CompoSecure, Inc. — Director's Dealing 2026

Jan 9, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CompoSecure, Inc. (CMPO)
CIK: 0001823144
Period of Report: 2025-09-09

Reporting Person: Wilk Jonathan (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-09-09	Class A Common Stock	F	169439	$19.40	Disposed	3450281	Direct
2026-01-01	Class A Common Stock	F	208690	$19.28	Disposed	3241591	Direct
2026-01-01	Class A Common Stock	F	129449	$19.28	Disposed	3112142	Direct
2026-01-01	Class A Common Stock	F	174753	$19.28	Disposed	2937389	Direct
2026-01-02	Class A Common Stock	F	49112	$19.28	Disposed	2697647	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	770295	Indirect

Footnotes

F1: Reflects the number of shares withheld in satisfaction of applicable tax withholding obligations in connection with the net settlement of performance-vesting restricted stock units ("RSUs") that vested on September 9, 2025, as adjusted in connection with the spin-off of Resolute Holdings Management, Inc. (the "Spin-Off"). These performance-based RSUs were originally granted on March 16, 2022 and vested over the applicable performance period based on the achievement of the provided performance targets, as set forth in the governing award agreement.

F2: Reflects the number of shares withheld in satisfaction of applicable tax withholding obligations in connection with the net settlement of 328,503 restricted stock units ("RSUs") that vested on January 1, 2026. These RSUs were originally granted on March 16, 2022 in the aggregate amount of 1,123,451 RSUs and were adjusted in connection with Spin-Off to include an additional 47,641 RSUs.

F3: Reflects the number of shares withheld in satisfaction of applicable tax withholding obligations in connection with the net settlement of 204,258 RSUs that vested on January 1, 2026. These RSUs were originally granted on March 8, 2023 in the aggregate amount of 523,903 RSUs and were adjusted in connection with the Spin-Off to include an additional 29,623 RSUs.

F4: Reflects the number of shares withheld in satisfaction of applicable tax withholding obligations in connection with the net settlement of 275,742 RSUs that vested on January 1, 2026. These RSUs were originally granted on March 15, 2024 in the aggregate amount of 707,258 RSUs and were adjusted in connection with the Spin-Off to include an additional 79,979 RSUs, for which the remaining 275,742 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.

F5: Reflects the number of shares withheld in satisfaction of applicable tax withholding obligations in connection with the net settlement of performance-vesting RSUs that vested on January 1, 2026, as adjusted in connection with the Spin-Off. These performance-based RSUs were originally granted on March 8, 2023 and vested over the applicable performance period based on the achievement of the provided performance targets, as set forth in the governing award agreement.

F6: Includes (A) 1,473,616 shares of Class A Common Stock owned by the reporting person, (B) 325,513 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) 275,742 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.

F7: Includes 827,227 performance-vesting RSUs, as adjusted in connection with the Spin-Off, 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.

F8: The reported securities are held directly by CompoSecure Employee LLC, and the reporting person (the sole member of CompoSecure Employee LLC) may be deemed to have sole power to vote or dispose of these securities. The reporting person may be deemed the beneficial owner of the shares of Class A Common Stock held by CompoSecure Employee LLC because he is its sole member. The reporting person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.