553)
 
17.8304
12/17/2014
Sale of Common Stock
(58,276)
 
17.8300
12/17/2014
Sale of Common Stock
(58,276)
 
17.8405
12/18/2014
Sale of Common Stock
(58,276)
 
17.8400
12/18/2014
Sale of Common Stock
(174,829)
 
17.8576
12/18/2014
Sale of Common Stock
(116,553)
 
17.8627
12/18/2014

____________________ 
1 Represents Shares acquired pursuant to the exercise of certain call options.
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