John G. Boss - 04 Dec 2025 Form 4 Insider Report for Calumet, Inc. /DE (CLMT)

Role: Director
Signature: /s/ Connor J. Egan, as attorney-in-fact
Issuer symbol: CLMT
Transactions as of: 04 Dec 2025
Transactions value $: $0
Form type: 4
Filing time: 05 Dec 2025, 15:50:04 UTC
Previous filing: 10 Nov 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Boss John G.	Director	1060 N CAPITOL AVE, SUITE 6-401, INDIANAPOLIS	/s/ Connor J. Egan, as attorney-in-fact	05 Dec 2025	0001721965

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CLMT	Common Stock, par value $0.01 per share	Options Exercise	$0	+2,526	+9.26%	$0.000000	29,804	04 Dec 2025	Direct
transaction	CLMT	Common Stock, par value $0.01 per share	Sale	$0	-1,011	-3.39%	$0.000000	28,793	04 Dec 2025	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	CLMT	Restricted Stock Unit	Options Exercise	$0	-2,526	-100%	$0.000000	0	04 Dec 2025	Common Stock, par value $0.01 per share	2,526		Direct	F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The reporting person elected to receive 40% of Restricted Stock Units vested and reported here within to be settled in the cash equivalent of a Calumet, Inc. common share.
F2	Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.
F3	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. Restricted Stock Units are 100% vested.