Calumet, Inc. /DE

For the period ended Jun 30, 2026. Filed Aug 7, 2026.

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2026 · Filed Aug 7, 2026

CLMT$36.06-9.0%Stored close · as of Nov 9, 2026

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Contents

Item 6. Exhibits

Exhibit Number	Description
3.1	Amended and Restated Certificate of Incorporation of Calumet, Inc. (incorporated by reference to Exhibit 3.1 to the Registrant’s Current Report on Form 8-K filed with the Commission on July 10, 2024).
3.2	Amended and Restated Bylaws of Calumet, Inc. (incorporated by reference to Exhibit 3.2 to the Registrant’s Current Report on Form 8-K filed with the Commission on July 10, 2024).
10.1*	Limited Conditional Waiver and Consent Agreement, dated as of June 30, 2026, among the United States Department of Energy, Montana Renewables, LLC, Montana Renewables Holdings LLC, Calumet, Inc., WPGG 14 United Aggregator, L.P. and Citibank, N.A., as collateral agent.
31.1*	Sarbanes-Oxley Section 302 certification of Todd Borgmann.
31.2*	Sarbanes-Oxley Section 302 certification of David Lunin.
32.1**	Section 1350 certification of Todd Borgmann and David Lunin.
100.INS*	Inline XBRL Instance Document
101.SCH*	Inline XBRL Taxonomy Extension Schema Document
101.CAL*	Inline XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF*	Inline XBRL Taxonomy Extension Definition Linkbase Document
101.LAB*	Inline XBRL Taxonomy Extension Label Linkbase Document
101.PRE*	Inline XBRL Taxonomy Extension Presentation Linkbase Document
104*	The cover page from the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2026, formatted in Inline XBRL (included within the Exhibit 101 attachments)

*Filed herewith.

**Furnished herewith.

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.

	CALUMET, INC.
Date: August 7, 2026	By:	/s/ David Lunin
		David Lunin
		Executive Vice President and Chief Financial Officer
		(Authorized Person and Principal Financial Officer)

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