CompoSecure (CMPO) CRO files Form 4 for RSU tax-withholding events

Rhea-AI Filing Summary

CompoSecure, Inc. Chief Revenue Officer Amanda "Mandy" Gourbault reported routine equity compensation-related transactions in Class A Common Stock. On January 1, 2026, the company withheld 25,870, 14,768 and 18,119 shares, and on January 2, 2026 it withheld an additional 15,868 shares, all at $19.28 per share, to cover tax obligations tied to vested restricted stock units (RSUs).

The withheld shares relate to RSU awards originally granted in 2022, 2023 and 2024, which were adjusted in connection with the spin-off of Resolute Holdings Management, Inc. The filing notes that certain time-vesting RSUs, including 62,650 2024 time-vesting RSUs, are scheduled to vest on January 1, 2027, while 187,952 performance-vesting RSUs may vest based on performance targets over the applicable period.

After these tax-withholding transactions, Gourbault directly beneficially owns 725,043 Class A shares, including 399,097 current shares and additional RSUs that are scheduled to vest between 2027 and 2032, subject to continued service and performance conditions.

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^*

Gourbault Amanda Mandy

(Last) (First) (Middle)

C/O COMPOSECURE, INC.

309 PIERCE STREET

(Street)

SOMERSET NJ 08873

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
CompoSecure, Inc. [ CMPO ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Revenue Officer

3. Date of Earliest Transaction (Month/Day/Year)
01/01/2026

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
Class A Common Stock	01/01/2026		F		25,870(1)	D	$19.28	773,798	D
Class A Common Stock	01/01/2026		F		14,768(2)	D	$19.28	759,030	D
Class A Common Stock	01/01/2026		F		18,119(3)	D	$19.28	740,911	D
Class A Common Stock	01/02/2026		F		15,868(4)	D	$19.28	725,043(5)(6)	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

Explanation of Responses:

1. Reflects the number of shares withheld in satisfaction of applicable tax withholding obligations in connection with the net settlement of 87,722 restricted stock units ("RSUs") that vested on January 1, 2026. These RSUs were originally granted on March 16, 2022 in the aggregate amount of 300,000 RSUs and were adjusted in connection with the spin-off of Resolute Holdings Management, Inc. (the "Spin-Off") to include an additional 12,722 RSUs.

2. Reflects the number of shares withheld in satisfaction of applicable tax withholding obligations in connection with the net settlement of 51,064 RSUs that vested on January 1, 2026. These RSUs were originally granted on March 8, 2023 in the aggregate amount of 130,976 RSUs and were adjusted in connection with the Spin-Off to include an additional 7,406 RSUs.

3. Reflects the number of shares withheld in satisfaction of applicable tax withholding obligations in connection with the net settlement of 62,651 RSUs that vested on January 1, 2026. These RSUs were originally granted on March 15, 2024 in the aggregate amount of 160,694 RSUs and were adjusted in connection with the Spin-Off to include an additional 18,172 RSUs, for which the remaining 62,650 RSUs (the "2024 Unvested Time-Vesting RSUs") will continue to vest on January 1, 2027, subject to the reporting person's continued service as of the vesting date.

4. Reflects the number of shares withheld in satisfaction of applicable tax withholding obligations in connection with the net settlement of 53,325 performance-vesting RSUs that vested on January 1, 2026.

5. Includes (A) 399,097 shares of Class A Common Stock owned by the reporting person, inclusive of shares previously purchased by the reporting person under the Company's Employee Stock Purchase Plan, (B) 73,980 shares of Class A Common Stock underlying RSUs, which will vest in three equal installments on February 26, 2028, February 26, 2030 and February 26, 2032, and (C) 62,650 shares of Class A Common Stock underlying the 2024 Unvested Time-Vesting RSUs that will vest on January 1, 2027, subject in each case to the reporting person's continued service as of the applicable vesting date. The RSUs will be settled into Class A Common Stock upon vesting and may be settled net of shares withheld to pay applicable taxes.

6. Includes 187,952 performance-vesting RSUs, which will vest over the applicable performance period based on the achievement of the provided performance targets, as set forth in the respective governing award agreement, subject in each case to the reporting person's continued service as of the vesting date of January 1, 2027. The RSUs will be settled into Class A Common Stock upon vesting and may be settled net of shares withheld to pay applicable taxes.

	/s/ Amanda Gourbault, by attorney-in-fact Steven J. Feder	01/08/2026
	** 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 activity did CompoSecure (CMPO) report for Amanda Gourbault?

The Chief Revenue Officer, Amanda "Mandy" Gourbault, reported that shares of Class A Common Stock were withheld on January 1, 2026 and January 2, 2026 to satisfy tax withholding obligations related to vested restricted stock units.

How many CompoSecure (CMPO) shares were withheld for taxes in this Form 4?

The company withheld 25,870, 14,768, and 18,119 Class A shares on January 1, 2026, and 15,868 shares on January 2, 2026, all at a price of $19.28 per share, to cover tax obligations on vested RSUs.

How many CompoSecure (CMPO) shares does Amanda Gourbault own after these transactions?

Following the reported tax-withholding transactions, Amanda Gourbault directly beneficially owns 725,043 shares of CompoSecure Class A Common Stock, including current holdings and RSUs scheduled to vest in future years.

What RSU grants are referenced in the CompoSecure (CMPO) Form 4 filing?

The filing references RSUs originally granted on March 16, 2022, March 8, 2023, and March 15, 2024, which were adjusted after the spin-off of Resolute Holdings Management, Inc., as well as 53,325 performance-vesting RSUs that vested on January 1, 2026.

What future vesting does Amanda Gourbault have in CompoSecure (CMPO) stock?

The filing notes 62,650 2024 time-vesting RSUs scheduled to vest on January 1, 2027, 73,980 RSUs vesting in three equal installments on February 26, 2028, February 26, 2030, and February 26, 2032, and 187,952 performance-vesting RSUs that may vest based on performance targets through January 1, 2027, all subject to continued service.

Was the CompoSecure (CMPO) insider transaction a sale into the market?

No. The reported transactions are coded "F", indicating shares of Class A Common Stock were withheld by the company to satisfy tax withholding obligations upon RSU vesting, rather than discretionary open-market sales.