~~UNITED STATES~~

~~SECURITIES AND EXCHANGE COMMISSION~~

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

~~Pursuant to Section 13 OR 15(d)~~

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934

~~Date of Report (Date of earliest event reported): January 23, 2026~~

Date of Report (Date of earliest event reported): February 27, 2026

CALUMET, INC.

(Exact name of registrant as specified in its charter)

Delaware		001-42172		36-5098520
(State or other jurisdiction of incorporation)		(Commission File Number)		(IRS Employer Identification No.)

Delaware		001-42172		36-5098520
(State or other jurisdiction of incorporation)		(Commission File Number)		(IRS Employer Identification No.)

1060 N Capitol Ave

Suite 6-401

Indianapolis, Indiana 46204

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code (317) 328-5660

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities Registered Pursuant to Section 12(b) of the Act:

Title of each class		Trading symbol(s)		Name of each exchange on which registered
Common Stock, par value $0.01 per share		CLMT		The Nasdaq Stock Market LLC

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-2 of the Securities Exchange Act of 1934 (§240.12b-2 of 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. ☐

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

~~Ninth Amendment to Third Amended and Restated Credit Agreement~~

On January 23, 2026, Calumet, Inc. (the “Company”) entered into the Ninth Amendment to the Third Amended and Restated Credit Agreement (the “Ninth Amendment”). The Ninth Amendment amended the Third Amended and Restated Credit Agreement, dated as of February 23, 2018 (the “Credit Agreement”), by and among Calumet GP, LLC, Calumet Specialty Products Partners, L.P., certain subsidiaries of the Company party thereto, the lenders party thereto and Bank of America, N.A., as administrative agent. Among other changes, the Ninth Amendment modified the Credit Agreement to (i) extend the maturity date to January 23, 2031, (ii) provide for commitments of $500.0 million, subject to borrowing base limitations, (iii) revise certain covenants, representations and warranties, events of default and other terms to permit the Company or one or more of its subsidiaries to consummate one or more new inventory financing transactions, subject in each case to the Company’s satisfaction of certain customary conditions and (iv) provide for a reduction of commitments under the Credit Agreement from $500.0 million to $425.0 million if any such inventory financing transaction is consummated.

Item 2.0302 ~~Creation~~Results of aOperations ~~Direct~~and Financial ~~Obligation~~Condition.

~~The~~On ~~information~~February ~~set~~27, ~~forth~~2026, inCalumet, ~~Item 1~~Inc.01 reported results of ~~this~~operations ~~Current~~for ~~Report~~the onquarter ~~Form~~and ~~8-K~~year isended ~~incorporated~~December by31, ~~reference~~2025, ~~into~~pursuant ~~this~~to ~~Item~~a 2press release.03 A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

~~Item~~In 9accordance with General Instruction B.012 ~~Financial~~of ~~Statements~~Form 8-K, the information contained in this report shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liabilities of that section, nor shall such information and ~~Exhibits~~Exhibit be deemed incorporated by reference into any filing under the Securities Act of 1933 or the Securities Exchange Act of 1934, except as shall be expressly set forth by specific reference in such filing.

~~(d)~~Item ~~Exhibits~~9.01 Financial Statements and Exhibits.

ExhibitNo.		Exhibit Title or Description
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.
104		Cover Page Interactive Data File- the cover page XBRL tags are embedded within the Inline XBRL document.

(d) Exhibits.

~~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 hereunto duly authorized.

Exhibit No.		Description
99.1		Press release dated February 27, 2026.
104		Cover Page Interactive Data File- the cover page XBRL tags are embedded within the Inline XBRL document.

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 hereunto duly authorized.



	CALUMET, INC.


February 27, 2026	By:	/s/ David Lunin
		Name: David Lunin
		Title: Executive Vice President and Chief Financial Officer

CALUMET, INC.

Date: January 29, 2026

/s/ David Lunin

David Lunin

Executive Vice President and Chief Financial Officer

Filing Compare · Calumet, Inc. /DE