Gregoire Maes - 13 Aug 2025 Form 4 Insider Report for CompoSecure, Inc. (CMPO)

Reporting relationship: Chief Operating Officer
Issuer ticker: CMPO
Reported as of: 13 Aug 2025
Net transaction value: -$1,628,390
SEC form: 4
Accepted by SEC: 15 Aug 2025, 17:22:41 UTC
Prior SEC filing: 28 Feb 2025
Next SEC filing: 10 Sep 2025
Source filing: View source filing
Reporting owner signature: /s/ Gregoire Maes, by attorney-in-fact Steven J. Feder

Key filing fact

Gregoire Maes filed Form 4 for CompoSecure, Inc. (CMPO) on 15 Aug 2025.

Key facts

This page summarizes Gregoire Maes's Form 4 filing for CompoSecure, Inc. (CMPO).
6 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 15 Aug 2025, 17:22.

Change

Previous filing in this sequence was filed on 28 Feb 2025.
Current net transaction value: -$1,628,390.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001885789 Primary reporting owner

Maes Gregoire

Relationship: Chief Operating Officer
Address: C/O COMPOSECURE, INC., 309 PIERCE STREET, SOMERSET
Signature: /s/ Gregoire Maes, by attorney-in-fact Steven J. Feder
Signature date: 15 Aug 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CMPO transaction

Class A Common Stock

Options Exercise

Transaction value: $108,251
Shares: +19,899
Change %: +2.6%
Price: $5.44
Shares after: 798,961
Date: 13 Aug 2025
Ownership: Direct

CMPO transaction

Class A Common Stock

Sale

Transaction value: $383,255
Shares: -19,899
Change %: -2.5%
Price: $19.26
Shares after: 779,062
Date: 13 Aug 2025
Ownership: Direct
Footnotes: F1

CMPO transaction

Class A Common Stock

Options Exercise

Transaction value: $528,909
Shares: +97,226
Change %: +12%
Price: $5.44
Shares after: 876,288
Date: 14 Aug 2025
Ownership: Direct

CMPO transaction

Class A Common Stock

Sale

Transaction value: $1,882,295
Shares: -97,226
Change %: -11%
Price: $19.36
Shares after: 779,062
Date: 14 Aug 2025
Ownership: Direct
Footnotes: F2, F3, F4

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CMPO transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value: $0
Shares: -19,899
Change %: -17%
Price: $0.000000
Shares after: 97,226
Date: 13 Aug 2025
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 19,899
Exercise price: $5.44
Footnotes: F5

CMPO transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value: $0
Shares: -97,226
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 14 Aug 2025
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 97,226
Exercise price: $5.44
Footnotes: F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $19.25 to $19.32, inclusive. The reporting person undertakes to provide CompoSecure, Inc. (the "Issuer"), any securityholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Footnote F2

The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $19.25 to $19.60, inclusive. The reporting person undertakes to provide the Issuer, any securityholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Footnote F3

Includes (A) 179,228 shares of Class A Common Stock owned by the reporting person, (B) 94,877 shares of Class A Common Stock underlying restricted stock units ("RSUs"), which will vest in three equal installments on February 26, 2028, February 26, 2030 and February 26, 2032, (C) 62,500 shares of Class A Common Stock underlying RSUs that will vest on January 1, 2026, (D) 43,658 shares of Class A Common Stock underlying RSUs that will vest on January 1, 2026, (E) 107,129 shares of Class A Common Stock underlying RSUs that will vest ratably on January 1, 2026 and January 1, 2027, and (cont'd in FN 4)

Footnote F4

(con't from FN 3) (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.

Footnote F5

All of the shares subject to this option are fully vested and exercisable as of the date hereof.