GPGI

SEC source: 0001104659-24-106054 · tm2425514-8_4seq1.xml · derivative · entry 1

Knott Thomas R. · CIK 0001816476 · Director · 10% owner · Chief Investment Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 837,037

Underlying: Class A Common Stock · 837,037 shares

Expires 2034-10-01

F1 · derivative.exercise_date: The Stock Options will vest in equal annual installments of 25% each, on October 1, 2025 and on the first, second and third anniversaries thereof.

SEC source: 0001104659-24-106053 · tm2425514-7_4seq1.xml · derivative · entry 2

James Mark R. · CIK 0001417954 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,894

Underlying: Class A Common Stock · 27,894 shares

Expires 2034-10-01

F1 · derivative.exercise_date: The Stock Options will vest in equal annual installments of 25% each, on October 1, 2025 and on the first, second and third anniversaries thereof.

SEC source: 0001104659-24-106053 · tm2425514-7_4seq1.xml · derivative · entry 1

James Mark R. · CIK 0001417954 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,596

Underlying: Class A Common Stock · 18,596 shares

Expires 2034-10-01

F1 · derivative.exercise_date: The Stock Options will vest in equal annual installments of 25% each, on October 1, 2025 and on the first, second and third anniversaries thereof.

SEC source: 0001104659-24-106049 · tm2425514-4_4seq1.xml · derivative · entry 2

FRADIN ROGER · CIK 0001246989 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,894

Underlying: Class A Common Stock · 27,894 shares

Expires 2034-10-01

F1 · derivative.exercise_date: The Stock Options will vest in equal annual installments of 25% each, on October 1, 2025 and on the first, second and third anniversaries thereof.

SEC source: 0001104659-24-106049 · tm2425514-4_4seq1.xml · derivative · entry 1

FRADIN ROGER · CIK 0001246989 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,596

Underlying: Class A Common Stock · 18,596 shares

Expires 2034-10-01

F1 · derivative.exercise_date: The Stock Options will vest in equal annual installments of 25% each, on October 1, 2025 and on the first, second and third anniversaries thereof.

SEC source: 0001104659-24-106047 · tm2425514-3_4seq1.xml · derivative · entry 2

DEANGELO JOSEPH J · CIK 0001228762 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,894

Underlying: Class A Common Stock · 27,894 shares

Expires 2034-10-01

F1 · derivative.exercise_date: The Stock Options will vest in equal annual installments of 25% each, on October 1, 2025 and on the first, second and third anniversaries thereof.

SEC source: 0001104659-24-106047 · tm2425514-3_4seq1.xml · derivative · entry 1

DEANGELO JOSEPH J · CIK 0001228762 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,596

Underlying: Class A Common Stock · 18,596 shares

Expires 2034-10-01

F1 · derivative.exercise_date: The Stock Options will vest in equal annual installments of 25% each, on October 1, 2025 and on the first, second and third anniversaries thereof.

SEC source: 0001104659-24-106055 · tm2425514-9_4seq1.xml · derivative · entry 1

THOMPSON JANE J. · CIK 0001551788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,649

Underlying: Class A Common Stock · 4,649 shares

Expires 2034-10-01

F1 · derivative.exercise_date: The Stock Options will vest in equal annual installments of 25% each, on October 1, 2025 and on the first, second and third anniversaries thereof.

SEC source: 0001104659-24-106050 · tm2425514-5_4seq1.xml · derivative · entry 1

Galant Paul · CIK 0001587958 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,649

Underlying: Class A Common Stock · 4,649 shares

Expires 2034-10-01

F1 · derivative.exercise_date: The Stock Options will vest in equal annual installments of 25% each, on October 1, 2025 and on the first, second and third anniversaries thereof.

SEC source: 0001104659-24-106052 · tm2425514-6_4seq1.xml · derivative · entry 1

Hughes Brian F. · CIK 0001825326 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,649

Underlying: Class A Common Stock · 4,649 shares

Expires 2034-10-01

F1 · derivative.exercise_date: The Stock Options will vest in equal annual installments of 25% each, on October 1, 2025 and on the first, second and third anniversaries thereof.

SEC source: 0001104659-24-100755 · tm2424165-3_4seq1.xml · derivative · entry 4

Wilk Jonathan · CIK 0001885796 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By CompoSecure Employee LLC

Disclosed balance after: 0

Underlying: Class A Common Stock, $0.0001 par value · 1,236,027 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: The unregistered Class B Common Stock and corresponding number of unregistered Class B Common Units were issued by CompoSecure Holdings, L.L.C (a subsidiary of the Issuer) and are exchangeable for Class A Common Stock on a share-for-share basis, subject to adjustment, and a corresponding cancellation of the Class B Common Stock held by such Reporting Person.

F2 · derivative.exercise_date: The unregistered Class B Common Stock and corresponding number of unregistered Class B Common Units were issued by CompoSecure Holdings, L.L.C (a subsidiary of the Issuer) and are exchangeable for Class A Common Stock on a share-for-share basis, subject to adjustment, and a corresponding cancellation of the Class B Common Stock held by such Reporting Person.

F2 · derivative.expiration_date: The unregistered Class B Common Stock and corresponding number of unregistered Class B Common Units were issued by CompoSecure Holdings, L.L.C (a subsidiary of the Issuer) and are exchangeable for Class A Common Stock on a share-for-share basis, subject to adjustment, and a corresponding cancellation of the Class B Common Stock held by such Reporting Person.

F3 · ownership.nature: 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.

SEC source: 0001104659-24-100755 · tm2424165-3_4seq1.xml · nonDerivative · entry 2

Wilk Jonathan · CIK 0001885796 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 618,013

F3 · ownership.nature: 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.

SEC source: 0001104659-24-100755 · tm2424165-3_4seq1.xml · nonDerivative · entry 1

Wilk Jonathan · CIK 0001885796 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By CompoSecure Employee LLC

Disclosed balance after: 1,236,027

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Pursuant to that certain Stock Purchase Agreement, dated August 7, 2024, by and between the Reporting Person and Tungsten 2024 LLC, a Delaware limited liability company ("Tungsten"), whereby Tungsten has agreed to purchase 618,014 shares of Class A Common Stock, par value $0.0001 ("Class A Common Stock") from the Reporting Person (the "Purchased Shares"). In connection with the purchase of the Purchased Shares, the Reporting Person agreed to convert an aggregate of 1,236,027 shares of unregistered Class B Common Stock, par value $0.0001 ("Class B Common Stock") and a corresponding number of unregistered Class B Common Units issued by CompoSecure Holdings, L.L.C. (a subsidiary of the Issuer) that were exchangeable for Class A Common Stock on a share-for-share basis, for no additional consideration, subject to adjustment, and a corresponding cancellation of the Class B Common Stock.

F2 · shares: The unregistered Class B Common Stock and corresponding number of unregistered Class B Common Units were issued by CompoSecure Holdings, L.L.C (a subsidiary of the Issuer) and are exchangeable for Class A Common Stock on a share-for-share basis, subject to adjustment, and a corresponding cancellation of the Class B Common Stock held by such Reporting Person.

F1 · price: Pursuant to that certain Stock Purchase Agreement, dated August 7, 2024, by and between the Reporting Person and Tungsten 2024 LLC, a Delaware limited liability company ("Tungsten"), whereby Tungsten has agreed to purchase 618,014 shares of Class A Common Stock, par value $0.0001 ("Class A Common Stock") from the Reporting Person (the "Purchased Shares"). In connection with the purchase of the Purchased Shares, the Reporting Person agreed to convert an aggregate of 1,236,027 shares of unregistered Class B Common Stock, par value $0.0001 ("Class B Common Stock") and a corresponding number of unregistered Class B Common Units issued by CompoSecure Holdings, L.L.C. (a subsidiary of the Issuer) that were exchangeable for Class A Common Stock on a share-for-share basis, for no additional consideration, subject to adjustment, and a corresponding cancellation of the Class B Common Stock.

F3 · ownership.nature: 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.

SEC source: 0001104659-24-100756 · tm2424165-2_4seq1.xml · derivative · entry 9

Logan Michele · CIK 0001885798 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Carol D. Herslow Credit Shelter Trust B

Disclosed balance after: 0

Underlying: Class A Common Stock, $0.0001 par value · 732,578 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The unregistered Class B Common Stock and corresponding number of unregistered Class B Common Units were issued by CompoSecure Holdings, L.L.C (a subsidiary of the Issuer) and are exchangeable for Class A Common Stock on a share-for-share basis, subject to adjustment, and a corresponding cancellation of the Class B Common Stock held by such Reporting Person.

F3 · derivative.exercise_date: The unregistered Class B Common Stock and corresponding number of unregistered Class B Common Units were issued by CompoSecure Holdings, L.L.C (a subsidiary of the Issuer) and are exchangeable for Class A Common Stock on a share-for-share basis, subject to adjustment, and a corresponding cancellation of the Class B Common Stock held by such Reporting Person.

F3 · derivative.expiration_date: The unregistered Class B Common Stock and corresponding number of unregistered Class B Common Units were issued by CompoSecure Holdings, L.L.C (a subsidiary of the Issuer) and are exchangeable for Class A Common Stock on a share-for-share basis, subject to adjustment, and a corresponding cancellation of the Class B Common Stock held by such Reporting Person.

F6 · ownership.nature: Ms. Logan is a Co-Trustee of the Credit Shelter Trust, and, as a result, may be deemed to share voting and dispositive power over the securities held by the Credit Shelter Trust.

SEC source: 0001104659-24-100756 · tm2424165-2_4seq1.xml · derivative · entry 8

Logan Michele · CIK 0001885798 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Ephesians 3:16 Holdings LLC

Disclosed balance after: 0

Underlying: Class A Common Stock, $0.0001 par value · 5,845,653 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The unregistered Class B Common Stock and corresponding number of unregistered Class B Common Units were issued by CompoSecure Holdings, L.L.C (a subsidiary of the Issuer) and are exchangeable for Class A Common Stock on a share-for-share basis, subject to adjustment, and a corresponding cancellation of the Class B Common Stock held by such Reporting Person.

F3 · derivative.exercise_date: The unregistered Class B Common Stock and corresponding number of unregistered Class B Common Units were issued by CompoSecure Holdings, L.L.C (a subsidiary of the Issuer) and are exchangeable for Class A Common Stock on a share-for-share basis, subject to adjustment, and a corresponding cancellation of the Class B Common Stock held by such Reporting Person.

F3 · derivative.expiration_date: The unregistered Class B Common Stock and corresponding number of unregistered Class B Common Units were issued by CompoSecure Holdings, L.L.C (a subsidiary of the Issuer) and are exchangeable for Class A Common Stock on a share-for-share basis, subject to adjustment, and a corresponding cancellation of the Class B Common Stock held by such Reporting Person.

F5 · ownership.nature: Ephesians Holdings is a manager-managed LLC, and Michele D. Logan serves as the manager, with the ability to exercise voting and dispositive power with respect to the securities held by Ephesians Holdings. The MDL Family Trust and The DML Family Trust are the sole members of Ephesians Holdings, each owning half of the total membership interests therein, and Ms. Logan serves as the Investment Adviser of each of the MDL Trust and the DML Trust. Tiedemann Trust Company acts as Administrative Trustee of each of the MDL Trust and the DML Trust. As a result, Ms. Logan, Ephesians Holdings and the MDL Trust and the DML Trust (to the extent of their respective membership interests therein) possess shared voting and dipositive power over the securities held by Ephesians Holdings. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-24-100756 · tm2424165-2_4seq1.xml · derivative · entry 7

Logan Michele · CIK 0001885798 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock, $0.0001 par value · 12,017,983 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: The unregistered Class B Common Stock and corresponding number of unregistered Class B Common Units were issued by CompoSecure Holdings, L.L.C (a subsidiary of the Issuer) and are exchangeable for Class A Common Stock on a share-for-share basis, subject to adjustment, and a corresponding cancellation of the Class B Common Stock held by such Reporting Person.

F3 · derivative.exercise_date: The unregistered Class B Common Stock and corresponding number of unregistered Class B Common Units were issued by CompoSecure Holdings, L.L.C (a subsidiary of the Issuer) and are exchangeable for Class A Common Stock on a share-for-share basis, subject to adjustment, and a corresponding cancellation of the Class B Common Stock held by such Reporting Person.

F3 · derivative.expiration_date: The unregistered Class B Common Stock and corresponding number of unregistered Class B Common Units were issued by CompoSecure Holdings, L.L.C (a subsidiary of the Issuer) and are exchangeable for Class A Common Stock on a share-for-share basis, subject to adjustment, and a corresponding cancellation of the Class B Common Stock held by such Reporting Person.

SEC source: 0001104659-24-100756 · tm2424165-2_4seq1.xml · nonDerivative · entry 6

Logan Michele · CIK 0001885798 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

F6 · ownership.nature: Ms. Logan is a Co-Trustee of the Credit Shelter Trust, and, as a result, may be deemed to share voting and dispositive power over the securities held by the Credit Shelter Trust.

SEC source: 0001104659-24-100756 · tm2424165-2_4seq1.xml · nonDerivative · entry 5

Logan Michele · CIK 0001885798 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Carol D. Herslow Credit Shelter Trust B

Disclosed balance after: 732,578

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Pursuant to that certain Stock Purchase Agreement, dated August 7, 2024 (the "Purchase Agreement"), by and between the Reporting Person, Ephesians 3:16 Holdings LLC ("Ephesians Holdings"), Carol D. Herslow Credit Shelter Trust B ("Credit Shelter Trust") and Tungsten 2024 LLC, a Delaware limited liability company ("Tungsten"), whereby Tungsten has agreed to purchase 10,017,983 shares of Class A Common Stock, par value $0.0001 ("Class A Common Stock") from the Reporting Person, 5,845,653 shares of Class A Common Stock from Ephesians Holdings, and 732,578 shares of Class A Common Stock from Credit Shelter Trust (together the "Purchased Shares").

F2 · shares: In connection with the purchase of the Purchased Shares, each of the Reporting Person, Ephesians Holdings, and Credit Shelter Trust agreed to convert all shares held of unregistered Class B Common Stock, par value $0.0001 ("Class B Common Stock") and a corresponding number of unregistered Class B Common Units issued by CompoSecure Holdings, L.L.C. (a subsidiary of the Issuer) that were exchangeable for Class A Common Stock on a share-for-share basis, for no additional consideration, subject to adjustment, and a corresponding cancellation of the Class B Common Stock.

F3 · shares: The unregistered Class B Common Stock and corresponding number of unregistered Class B Common Units were issued by CompoSecure Holdings, L.L.C (a subsidiary of the Issuer) and are exchangeable for Class A Common Stock on a share-for-share basis, subject to adjustment, and a corresponding cancellation of the Class B Common Stock held by such Reporting Person.

F1 · price: Pursuant to that certain Stock Purchase Agreement, dated August 7, 2024 (the "Purchase Agreement"), by and between the Reporting Person, Ephesians 3:16 Holdings LLC ("Ephesians Holdings"), Carol D. Herslow Credit Shelter Trust B ("Credit Shelter Trust") and Tungsten 2024 LLC, a Delaware limited liability company ("Tungsten"), whereby Tungsten has agreed to purchase 10,017,983 shares of Class A Common Stock, par value $0.0001 ("Class A Common Stock") from the Reporting Person, 5,845,653 shares of Class A Common Stock from Ephesians Holdings, and 732,578 shares of Class A Common Stock from Credit Shelter Trust (together the "Purchased Shares").

F2 · price: In connection with the purchase of the Purchased Shares, each of the Reporting Person, Ephesians Holdings, and Credit Shelter Trust agreed to convert all shares held of unregistered Class B Common Stock, par value $0.0001 ("Class B Common Stock") and a corresponding number of unregistered Class B Common Units issued by CompoSecure Holdings, L.L.C. (a subsidiary of the Issuer) that were exchangeable for Class A Common Stock on a share-for-share basis, for no additional consideration, subject to adjustment, and a corresponding cancellation of the Class B Common Stock.

F6 · ownership.nature: Ms. Logan is a Co-Trustee of the Credit Shelter Trust, and, as a result, may be deemed to share voting and dispositive power over the securities held by the Credit Shelter Trust.

SEC source: 0001104659-24-100756 · tm2424165-2_4seq1.xml · nonDerivative · entry 4

Logan Michele · CIK 0001885798 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

F5 · ownership.nature: Ephesians Holdings is a manager-managed LLC, and Michele D. Logan serves as the manager, with the ability to exercise voting and dispositive power with respect to the securities held by Ephesians Holdings. The MDL Family Trust and The DML Family Trust are the sole members of Ephesians Holdings, each owning half of the total membership interests therein, and Ms. Logan serves as the Investment Adviser of each of the MDL Trust and the DML Trust. Tiedemann Trust Company acts as Administrative Trustee of each of the MDL Trust and the DML Trust. As a result, Ms. Logan, Ephesians Holdings and the MDL Trust and the DML Trust (to the extent of their respective membership interests therein) possess shared voting and dipositive power over the securities held by Ephesians Holdings. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-24-100756 · tm2424165-2_4seq1.xml · nonDerivative · entry 3

Logan Michele · CIK 0001885798 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Ephesians 3:16 Holdings LLC

Disclosed balance after: 5,845,653

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Pursuant to that certain Stock Purchase Agreement, dated August 7, 2024 (the "Purchase Agreement"), by and between the Reporting Person, Ephesians 3:16 Holdings LLC ("Ephesians Holdings"), Carol D. Herslow Credit Shelter Trust B ("Credit Shelter Trust") and Tungsten 2024 LLC, a Delaware limited liability company ("Tungsten"), whereby Tungsten has agreed to purchase 10,017,983 shares of Class A Common Stock, par value $0.0001 ("Class A Common Stock") from the Reporting Person, 5,845,653 shares of Class A Common Stock from Ephesians Holdings, and 732,578 shares of Class A Common Stock from Credit Shelter Trust (together the "Purchased Shares").

F2 · shares: In connection with the purchase of the Purchased Shares, each of the Reporting Person, Ephesians Holdings, and Credit Shelter Trust agreed to convert all shares held of unregistered Class B Common Stock, par value $0.0001 ("Class B Common Stock") and a corresponding number of unregistered Class B Common Units issued by CompoSecure Holdings, L.L.C. (a subsidiary of the Issuer) that were exchangeable for Class A Common Stock on a share-for-share basis, for no additional consideration, subject to adjustment, and a corresponding cancellation of the Class B Common Stock.

F3 · shares: The unregistered Class B Common Stock and corresponding number of unregistered Class B Common Units were issued by CompoSecure Holdings, L.L.C (a subsidiary of the Issuer) and are exchangeable for Class A Common Stock on a share-for-share basis, subject to adjustment, and a corresponding cancellation of the Class B Common Stock held by such Reporting Person.

F1 · price: Pursuant to that certain Stock Purchase Agreement, dated August 7, 2024 (the "Purchase Agreement"), by and between the Reporting Person, Ephesians 3:16 Holdings LLC ("Ephesians Holdings"), Carol D. Herslow Credit Shelter Trust B ("Credit Shelter Trust") and Tungsten 2024 LLC, a Delaware limited liability company ("Tungsten"), whereby Tungsten has agreed to purchase 10,017,983 shares of Class A Common Stock, par value $0.0001 ("Class A Common Stock") from the Reporting Person, 5,845,653 shares of Class A Common Stock from Ephesians Holdings, and 732,578 shares of Class A Common Stock from Credit Shelter Trust (together the "Purchased Shares").

F2 · price: In connection with the purchase of the Purchased Shares, each of the Reporting Person, Ephesians Holdings, and Credit Shelter Trust agreed to convert all shares held of unregistered Class B Common Stock, par value $0.0001 ("Class B Common Stock") and a corresponding number of unregistered Class B Common Units issued by CompoSecure Holdings, L.L.C. (a subsidiary of the Issuer) that were exchangeable for Class A Common Stock on a share-for-share basis, for no additional consideration, subject to adjustment, and a corresponding cancellation of the Class B Common Stock.

F5 · ownership.nature: Ephesians Holdings is a manager-managed LLC, and Michele D. Logan serves as the manager, with the ability to exercise voting and dispositive power with respect to the securities held by Ephesians Holdings. The MDL Family Trust and The DML Family Trust are the sole members of Ephesians Holdings, each owning half of the total membership interests therein, and Ms. Logan serves as the Investment Adviser of each of the MDL Trust and the DML Trust. Tiedemann Trust Company acts as Administrative Trustee of each of the MDL Trust and the DML Trust. As a result, Ms. Logan, Ephesians Holdings and the MDL Trust and the DML Trust (to the extent of their respective membership interests therein) possess shared voting and dipositive power over the securities held by Ephesians Holdings. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-24-100756 · tm2424165-2_4seq1.xml · nonDerivative · entry 2

Logan Michele · CIK 0001885798 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,043,320

F4 · balance_after: Includes 22,491 restricted stock units that vested in full upon the closing of the transactions as contemplated by the Purchase Agreement and that settled into Class A Common Stock upon vesting.

SEC source: 0001104659-24-100756 · tm2424165-2_4seq1.xml · nonDerivative · entry 1

Logan Michele · CIK 0001885798 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,061,303

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Pursuant to that certain Stock Purchase Agreement, dated August 7, 2024 (the "Purchase Agreement"), by and between the Reporting Person, Ephesians 3:16 Holdings LLC ("Ephesians Holdings"), Carol D. Herslow Credit Shelter Trust B ("Credit Shelter Trust") and Tungsten 2024 LLC, a Delaware limited liability company ("Tungsten"), whereby Tungsten has agreed to purchase 10,017,983 shares of Class A Common Stock, par value $0.0001 ("Class A Common Stock") from the Reporting Person, 5,845,653 shares of Class A Common Stock from Ephesians Holdings, and 732,578 shares of Class A Common Stock from Credit Shelter Trust (together the "Purchased Shares").

F2 · shares: In connection with the purchase of the Purchased Shares, each of the Reporting Person, Ephesians Holdings, and Credit Shelter Trust agreed to convert all shares held of unregistered Class B Common Stock, par value $0.0001 ("Class B Common Stock") and a corresponding number of unregistered Class B Common Units issued by CompoSecure Holdings, L.L.C. (a subsidiary of the Issuer) that were exchangeable for Class A Common Stock on a share-for-share basis, for no additional consideration, subject to adjustment, and a corresponding cancellation of the Class B Common Stock.

F3 · shares: The unregistered Class B Common Stock and corresponding number of unregistered Class B Common Units were issued by CompoSecure Holdings, L.L.C (a subsidiary of the Issuer) and are exchangeable for Class A Common Stock on a share-for-share basis, subject to adjustment, and a corresponding cancellation of the Class B Common Stock held by such Reporting Person.

F1 · price: Pursuant to that certain Stock Purchase Agreement, dated August 7, 2024 (the "Purchase Agreement"), by and between the Reporting Person, Ephesians 3:16 Holdings LLC ("Ephesians Holdings"), Carol D. Herslow Credit Shelter Trust B ("Credit Shelter Trust") and Tungsten 2024 LLC, a Delaware limited liability company ("Tungsten"), whereby Tungsten has agreed to purchase 10,017,983 shares of Class A Common Stock, par value $0.0001 ("Class A Common Stock") from the Reporting Person, 5,845,653 shares of Class A Common Stock from Ephesians Holdings, and 732,578 shares of Class A Common Stock from Credit Shelter Trust (together the "Purchased Shares").

F2 · price: In connection with the purchase of the Purchased Shares, each of the Reporting Person, Ephesians Holdings, and Credit Shelter Trust agreed to convert all shares held of unregistered Class B Common Stock, par value $0.0001 ("Class B Common Stock") and a corresponding number of unregistered Class B Common Units issued by CompoSecure Holdings, L.L.C. (a subsidiary of the Issuer) that were exchangeable for Class A Common Stock on a share-for-share basis, for no additional consideration, subject to adjustment, and a corresponding cancellation of the Class B Common Stock.

F4 · balance_after: Includes 22,491 restricted stock units that vested in full upon the closing of the transactions as contemplated by the Purchase Agreement and that settled into Class A Common Stock upon vesting.

SEC source: 0001104659-24-100741 · tm2424170-2_4seq1.xml · derivative · entry 3

LLR EQUITY PARTNERS IV, L.P. · CIK 0001543672 · 10% owner

LLR EQUITY PARTNERS PARALLEL IV, L.P. · CIK 0001553824 · 10% owner

LLR Capital IV, L.P. · CIK 0001777472 · 10% owner

LLR Capital IV, LLC · CIK 0001777454 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 29,774,258 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: On September 17, 2024, in accordance with the provisions of that certain Exchange Agreement, dated as of December 27, 2021, by and among CompoSecure, Inc., CompoSecure Holdings, L.L.C., and the other parties thereto, LLR Equity Partners IV, L.P. voluntarily exchanged 28,519,690 shares of Class B Common Units issued by CompoSecure Holdings, L.L.C. for 28,519,690 shares of Class A Common Stock and LLR Equity Partners Parallel IV, L.P. exchanged 1,254,568 shares of Class B Common Units issued by CompoSecure Holdings, L.L.C. for 1,254,568 shares of Class A Common Stock. The corresponding number of shares of Class B Common Stock were immediately cancelled upon exchange.

F3 · price: Total amount does not include 43,320 shares of Class A Common Stock owned by Mitchell Hollin, a member of LLR Capital IV, LLC, the General Partner of LLR Capital IV, L.P., the General Partner of LLR Equity Partners IV, L.P. and LLR Equity Partners Parallel IV, L.P. and LLR Equity Partners IV, L.P.'s and LLR Equity Partners Parallel IV, L.P.'s designee to the Company's board of directors until his resignation on September 17, 2024. Mr. Hollin disclaims beneficial ownership of the shares held by LLR Equity Partners IV, L.P. and LLR Equity Partners Parallel IV, L.P.

F3 · derivative.exercise_date: Total amount does not include 43,320 shares of Class A Common Stock owned by Mitchell Hollin, a member of LLR Capital IV, LLC, the General Partner of LLR Capital IV, L.P., the General Partner of LLR Equity Partners IV, L.P. and LLR Equity Partners Parallel IV, L.P. and LLR Equity Partners IV, L.P.'s and LLR Equity Partners Parallel IV, L.P.'s designee to the Company's board of directors until his resignation on September 17, 2024. Mr. Hollin disclaims beneficial ownership of the shares held by LLR Equity Partners IV, L.P. and LLR Equity Partners Parallel IV, L.P.

F3 · derivative.expiration_date: Total amount does not include 43,320 shares of Class A Common Stock owned by Mitchell Hollin, a member of LLR Capital IV, LLC, the General Partner of LLR Capital IV, L.P., the General Partner of LLR Equity Partners IV, L.P. and LLR Equity Partners Parallel IV, L.P. and LLR Equity Partners IV, L.P.'s and LLR Equity Partners Parallel IV, L.P.'s designee to the Company's board of directors until his resignation on September 17, 2024. Mr. Hollin disclaims beneficial ownership of the shares held by LLR Equity Partners IV, L.P. and LLR Equity Partners Parallel IV, L.P.

F3 · balance_after: Total amount does not include 43,320 shares of Class A Common Stock owned by Mitchell Hollin, a member of LLR Capital IV, LLC, the General Partner of LLR Capital IV, L.P., the General Partner of LLR Equity Partners IV, L.P. and LLR Equity Partners Parallel IV, L.P. and LLR Equity Partners IV, L.P.'s and LLR Equity Partners Parallel IV, L.P.'s designee to the Company's board of directors until his resignation on September 17, 2024. Mr. Hollin disclaims beneficial ownership of the shares held by LLR Equity Partners IV, L.P. and LLR Equity Partners Parallel IV, L.P.

SEC source: 0001104659-24-100741 · tm2424170-2_4seq1.xml · nonDerivative · entry 2

LLR EQUITY PARTNERS IV, L.P. · CIK 0001543672 · 10% owner

LLR EQUITY PARTNERS PARALLEL IV, L.P. · CIK 0001553824 · 10% owner

LLR Capital IV, L.P. · CIK 0001777472 · 10% owner

LLR Capital IV, LLC · CIK 0001777454 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F2 · kind: As part of the transactions described in the Current Report on Form 8-K filed on September 17, 2024 by CompoSecure, Inc., on September 17, 2024 LLR Equity Partners IV, L.P. sold 28,519,690 shares of Class A Common Stock and LLR Equity Partners Parallel IV, L.P. sold 1,254,568 shares of Class A Common Stock, in each case to Resolute Compo Holdings LLC.

SEC source: 0001104659-24-100741 · tm2424170-2_4seq1.xml · nonDerivative · entry 1

LLR EQUITY PARTNERS IV, L.P. · CIK 0001543672 · 10% owner

LLR EQUITY PARTNERS PARALLEL IV, L.P. · CIK 0001553824 · 10% owner

LLR Capital IV, L.P. · CIK 0001777472 · 10% owner

LLR Capital IV, LLC · CIK 0001777454 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,774,258

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On September 17, 2024, in accordance with the provisions of that certain Exchange Agreement, dated as of December 27, 2021, by and among CompoSecure, Inc., CompoSecure Holdings, L.L.C., and the other parties thereto, LLR Equity Partners IV, L.P. voluntarily exchanged 28,519,690 shares of Class B Common Units issued by CompoSecure Holdings, L.L.C. for 28,519,690 shares of Class A Common Stock and LLR Equity Partners Parallel IV, L.P. exchanged 1,254,568 shares of Class B Common Units issued by CompoSecure Holdings, L.L.C. for 1,254,568 shares of Class A Common Stock. The corresponding number of shares of Class B Common Stock were immediately cancelled upon exchange.

SEC source: 0001104659-24-099916 · tm2424084-1_4seq1.xml · derivative · entry 3

Lowe Adam Joseph · CIK 0001885801 · Chief Product & Innov. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 167,133

Underlying: Class A Common Stock · 40,658 shares

Expires 2028-10-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_date: All of the shares subject to this option are fully vested and exercisable as of the date hereof.

SEC source: 0001104659-24-099916 · tm2424084-1_4seq1.xml · nonDerivative · entry 2

Lowe Adam Joseph · CIK 0001885801 · Chief Product & Innov. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,292,219

F1 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $12.04 to $12.12, 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 the ranges set forth in footnote (1) to this Form 4.

F2 · balance_after: Includes (A) 267,583 restricted stock units ("RSUs"), which will vest on January 1, 2025, (B) 267,583 RSUs, which will vest on January 1, 2026, and (C) 73,925 RSUs, which will vest on 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.

F3 · balance_after: Includes 130,976 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 governing award agreement, 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.

F4 · balance_after: Includes 221,773 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 governing award agreement, 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.

SEC source: 0001104659-24-099916 · tm2424084-1_4seq1.xml · nonDerivative · entry 1

Lowe Adam Joseph · CIK 0001885801 · Chief Product & Innov. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,332,877

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001104659-24-099399 · tm2423903d1_4seq1.xml · derivative · entry 6

Lowe Adam Joseph · CIK 0001885801 · Chief Product & Innov. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 207,791

Underlying: Class A Common Stock · 5,730 shares

Expires 2028-10-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_date: All of the shares subject to this option are fully vested and exercisable as of the date hereof.

SEC source: 0001104659-24-099399 · tm2423903d1_4seq1.xml · nonDerivative · entry 4

Lowe Adam Joseph · CIK 0001885801 · Chief Product & Innov. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,292,219

F2 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $12.04 to $12.08, 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 the ranges set forth in footnote (2) to this Form 4.

F3 · balance_after: Includes (A) 267,583 restricted stock units ("RSUs"), which will vest on January 1, 2025, (B) 267,583 RSUs, which will vest on January 1, 2026, and (C) 73,925 RSUs, which will vest on 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.

F4 · balance_after: Includes 130,976 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 governing award agreement, 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.

F5 · balance_after: Includes 221,773 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 governing award agreement, 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.

SEC source: 0001104659-24-099399 · tm2423903d1_4seq1.xml · nonDerivative · entry 3

Lowe Adam Joseph · CIK 0001885801 · Chief Product & Innov. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,297,949

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001104659-24-099399 · tm2423903d1_4seq1.xml · derivative · entry 5

Lowe Adam Joseph · CIK 0001885801 · Chief Product & Innov. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 213,521

Underlying: Class A Common Stock · 12,427 shares

Expires 2028-10-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_date: All of the shares subject to this option are fully vested and exercisable as of the date hereof.

SEC source: 0001104659-24-099399 · tm2423903d1_4seq1.xml · nonDerivative · entry 2

Lowe Adam Joseph · CIK 0001885801 · Chief Product & Innov. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,292,219

F1 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $12.04 to $12.11, 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 the ranges set forth in footnote (1) to this Form 4.

SEC source: 0001104659-24-099399 · tm2423903d1_4seq1.xml · nonDerivative · entry 1

Lowe Adam Joseph · CIK 0001885801 · Chief Product & Innov. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,304,646

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001104659-24-098584 · tm2423685-1_4seq1.xml · derivative · entry 6

Lowe Adam Joseph · CIK 0001885801 · Chief Product & Innov. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 225,948

Underlying: Class A Common Stock · 38,725 shares

Expires 2028-10-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_date: All of the shares subject to this option are fully vested and exercisable as of the date hereof.

SEC source: 0001104659-24-098584 · tm2423685-1_4seq1.xml · nonDerivative · entry 4

Lowe Adam Joseph · CIK 0001885801 · Chief Product & Innov. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,292,219

F2 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $11.80 to $11.94, 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 the ranges set forth in footnote (2) to this Form 4.

F3 · balance_after: Includes (A) 267,583 restricted stock units ("RSUs"), which will vest on January 1, 2025, (B) 267,583 RSUs, which will vest on January 1, 2026, and (C) 73,925 RSUs, which will vest on 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.

F4 · balance_after: Includes 130,976 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 governing award agreement, 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.

F5 · balance_after: Includes 221,773 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 governing award agreement, 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.

SEC source: 0001104659-24-098584 · tm2423685-1_4seq1.xml · nonDerivative · entry 3

Lowe Adam Joseph · CIK 0001885801 · Chief Product & Innov. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,330,944

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001104659-24-098584 · tm2423685-1_4seq1.xml · derivative · entry 5

Lowe Adam Joseph · CIK 0001885801 · Chief Product & Innov. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 264,673

Underlying: Class A Common Stock · 17,460 shares

Expires 2028-10-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_date: All of the shares subject to this option are fully vested and exercisable as of the date hereof.

SEC source: 0001104659-24-098584 · tm2423685-1_4seq1.xml · nonDerivative · entry 2

Lowe Adam Joseph · CIK 0001885801 · Chief Product & Innov. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,292,219

F1 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $11.80 to $11.82, 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 the ranges set forth in footnote (1) to this Form 4.

SEC source: 0001104659-24-098584 · tm2423685-1_4seq1.xml · nonDerivative · entry 1

Lowe Adam Joseph · CIK 0001885801 · Chief Product & Innov. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,309,679

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001104659-24-096969 · tm2423379-1_4seq1.xml · derivative · entry 6

Lowe Adam Joseph · CIK 0001885801 · Chief Product & Innov. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 282,133

Underlying: Class A Common Stock · 9,690 shares

Expires 2028-10-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_date: All of the shares subject to this option are fully vested and exercisable as of the date hereof.

SEC source: 0001104659-24-096969 · tm2423379-1_4seq1.xml · nonDerivative · entry 4

Lowe Adam Joseph · CIK 0001885801 · Chief Product & Innov. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,292,219

F2 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $11.80 to $11.86, 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 the ranges set forth in footnote (2) to this Form 4.

F3 · balance_after: Includes (A) 267,583 restricted stock units ("RSUs"), which will vest on January 1, 2025, (B) 267,583 RSUs, which will vest on January 1, 2026, and (C) 73,925 RSUs, which will vest on 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.

F4 · balance_after: Includes 130,976 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 governing award agreement, 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.

F5 · balance_after: Includes 221,773 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 governing award agreement, 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.

SEC source: 0001104659-24-096969 · tm2423379-1_4seq1.xml · nonDerivative · entry 3

Lowe Adam Joseph · CIK 0001885801 · Chief Product & Innov. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,301,909

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001104659-24-096969 · tm2423379-1_4seq1.xml · derivative · entry 5

Lowe Adam Joseph · CIK 0001885801 · Chief Product & Innov. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 291,823

Underlying: Class A Common Stock · 2,100 shares

Expires 2028-10-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_date: All of the shares subject to this option are fully vested and exercisable as of the date hereof.

SEC source: 0001104659-24-096969 · tm2423379-1_4seq1.xml · nonDerivative · entry 2

Lowe Adam Joseph · CIK 0001885801 · Chief Product & Innov. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,292,219

F1 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $11.80 to $11.83, 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 the ranges set forth in footnote (1) to this Form 4.

SEC source: 0001104659-24-096969 · tm2423379-1_4seq1.xml · nonDerivative · entry 1

Lowe Adam Joseph · CIK 0001885801 · Chief Product & Innov. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,294,319

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001104659-24-090606 · tm2421884-4_4seq1.xml · nonDerivative · entry 4

Maes Gregoire · CIK 0001885789 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 762,009

F2 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $11.00 to $11.08, 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 the ranges set forth in footnotes (1) and (2) to this Form 4.

F3 · balance_after: Includes (A) 159,723 restricted stock units ("RSUs"), which will vest on January 1, 2025, (B) 159,724 RSUs, which will vest on January 1, 2026, and (C) 53,564 RSUs, which will vest on 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.

F4 · balance_after: Includes 130,976 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 governing award agreement, 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.

F5 · balance_after: Includes 160,694 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 governing award agreement, 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.

SEC source: 0001104659-24-090606 · tm2421884-4_4seq1.xml · nonDerivative · entry 3

Maes Gregoire · CIK 0001885789 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 812,009

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001104659-24-090605 · tm2421884-3_4seq1.xml · nonDerivative · entry 2

Fitzsimmons Timothy Walter · CIK 0001885866 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 849,623

F2 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $10.75 to $10.85, 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 the ranges set forth in footnote (1) and (2) to this Form 4.

F3 · balance_after: Includes (A) 133,780 restricted stock units ("RSUs"), which will vest on January 1, 2025, (B) 133,780 RSUs, which will vest on January 1, 2026, and (C) 40,720 RSUs, which will vest on 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.

F4 · balance_after: Includes 91,683 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 governing award agreement, 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.

F5 · balance_after: Includes 122,158 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 governing award agreement, 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.

SEC source: 0001104659-24-090606 · tm2421884-4_4seq1.xml · derivative · entry 5

Maes Gregoire · CIK 0001885789 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 180,139

Underlying: Class A Common Stock · 50,000 shares

Expires 2030-06-14

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_date: All of the shares subject to this option are fully vested and exercisable as of the date hereof.