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. 7) 1

A. M. Castle & Co.
(Name of Issuer)

Common Stock, $0.01 par value
(Title of Class of Securities)

148411101
(CUSIP Number)
 
Stone House Capital Management, LLC
Attn: Mark Cohen
950 Third Avenue, 17th Floor
New York, NY 10022
  (212) 543-1500
(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)

November 17, 2016
(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. 148411101
 
1
NAME OF REPORTING PERSON
 
Stone House Capital Management, LLC
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
  (a)  x
  (b)  o
3
SEC USE ONLY
 
4
SOURCE OF FUNDS
 
AF
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
 
- 0 -
8
SHARED VOTING POWER
 
2,800,000
9
SOLE DISPOSITIVE POWER
 
- 0 -
10
SHARED DISPOSITIVE POWER
 
2,800,000
11
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
2,800,000
12
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
 
o
13
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 
8.6%
14
TYPE OF REPORTING PERSON
 
OO, IA

 
2

 
CUSIP NO. 148411101
 
1
NAME OF REPORTING PERSON
 
SH Capital Partners, L.P.
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
  (a)  x
  (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
 
Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
7
SOLE VOTING POWER
 
- 0 -
8
SHARED VOTING POWER
 
2,800,000
9
SOLE DISPOSITIVE POWER
 
- 0 -
10
SHARED DISPOSITIVE POWER
 
2,800,000
11
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
2,800,000
12
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
 
o
13
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 
8.6%
14
TYPE OF REPORTING PERSON
 
PN

 
3

 
CUSIP NO. 148411101
 
1
NAME OF REPORTING PERSON
 
Mark Cohen
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
  (a)  x
  (b)  o
3
SEC USE ONLY
 
4
SOURCE OF FUNDS
 
AF
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
 
- 0 -
8
SHARED VOTING POWER
 
2,800,000
9
SOLE DISPOSITIVE POWER
 
- 0 -
10
SHARED DISPOSITIVE POWER
 
2,800,000
11
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
2,800,000
12
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
 
o
13
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 
8.6%
14
TYPE OF REPORTING PERSON
 
IN

 
4

 
CUSIP NO. 148411101
 
The following constitutes the Schedule 13D filed by the undersigned (the “Schedule 13D”). The following constitutes Amendment No. 7 to the Schedule 13D filed by the undersigned (“Amendment No. 7”).  This Amendment No. 7 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 Reporting Persons expended an aggregate of approximately $10,386,737 (including commissions) to acquire 2,800,000 shares of Common Stock of the Issuer in various open market transactions. Funds used to acquire shares of Common Stock of the Issuer have come from general working capital of Partners.
 
Item 5.
Interest in Securities of the Issuer .
 
Items 5(a)-(c) are hereby amended and restated to read as follows:
 
The aggregate percentage of Shares reported owned by each person named herein is based upon 32,549,823 Shares outstanding as of November 4, 2016, which is the total number of Shares outstanding as reported in the Issuer’s Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 9, 2016.
 
A.
Stone House
 
 
(a)
Stone House, as general partner of Partners, may be deemed the beneficial owner of the 2,800,000 Shares owned by Partners.
 
Percentage: Approximately 8.6%
 
 
(b)
1. Sole power to vote or direct vote: 0
 
2. Shared power to vote or direct vote: 2,800,000
 
3. Sole power to dispose or direct the disposition: 0
 
4. Shared power to dispose or direct the disposition: 2,800,000

 
(c)
Stone House has not entered into any transactions in the Shares since the filing of Amendment No. 6 to the Schedule 13D.  The transactions in the Shares on behalf of Partners since the filing of Amendment No. 6 to the Schedule 13D are set forth in Schedule A and are incorporated herein by reference.
 
B.
Partners
 
 
(a)
As of November 21, 2016, Partners beneficially owned 2,800,000 Shares.
 
Percentage: Approximately 8.6%
 
 
(b)
1. Sole power to vote or direct vote: 0
 
2. Shared power to vote or direct vote: 2,800,000
 
3. Sole power to dispose or direct the disposition: 0
 
4. Shared power to dispose or direct the disposition: 2,800,000

 
(c)
The transactions in the Shares by Partners since the filing of Amendment No. 6 to the Schedule 13D are set forth in Schedule A and are incorporated herein by reference.
 
 
5

 
CUSIP NO. 148411101
 
C.
Mr. Cohen
 
 
(a)
Mr. Cohen, as the managing member of Stone House, may be deemed the beneficial owner of the 2,800,000 Shares owned by Partners.
 
Percentage: Approximately 8.6%
 
 
(b)
1. Sole power to vote or direct vote: 0
 
2. Shared power to vote or direct vote: 2,800,000
 
3. Sole power to dispose or direct the disposition: 0
 
4. Shared power to dispose or direct the disposition: 2,800,000

 
(c)
Mr. Cohen has not entered into any transactions in the Shares since the filing of Amendment No. 6 to the Schedule 13D.  The transactions in the Shares on behalf of Partners since the filing of Amendment No. 6 to the Schedule 13D are set forth in Schedule A and are incorporated herein by reference.
 
The Reporting Persons, as members of a “group” for the purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended, may be deemed the beneficial owner of the Shares directly owned by the other Reporting Persons.  Each Reporting Person disclaims beneficial ownership of such Shares except to the extent of his or its pecuniary interest therein.
 
 
6

 
CUSIP NO. 148411101
 
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: November 21, 2016

 
STONE HOUSE CAPITAL MANAGEMENT, LLC
   
 
By:
/s/ Mark Cohen
   
Name:
Mark Cohen
   
Title:
Managing Member


 
SH CAPITAL PARTNERS, L.P.
   
 
By:
Stone House Capital Management, LLC,
its General Partner
     
 
By:
/s/ Mark Cohen
   
Name:
Mark Cohen
   
Title:
Managing Member


 
/s/ Mark Cohen
 
Mark Cohen
 
 
7

 
CUSIP NO. 148411101
 
SCHEDULE A

Transactions in the Securities of the Issuer Since the Filing of Amendment No. 6 to the Schedule 13D


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

SH CAPITAL PARTNERS, L.P.
 
Sale of Common Stock
(110,691)
0.4808
11/15/2016
Sale of Common Stock
(100,000)
0.4786
11/16/2016
Sale of Common Stock
(136,918)
0.4505
11/17/2016
Sale of Common Stock
(204,326) 0.4109
11/18/2016
Sale of Common Stock
(200,000) 0.4130
11/21/2016