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 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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1. Name and Address of Reporting Person * HOOKS STEPHEN V   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 _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) President, Castle Metals (Last) (First) (Middle) 1420 KENSINGTON ROAD, SUITE 220 3. Date of Earliest Transaction (Month/Day/Year) 12/31/2011 (Street) OAK BROOK, IL 60523 4. If Amendment, Date Original Filed(Month/Day/Year) 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 Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction 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 12/31/2011   F   3,962 D $ 9.46 60,713 D   Common Stock 12/31/2011   M   9,150 A $ 0 69,863 D   Common Stock 12/31/2011   F   2,877 D $ 9.46 66,986 D   Common Stock               2,404.05 I Through 401(k) Plan (1) Common Stock               589.5688 I Through PAYSOP Plan

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction 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 (Month/Day/Year)

7. Title and Amount of Underlying Securities (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

Restricted Stock Units

(2)

12/31/2011

M

9,150

(2)

(2)

Common Stock

9,150

$ 0

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
HOOKS STEPHEN V 1420 KENSINGTON ROAD SUITE 220 OAK BROOK, IL 60523			President, Castle Metals

Signatures

Robert J. Perna, Attorney-in-Fact		01/04/2012
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Between January 31, 2011 and November 30, 2011, the reporting person's balance decreased by 1.27 shares of common stock under the A.M. Castle & Co. 401(k) Plan. The information in this report is based on a plan statement dated as of November 30, 2011.
(2)	Represents accelerated vesting of unvested restricted stock units granted on March 18, 2010, pursuant to the terms of a separation agreement with the reporting person. Each unit converted into a share of A.M. Castle & Co. common stock on a one-for-one basis.

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