Amanda Mandy Gourbault - 01 Jan 2026 Form 4 Insider Report for CompoSecure, Inc. (CMPO)

Reporting relationship: Chief Revenue Officer
Issuer ticker: CMPO
Reported as of: 01 Jan 2026
Net transaction value: -$1,438,770
SEC form: 4
Accepted by SEC: 08 Jan 2026, 21:00:43 UTC
Prior SEC filing: 14 Aug 2025
Source filing: View source filing
Reporting owner signature: /s/ Amanda Gourbault, by attorney-in-fact Steven J. Feder

Key filing fact

Amanda Mandy Gourbault filed Form 4 for CompoSecure, Inc. (CMPO) on 08 Jan 2026.

Key facts

This page summarizes Amanda Mandy Gourbault's Form 4 filing for CompoSecure, Inc. (CMPO).
4 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 08 Jan 2026, 21:00.

Change

Previous filing in this sequence was filed on 14 Aug 2025.
Current net transaction value: -$1,438,770.

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 0001900531 Primary reporting owner

Gourbault Amanda Mandy

Relationship: Chief Revenue Officer
Address: C/O COMPOSECURE, INC., 309 PIERCE STREET, SOMERSET
Signature: /s/ Amanda Gourbault, by attorney-in-fact Steven J. Feder
Signature date: 08 Jan 2026

Reported non-derivative transactions

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

CMPO transaction

Class A Common Stock

Tax liability

Transaction value: $498,774
Shares: -25,870
Change %: -3.2%
Price: $19.28
Shares after: 773,798
Date: 01 Jan 2026
Ownership: Direct
Footnotes: F1

CMPO transaction

Class A Common Stock

Tax liability

Transaction value: $284,727
Shares: -14,768
Change %: -1.9%
Price: $19.28
Shares after: 759,030
Date: 01 Jan 2026
Ownership: Direct
Footnotes: F2

CMPO transaction

Class A Common Stock

Tax liability

Transaction value: $349,334
Shares: -18,119
Change %: -2.4%
Price: $19.28
Shares after: 740,911
Date: 01 Jan 2026
Ownership: Direct
Footnotes: F3

CMPO transaction

Class A Common Stock

Tax liability

Transaction value: $305,935
Shares: -15,868
Change %: -2.1%
Price: $19.28
Shares after: 725,043
Date: 02 Jan 2026
Ownership: Direct
Footnotes: F4, F5, F6

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 6 footnotes

Footnote F1

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.

Footnote F2

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.

Footnote F3

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.

Footnote F4

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.

Footnote F5

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.

Footnote F6

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.