CLMT Calumet, Inc. /De - 8-K

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On March 23, 2026, Jennifer G. Straumins notified the Board of Directors (the “Board”) of Calumet, Inc. (the “Company”) of her decision not to stand for re-election to the Board and to retire at the end of her term, which expires at the Company’s 2026 Annual Meeting of Stockholders. Her decision not to stand for re-election and to retire from the Board is not the result of any disagreement with the operations, policies or practices of the Company.

Item 7.01 Regulation FD Disclosure.

On March 25, 2026, the Company issued a press release announcing that Ms. Straumins will not stand for re-election to the Board as discussed above, a copy of which is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

In accordance with General Instruction B.2 of Form 8-K, the information contained in this Item 7.01, including Exhibit 99.1, shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall such information and Exhibit 99.1 be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

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Exhibit

No.

Exhibit Title or Description

99.1

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Press release, dated March 25, 2026.

104

Cover Page Interactive Data File- the cover page XBRL tags are embedded within the Inline XBRL document.

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