Ownership Submission
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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(Print or Type Responses)
1. Name and Address of Reporting Person *
SIMPSON MICHAEL
   2. Issuer Name and Ticker or Trading Symbol
CASTLE A M & CO [CAS] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
3400 NORTH WOLF ROAD		 3. Date of Earliest Transaction (Month/Day/Year)
05/29/2007
(Street)

FRANKLIN PARK, IL 60131		 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 (1) 05/30/2007   I   1,446 (1) A $ 34.58 3,219 D  
Common Stock 05/29/2007   P   75,050.96 A $ 0 (2) 85,596.96 (3) I Note 1
Common Stock 05/29/2007   S   75,050.96 D $ 31.1 10,546 (3) I Note 1
Preferred Stock 05/29/2007   S   500 D $ 0 (2) 0 I Note 1
Common Stock 05/29/2007   P   56,288.22 A $ 0 (4) 79,069.22 (5) I Note 2
Common Stock 05/29/2007   S   56,288.22 D $ 31.1 22,781 (5) I Note 2
Preferred Stock 05/29/2007   S   375 D $ 0 (4) 0 I Note 2
Common Stock               262,433 (6) I Note 3
Common Stock               20,992 (7) I Note 4
Common Stock 05/29/2007   P   15,010.19 A $ 0 (8) 264,378.19 (9) (10) I Note 5
Common Stock 05/29/2007   J(11)   91,496 D $ 0 (11) 172,882.19 (9) (10) I Note 5
Common Stock 05/29/2007   S   15,010.19 D $ 31.1 157,872 (9) (10) I Note 5
Preferred Stock 05/29/2007   S   100 D $ 0 (8) 0 I Note 5

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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
Stock Options (Right to buy) $ 7.05             10/04/2003 10/04/2012 Common Stock 6,000   6,000 D  
Stock Options (Right to buy) $ 8.52             06/01/2005 06/01/2014 Common Stock 7,500   7,500 D  
Stock Options (Right to buy) $ 10             07/27/2001 07/27/2010 Common Stock 10,000   10,000 D  
Stock Options (Right to buy) $ 10.35             06/03/2003 06/03/2012 Common Stock 5,000   5,000 D  
Stock Options (Right to buy) $ 11             07/26/2002 07/26/2011 Common Stock 10,000   10,000 D  
Stock Options (Right to buy) $ 14.22             07/01/2006 07/01/2015 Common Stock 7,500   7,500 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
SIMPSON MICHAEL
3400 NORTH WOLF ROAD
FRANKLIN PARK, IL 60131		   X      

Signatures

 Jerry M. Aufox   05/30/2007
**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).
(10) Note 5 - Beneficiary under Trust dated 12/19/80, Patrick J. Herbert, III, Trustee (stock acquired by Trust)
(6) Note 3 - Beneficiary under Trust dated 07/26/1972 United States Trust Co., and Patrick J. Herbert, III, Trustee
(2) The reporting person converted 500 shares of Convertible Preferred Stock on May 29, 2007 at a conversion price of $6.69 per share plus accrued interest resulting in his acquisiton of 75,050.96 shares of common stock. The Convertible Preferred Stock had a face value of $1,000 per share and was convertible into common stock at a conversion price of $6.69 per share of preferred stock. The convertible preferred stock was convertible into common stock at any time by the holder on a 149.4768 for one basis plus accrued interest at the same conversion rate and had no expiration date.
(9) Note 5 - Beneficiary under Trust dated 12/19/80, Patrick J. Herbert, III, Trustee (stock acquired by Trust)
(7) Note 4 - Beneficiary under Trust dated 12/23/1976 Northern Trust Co., Trustee
(1) Restricted stock awarded to Directors as of April 27, 2007 valued at closing common stock price on April 27, 2007 with one year vesting.
(5) Note 2 - Beneficiary under Trust dated 07/24/1968 United States Trust Co., Trustee
(4) The reporting person converted 375 shares of Convertible Preferred Stock on May 29, 2007 at a conversion price of $6.69 per share, resulting in his acquisition of 56,288.22 shares of common stock. The Convertible Stock had a face value of $1,000 per share and was convertible into common stock at a conversion price of $6.69 per share of preferred stock. The convertible preferred stock was convertible into common stock at any time by the holder on a 149.4768 for one basis plus accured interest at the same conversation rate and had no expiration date.
(3) Note 1 - Beneficiary under Trust dated 12/07/1949 United States Trust Co., Trustee
(8) The reporting person converted 100 shares of Convertible Preferred Stock on May 29, 2007 at a conversion price of $6.69 per share plus accrued interest resulting in his acquisition of 15,010.19 shares of common stock. The Convertible Stock had a face value of $1,000 per share and was convertible into common stock at a conversion price of $6.69 per share of preferred stock. The convertible preferred stock was convertible into common stock at any time by the holder on a 149.4768 for one basis plus accrued interest at the same conversion rate and had no expiration date.
(11) Adjusted to reflect actual number of shares in which Mr. Simpson has a beneficial interest - not the number of shares held by the Trust.

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