UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 2, 2007 --------------- A. M. Castle & Co. --------------------------------------------------------------------- (Exact name of registrant as specified in its charter) Maryland 1-5415 36-0879160 -------- ------ ---------- (State or other (Commission (IRS Employer jurisdiction File Number) Identification No. of incorporation) 3400 N. Wolf Road, Franklin Park, Illinois 60131 --------------------------------------------------------------------- (Address of principal executive offices) (Zip Code) Registrant's telephone number including area code 847/455-7111 ------------ _____________________________________________________________________ (Former name or former address if changed since last report.) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below): [ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13 e-4(c) under the Exchange Act (17 CFR 240.13 e-4(c)) ITEM 7.01. REGULATION FD DISCLOSURE On October 2, 2007, A. M. Castle & Co. (the "Registrant") sold one hundred percent (100%) of its membership interest in Metal Mart, LLC (the "Metal Mart"), a wholly owned subsidiary of Registrant, to Metal Supermarkets (Chicago), Ltd., a unit of Metal Supermarkets Corp. for $6,906,625.00, which represented the Registrant's net book value in Metal Mart as of June 30, 2007. A copy of the Registrant's press release announcing the sale of Metal Mart, dated October 2, 2007, is attached hereto as Exhibit 99. ITEM 9.01. FINANCIAL STATEMENTS AND EXHIBITS (d) Exhibits Exhibit No. Description ------- ----------------------------------------------------- 99 Press Release dated October 2, 2007 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. A. M. Castle & Co. /s/ Sherry L. Holland ---------------------------------- Sherry L. Holland Vice President General Counsel and Secretary Date October 2, 2007 EXHIBIT INDEX Exhibit No. Description ------- --------------------------------------------------------- 99 Press Release dated October 2, 2007