Adam Joseph Lowe - 01 Jan 2026 Form 4 Insider Report for CompoSecure, Inc. (CMPO)

Signature
/s/ Adam Lowe, by attorney-in-fact Steven J. Feder
Issuer symbol
CMPO
Transactions as of
01 Jan 2026
Net transactions value
-$3,222,922
Form type
4
Filing time
08 Jan 2026, 21:02:01 UTC
Previous filing
10 Sep 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Lowe Adam Joseph Chief Product & Innov. Officer C/O COMPOSECURE, INC., 309 PIERCE STREET, SOMERSET /s/ Adam Lowe, by attorney-in-fact Steven J. Feder 08 Jan 2026 0001885801

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CMPO Class A Common Stock Tax liability $1,544,502 -80,109 -5.4% $19.28 1,414,549 01 Jan 2026 Direct F1
transaction CMPO Class A Common Stock Tax liability $446,737 -23,171 -1.6% $19.28 1,391,378 01 Jan 2026 Direct F2
transaction CMPO Class A Common Stock Tax liability $756,451 -39,235 -2.8% $19.28 1,352,143 01 Jan 2026 Direct F3
transaction CMPO Class A Common Stock Tax liability $475,233 -24,649 -1.8% $19.28 1,327,494 02 Jan 2026 Direct F4, F5, F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Reflects the number of shares withheld in satisfaction of applicable tax withholding obligations in connection with the net settlement of 175,444 restricted stock units ("RSUs") that vested on January 1, 2026. These RSUs were originally granted on March 16, 2022 in the aggregate amount of 600,000 RSUs and were adjusted in connection with the spin-off of Resolute Holdings Management, Inc. (the "Spin-Off") to include an additional 25,444 RSUs.
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.
F3 Reflects the number of shares withheld in satisfaction of applicable tax withholding obligations in connection with the net settlement of 86,464 RSUs that vested on January 1, 2026. These RSUs were originally granted on March 15, 2024 in the aggregate amount of 221,773 RSUs and were adjusted in connection with the Spin-Off to include an additional 25,079 RSUs, for which the remaining 86,463 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.
F4 Reflects the number of shares withheld in satisfaction of applicable tax withholding obligations in connection with the net settlement of 53,329 performance-vesting RSUs that vested on January 1, 2026.
F5 Includes (A) 733,816 shares of Class A Common Stock owned by the reporting person, (B) 86,463 shares of Class A Common Stock underlying the 2024 Unvested Time-Vesting RSUs that will vest on January 1, 2027, and (C) 147,960 shares of Class A Common Stock underlying RSUs that will vest in three equal installments on February 26, 2028, February 26, 2030 and February 26, 2032, 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.
F6 Includes 259,391 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.