Company: SSUP
Filing Date: 2025-07-09
Form Type: DEFA14A
Source: 0001193125-25-157148
Chunk: 1

Company: SUPERIOR INDUSTRIES INTERNATIONAL INC
Filing Date: 2025-07-09
Form: DEFA14A
Chunk 1
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 the Company (the “Common Stock”) from NYSE, which delisting became                        
 effective ten days after the Form 25 was filed. The deregistration of the Common Stock under Section 12(b) of the Securities Exchange Act of 1934, as amended, will be effective 90 days, or such shorter period as the U.S. Securities and 
 Exchange Commission may determine, after the filing of the Form 25. The Common Stock began trading on the OTC Pink Market on June 25, 2025 under the symbol “SSUP”.                                                                         |

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2of the Securities Exchange Act of 1934 (§240.12b-2of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Explanatory Note This Form 8-K/A is filed as an amendment (“Amendment No. 1”) to the Current Report on Form 8-K filed by Superior Industries International, Inc., a Delaware corporation (the “Company” or “Superior”), with the Securities and Exchange Commission on July 8, 2025 (the “July 8 Current Report”), in which Superior reported, among other events, the execution of the Merger Agreement, the Voting and Support Agreements, the Subscription Agreement and the RSA (each as defined below, and collectively, the “Transaction Documents”). The July 8 Current Report stated that each Transaction Document would be attached as an exhibit to an amendment to the July 8 Current Report. This Amendment No. 1 is being filed to amend only Item 1.01 and to attach the Transaction Documents previously summarized in Item 1.01 as exhibits hereto.

| Item 1.01. | Entry into a Material Definitive Agreement. |

The Merger Agreement On July 8, 2025, the Company, entered into an Agreement and Plan of Merger (the “ Merger Agreement”), by and among the Company, SUP Parent Holdings, LLC, a Delaware limited liability company (“ Parent”), and SUP Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Parent (“ Merger Sub”),