Calumet, Inc. /DE

For the period ended Mar 31, 2026. Filed May 8, 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.

Mar 31, 2026 · Filed May 8, 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).

4.1		Indenture, dated January 12, 2026, by and among Calumet Specialty Products Partners, L.P., Calumet Finance Corp., the guarantors party thereto and Wilmington Trust, National Association, as trustee (incorporated by reference to Exhibit 4.1 to the Registrant’s Current Report on Form 8-K filed with the Commission on January 12, 2026).

4.2		Form of 9.75% Senior Notes due 2031 (included in Exhibit 4.1).

10.1		Ninth Amendment to Third Amended and Restated Credit Agreement, dated as of January 23, 2026, by and among Calumet, Inc., Bank of America, N.A. and the other parties signatory thereto (incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K filed with the Commission on January 29, 2026).

10.2		Tenth Amendment to Third Amended and Restated Credit Agreement, dated as of March 12, 2026, by and among the Company, Bank of America, N.A. and the other parties signatory thereto (incorporated by referenced to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K filed with the Commission on March 13, 2026).

10.3*		Limited Conditional Waiver and Consent Agreement, dated as of February 10, 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.

10.4*		Limited Waiver Agreement, dated as of March 30, 2026, by and between the United States Department of Energy and Montana Renewables, LLC.

10.5*		Second Omnibus Amendment Agreement, dated as of March 30, 2026, by and among the Company and J. Aron & Company LLC.

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 March 31, 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: May 8, 2026	By:	/s/ David Lunin
			David Lunin
			Executive Vice President and Chief Financial Officer
			(Authorized Person and Principal Financial Officer)

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.