FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   SGF, LLC 2. Date of Event Requiring Statement (Month/Day/Year) 08/31/2017 3. Issuer Name and Ticker or Trading Symbol CASTLE A M & CO [CASLQ] (Last) (First) (Middle) 30 NORTH LASALLE STREET, SUITE 1232 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) CHICAGO, IL 60602 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 0 D (1) Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
SGF, LLC 30 NORTH LASALLE STREET, SUITE 1232 CHICAGO, IL 60602	  X	Â	Â	Â

Signatures

SGF, LLC, By: /s/ Reuben S. Donnelly, Managing Member		09/05/2017
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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).
(1)	The Reporting Person is associated with an extended family group and various trusts, estates and estate planning vehicles established by certain deceased and surviving family members. Jonathan Mellin ("Mr. Mellin") acts in various capacities with respect to the family interests and has been deputized by certain family members, trusts, estates and estate planning vehicles (the "Deputizing Persons"), including the Reporting Person, to serve on the board of directors of the reorganized Issuer. The Reporting Person (together with certain of the other Deputizing Persons) may be deemed to constitute a group pursuant to Rule 13d-5(b) of the Securities Exchange Act of 1934. The Reporting Person disclaims beneficial ownership of any shares of New Common Stock held by any other Deputizing Person, except to the extent of any pecuniary interest the Reporting Person may have.
  Remarks: Please reference footnote (1) where an "X" is placed next to Director in Item 4 on the cover page and where an "X" is placed in the Director column in the Reporting Owners Table above.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

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