FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Stone House Capital Management, LLC
2. Issuer Name and Ticker or Trading Symbol

CASTLE A M & CO [ CAS ]
5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                      __ X __ 10% Owner
_____ Officer (give title below)      _____ Other (specify below)
(Last)          (First)          (Middle)

950 THIRD AVENUE, 17TH FLOOR
3. Date of Earliest Transaction (MM/DD/YYYY)

6/1/2016
(Street)

NEW YORK, NY 10022
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

___ Form filed by One Reporting Person
_ X _ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock   6/1/2016     P    8160   (1) A   (1) 4000000   I   See Footnotes   (1) (2) (3) (4)

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Explanation of Responses:
( 1)  The shares of common stock of A.M. Castle & Co. (the "Shares") are directly beneficially owned by SH Capital Partners, L.P. ("Partners"), of which Stone House Capital Management, LLC ("Stone House") is the sole general partner and investment manager. Mark Cohen is the managing member of Stone House. On June 1, 2016, Mr. Cohen made a capital contribution of $100,000 to Partners, resulting in the acquisition by Mr. Cohen of an additional approximate .204% limited partner interest in Partners. Each of Stone House and Mr. Cohen disclaims beneficial ownership of the securities owned by Partners except to the extent of the pecuniary interest of Stone House and Mr. Cohen, respectively, therein.
( 2)  This statement is jointly filed by and on behalf of each of Stone House, Partners and Mr. Cohen. Partners is the record and direct beneficial owner of the securities covered by this statement. Stone House is the general partner and investment manager of, and may be deemed to beneficially own securities owned by, Partners. Mr. Cohen is the managing member of, and may be deemed to beneficially own securities owned by, Stone House.
( 3)  Each reporting person states that neither the filing of this statement nor anything herein shall be deemed an admission that such person is, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Act"), or otherwise, the beneficial owner of any securities covered by this statement. Each reporting person disclaims beneficial ownership of the securities covered by this statement, except to the extent of the pecuniary interest of such person in such securities.
( 4)  Each reporting person may be deemed to be a member of a group with respect to the issuer or securities of the issuer for purposes of Section 13(d) or 13(g) of the Act. Each reporting person declares that neither the filing of this statement nor anything herein shall be construed as an admission that such person is, for the purposes of Section 13(d) or 13(g) of the Act or any other purpose, a member of a group with respect to the issuer or securities of the issuer.

Remarks:
Exhibit Index

Exhibit 99.1 - Joint Filer Information (filed herewith)
Exhibit 99.2 - Joint Filing Agreement (filed herewith)

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Stone House Capital Management, LLC
950 THIRD AVENUE, 17TH FLOOR
NEW YORK, NY 10022

X

SH Capital Partners, L.P.
950 THIRD AVENUE, 17TH FLOOR
NEW YORK, NY 10022

X

Cohen Mark Alexander
950 THIRD AVENUE, 17TH FLOOR
NEW YORK, NY 10022

X


Signatures
STONE HOUSE CAPITAL MANAGEMENT, LLC, By: /s/ Mark Cohen, Name: Mark Cohen, Title: Managing Member 6/3/2016
** Signature of Reporting Person Date

SH CAPITAL PARTNERS, L.P., By: Stone House Capital Management, LLC, Its: General Partner, By: /s/ Mark Cohen, Name: Mark Cohen, Title: Managing Member 6/3/2016
** Signature of Reporting Person Date

MARK COHEN, /s/ Mark Cohen 6/3/2016
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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