Sec Form 4 Filing - Boss John G. @ Calumet, Inc. /DE - 2024-08-06

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Boss John G. 2. Issuer Name and Ticker or Trading Symbol Calumet, Inc. /DE [ CLMT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 2780 WATERFRONT, PARKWAY E. DRIVE, SUITE 200 3. Date of Earliest Transaction (MM/DD/YY) 08/06/2024 (Street) INDIANAPOLIS, IN46214 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price

< td style="text-align: center;"> Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Restricted Stock Unit ( 1 ) 08/06/2024 A 1,611 ( 2 ) ( 2 ) Common Stock, par value $0.01 per share 1,611 $ 0 1,611 D Restricted Stock Units ( 1 ) 08/06/2024 A 537 ( 3 ) ( 3 ) Common Stock, par value $0.01 per share 537 $ 0 537 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Boss John G. 2780 WATERFRONT, PARKWAY E. DRIVE SUITE 200 INDIANAPOLIS, IN46214 X Signatures /s/ Vincent Donargo, as attorney-in-fact 08/08/2024 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share. ( 2 )Each Restricted Stock Unit becomes payable either in the form of one share of Calumet, Inc. common stock, par value $0.01 per share, or the cash value thereof upon the earlier of the date specified by the reporting person or the reporting person's termination date. Restricted Stock Units are 100% vested. ( 3 )Each Restricted Stock Unit becomes payable either in the form of one share of Calumet, Inc. common stock, par value $0.01 per share, or the cash value thereof upon the earlier of the date specified by the reporting person or the reporting person's termination date pursuant to the Deferred Compensation Plan. 25% of the Restricted Stock Units vest on July 1 of each year beginning on July 1, 2025.

Remarks: On July 10, 2024, Calumet, Inc. became the successor issuer to, and parent holding company of, Calumet Specialty Products Partners, L.P. (the "Partnership") pursuant to the previously reported corporate reorganization in which all of the Partnership's outstanding common units representing limited partner interests were automatically exchanged into an equal number of shares of Calumet, Inc. common stock, par value $0.01 per share.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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