# EDGAR Filing Document

**Accession Number:** 0001823144
**File Stem:** 0000950142-26-000092
**Filing Date:** 2026-1
**Character Count:** 8655
**Document Hash:** bca8a0ba8d051720ba183ad6d0bfa3ab
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000950142-26-000092.hdr.sgml**: 20260108

**ACCESSION NUMBER**: 0000950142-26-000092

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260101

**FILED AS OF DATE**: 20260108

**DATE AS OF CHANGE**: 20260108

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Lowe Adam Joseph
- **CENTRAL INDEX KEY:** 0001885801

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-39687
- **FILM NUMBER:** 26521171

**MAIL ADDRESS:**
- **STREET 1:** C/O COMPOSECURE, INC.
- **STREET 2:** 309 PIERCE STREET
- **CITY:** SOMERSET
- **STATE:** NJ
- **ZIP:** 08873
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CompoSecure, Inc.
- **CENTRAL INDEX KEY:** 0001823144
- **STANDARD INDUSTRIAL CLASSIFICATION:** FINANCE SERVICES [6199]
- **ORGANIZATION NAME:** 09 Crypto Assets
- **EIN:** 852749902
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 309 PIERCE STREET
- **CITY:** SOMERSET
- **STATE:** NJ
- **ZIP:** 08873
- **BUSINESS PHONE:** 908-518-0500EXT.1390

**MAIL ADDRESS:**
- **STREET 1:** 309 PIERCE STREET
- **CITY:** SOMERSET
- **STATE:** NJ
- **ZIP:** 08873

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Roman DBDR Tech Acquisition Corp.
- **DATE OF NAME CHANGE:** 20200901

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Lowe Adam Joseph<br><sub>(Last) (First) (Middle)</sub><br>C/O COMPOSECURE, INC.<br>309 PIERCE STREET<br><sub>(Street)</sub><br>SOMERSET, NJ 08873<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-01-01 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_Chief Product & Innov. Officer_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>CompoSecure, Inc. [ CMPO ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Class A Common Stock | 2026-01-01 |  | F |  | 80109<sup>(1)</sup> | D | $19.28 | 1414549 | D |  |
| Class A Common Stock | 2026-01-01 |  | F |  | 23171<sup>(2)</sup> | D | $19.28 | 1391378 | D |  |
| Class A Common Stock | 2026-01-01 |  | F |  | 39235<sup>(3)</sup> | D | $19.28 | 1352143 | D |  |
| Class A Common Stock | 2026-01-02 |  | F |  | 24649<sup>(4)</sup> | D | $19.28 | 1327494<sup>(5)(6)</sup> | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) 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.

(2) 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.

(3) 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.

(4) 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.

(5) 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.

(6) 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.

**Signature:** /s/ Adam Lowe, by attorney-in-fact Steven J. Feder  
**Date:** 2026-01-08

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**