Calumet (CLMT) EVP exercises RSUs, surrenders shares for tax

Rhea-AI Filing Summary

Calumet, Inc. EVP – Specialties Scott Obermeier exercised 24,090 restricted stock units into common shares on March 9, 2026. Each unit was economically equivalent to one share of common stock. To satisfy tax withholding liabilities, he surrendered 10,584 common shares to the company rather than selling them in the market. After these compensation-related transactions, he directly owned 237,656 shares of Calumet common stock.

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Obermeier Scott

(Last) (First) (Middle)

1060 N CAPITOL AVE

SUITE 6-401

(Street)

INDIANAPOLIS IN 46204

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Calumet, Inc. /DE [ CLMT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP - SPECIALTIES

3. Date of Earliest Transaction (Month/Day/Year)
03/09/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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
Common Stock, par value $0.01 per share	03/09/2026		M		24,090	A	$0	248,240	D
Common Stock, par value $0.01 per share	03/09/2026		F		10,584(1)	D	$0	237,656	D

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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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: 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	(2)	03/09/2026		M			24,090	(3)	(3)	Common Stock, par value $0.01 per share	24,090	$0	0	D

Explanation of Responses:

1. The reporting person elected to surrender 10,584 shares of Calumet, Inc. common stock, par value $0.01 per share, to satisfy tax withholding liabilities upon delivery of common stock in accordance with Rule 16b-3.

2. Each Restricted Stock Unit is the economic equivalent of one share of Calumet, Inc. common stock, par value $0.01 per share.

3. 100% of the Restricted Stock Units vested on February 21, 2026.

	/s/ Connor J. Egan, as attorney-in-fact	03/10/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transaction did Calumet (CLMT) report for Scott Obermeier?

Calumet reported that EVP – Specialties Scott Obermeier exercised 24,090 restricted stock units into common stock. The transaction was compensation-related and did not involve an open-market purchase or sale of shares.

How many Calumet (CLMT) RSUs did Scott Obermeier exercise?

Scott Obermeier exercised 24,090 restricted stock units, each equal to one share of Calumet common stock. These RSUs had fully vested by February 21, 2026, and were then settled into common shares.

How were taxes handled on Scott Obermeier’s Calumet (CLMT) RSU vesting?

To cover tax withholding liabilities on the RSU delivery, Scott Obermeier surrendered 10,584 Calumet common shares to the company. This was a tax-withholding disposition under Rule 16b-3, not an open-market sale of stock.

How many Calumet (CLMT) shares does Scott Obermeier own after this Form 4?

Following the RSU exercise and related tax-withholding share surrender, Scott Obermeier directly owns 237,656 shares of Calumet common stock. This figure reflects his updated post-transaction holdings reported in the filing.

When did Scott Obermeier’s Calumet (CLMT) RSUs vest?

The restricted stock units reported for Scott Obermeier were 100% vested as of February 21, 2026. After vesting, they were settled into common stock and reported on the March 9, 2026 Form 4 transaction date.