Company: SSUP
Filing Date: 2025-07-08
Form Type: DEFA14A
Source: 0001193125-25-156514
Chunk: 13

Company: SUPERIOR INDUSTRIES INTERNATIONAL INC
Filing Date: 2025-07-08
Form: DEFA14A
Chunk 13
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 subject to, and is qualified in its entirety by reference to the RSA, a copy of which will be filed as an exhibit to an amendment of this Current Report on Form 8-K.

| Item 3.02 | Unregistered Sales of Equity Securities. |

The information set forth under the heading “Subscription Agreement” in Item 1.01 above is incorporated by reference into this Item 3.02. This report shall not constitute an offer to sell or a solicitation of an offer to buy nor shall there be any sale of these Subscription Shares in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of any such state or jurisdiction.

| Item 7.01 | Regulation FD Disclosure. |

On July 8, 2025, the Company and Parent issued a joint press release announcing that they have entered into the Merger Agreement, the RSA and related transactions. A copy of the press release is attached as Exhibit 99.1 to this Current Report on Form 8-Kand is incorporated herein by reference. The information provided under Item 7.01 of this Current Report on Form 8-K,including Exhibit 99.1, is being furnished and is not deemed to be “filed” with the SEC for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “ Exchange Act”) or otherwise subject to the liabilities of that section and is not incorporated by reference into any filing of the Company under the Securities Act, or the Exchange Act, whether made before or after the date hereof, except as shall be expressly set forth by specific reference to this Current Report on Form 8-Kin such a filing.

| Item 9.01 | Financial Statements and Exhibits. |

(d) Exhibits:

| Exhibit 
 Number  
 99.1    |     | Exhibit                                                                     
 Description                                                                 
 Joint Press Release, dated July 8, 2025.                                    |
|:--------|:----|:----------------------------------------------------------------------------|
| 104     |     | Cover Page Interactive Data File (embedded within the Inline XBRL document) |

Cautionary Statement Regarding Forward-Looking Statements This current report on Form 8-Kcontains “forward-looking statements” within the meaning of the federal securities laws, including Section 27A of the Securities Act and Section 21E of the Exchange Act. In this context, forward-looking statements often address future business and financial events, conditions, expectations