CompoSecure, Inc. — Director's Dealing 2025

Mar 1, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CompoSecure, Inc. (CMPO)
CIK: 0001823144
Period of Report: 2025-02-26

Reporting Person: Gourbault Amanda Mandy (Chief Revenue Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-02-26	Class A Common Stock	A	63251	—	Acquired	885033	Direct

Footnotes

F1: These shares represent restricted stock units ("RSUs"), which will vest in three equal installments on February 26, 2028, February 26, 2030 and February 26, 2032, subject to the reporting person's continued service as of the applicable vesting date and that will be settled into Class A Common Stock upon vesting and may be settled net of shares withheld to pay applicable taxes.

F2: Includes (A) the shares of Class A Common Stock underlying the RSUs described in footnote (1) above, (B) 304,325 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, (C) 75,000 shares of Class A Common Stock underlying RSUs which will vest on January 1, 2026, (D) 43,658 shares of Class A Common Stock underlying RSUs which will vest on January 1, 2026, (E) 107,129 shares of Class A Common Stock underlying RSUs which will vest ratably on each of January 1, 2026 and January 1, 2027, and (cont'd in FN3)

F3: (cont'd from FN2) (F) 291,670 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 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.