UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 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) – March 22, 2013 (March 18, 2013)

COOPER-STANDARD HOLDINGS INC.

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code (248) 596-5900

Check the appropriate box below in 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):

Item 1.01 Entry into a Material Definitive Agreement

On March 19, 2013, Cooper-Standard Holdings Inc. (the “Company”) entered into a purchase agreement (the “Purchase Agreement”) by and among the Company and Deutsche Bank Securities Inc., Merrill Lynch, Pierce, Fenner & Smith Incorporated, J.P. Morgan Securities LLC and UBS Securities LLC (the “Initial Purchasers”), providing for the issuance and sale of $175.0 million in aggregate principal amount of the Company’s senior PIK toggle notes due 2018 (the “Notes”) in an offering to qualified institutional buyers in accordance with Rule 144A under the Securities Act of 1933, as amended (the “Securities Act”) and to non-U.S. persons in transactions outside the United States in reliance on Regulation S under the Securities Act. The Notes will be sold at an initial offering price of 99.5% of their principal amount, and the offering is expected to close, subject to customary closing conditions, on April 3, 2013.

The Purchase Agreement contains customary representations, warranties, conditions to closing, indemnification rights and obligations of the parties and termination provisions.

On March 18, 2013, the Company entered into the Amendment No. 3 to Loan and Security Agreement (the “Amendment No. 3 to Loan and Security Agreement”), by and among the Company, Cooper-Standard Automotive Inc., certain other subsidiaries of the Company, various financial institutions, and Bank of America, N.A., as agent under that certain Loan and Security Agreement dated as of May 27, 2010 (as previously amended, the “Existing Loan Agreement”), which Amendment No. 3 to Loan and Security Agreement modified the Existing Loan Agreement to permit the issuance of the Notes, the tender offer (referenced below) and other related transactions, including the payment of fees and expenses, and implemented other necessary conforming and administrative changes to the Existing Loan Agreement in connection with the transactions.

The foregoing description of the Purchase Agreement and Amendment No. 3 to Loan and Security Agreement are qualified in their entirety by reference to the Purchase Agreement and Amendment No. 3 to Loan and Security Agreement, a copy of which are attached hereto as Exhibit 10.1 and 10.2, respectively, and are incorporated herein by reference.

Item 7.01. Regulation FD Disclosure.

On March 19, 2013, the Company issued a press release announcing its intention to commence a cash tender offer to purchase up to 4,651,162 shares of its common stock at price of $43.00 per share. The press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

On March 19, 2013, the Company issued a press release announcing the private offering of $175.0 million aggregate principal amount of senior PIK toggle notes due 2018. The press release is attached hereto as Exhibit 99.2 and is incorporated herein by reference.

The information set forth under Item 7.01 of this Current Report on Form 8-K and Exhibit 99.1 and 99.2 hereto are furnished pursuant to Item 7.01. Such information, including Exhibit 99.1 and Exhibit 99.2 attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, except as shall be expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits

(c) Exhibits.

The following exhibits are furnished pursuant to Item 9.01 of Form 8-K:

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 thereunto duly authorized.

Date: March 22, 2013

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