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BCS

Changes in Beneficial Ownership · 4

GPGI, Inc.

GPGINYSEEQUITYCurrent

Changes in Beneficial Ownership

Filed Jun 15, 2026Accepted Jun 15, 2026, 8:00 AM EDTFiling CIK 1823144Accession 0000950142-26-001756
Share

Structured filing — 4

es260793729_4-knott.xml

Open full document ↗

Filing details

Report period
2026-06-11
Issuer
GPGI, Inc.
Issuer CIK
0001823144
Trading symbol
GPGI

Reporting owner 1

Name
Knott Thomas R.
Reporting owner CIK
0001816476
Relationship
Director · Officer · 10% owner
Officer title
See remarks
Address
C/O GPGI, INC., 309 PIERCE STREET, SOMERSET, NJ, 08873

Non-derivative transactions

Non-derivative transactions · 1 reported row
SecurityTransaction dateCodeAmountA / DPrice (USD)Owned afterOwnership
Class A Common Stock2026-06-11P · Form 485,250A11.67[F1]129,250D
Table key
P · Form 4
Purchase on the market or privately
A
Acquired
D
Direct

Non-derivative holdings

Non-derivative holdings · 2 reported rows
SecurityAmount ownedOwnershipNature of ownership
Class A Common Stock879,963ISee footnote[F2]
Class A Common Stock49,290,409ISee footnote[F3]
Table key
I
Indirect

Footnotes

F1
The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $11.36 to $11.87 inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.↩ 1
F2
The securities of the issuer are or may be deemed to be beneficially owned by (i) Tungsten 2024 LLC ("Tungsten"), directly, (ii) John Cote, indirectly as a result of being the manager of Tungsten, (iii) C 323 Holdings, LLC ("C 323 Holdings"), indirectly as a result of its consultation rights with respect to the shares, and (iv) Thomas Knott, indirectly as a result of being the sole and managing member of C 323 Holdings. Each of Tungsten, C 323 Holdings and Messrs. Cote and Knott disclaim beneficial ownership of any securities reported by any person except to the extent of their pecuniary interest therein.↩ 1
F3
The securities of the Issuer are or may be deemed to be beneficially owned by (i) Resolute Compo Holdings LLC ("Resolute Compo Holdings"), directly, (ii) Tungsten, indirectly as a result of being the managing member of Resolute Compo Holdings, (iii) Mr. John Cote, indirectly as a result of being the manager of Tungsten, (iv) C 323 Holdings, indirectly as a result of its consultation rights with respect to the shares, and (v) Mr. Knott, indirectly as a result of being the sole and managing member of C 323 Holdings. Each of Resolute Compo Holdings, Tungsten, C 323 Holdings and Messrs. Cote and Knott disclaim beneficial ownership of any securities reported by any person except to the extent of their pecuniary interest therein.↩ 1

Remarks

Principal executive officer and Chief Investment Officer

Signature 1

Signed
/s/ David A.P. Marshall, Attorney-in-Fact for Thomas R. Knott
Date
2026-06-15

Company context

Founded in 2000, CompoSecure is a technology partner to market leaders, fintechs, and consumers enabling trust for millions of people around the globe. CompoSecure is a leader in metal payment cards, security, and authentication solutions. CompoSecure combines elegance, simplicity, and security to deliver exceptional experiences and peace of mind in the physical and digital world. CompoSecure’s innovative payment card technology and metal cards with Arculus security and authentication capabilities deliver unique, premium branded experiences, enable people to access and use their financial and digital assets, and ensure trust at the point of a transaction. For more information, please visit CompoSecure.com and GetArculus.com.

Current securities

Historical securities (6)

Recent company filings

  1. 10-Q filingAug 6, 2026
  2. Results of Operations and Financial Condition · Other EventsAug 6, 2026
  3. SD filingJun 30, 2026
  4. 4 filingJun 15, 2026
  5. 4 filingJun 15, 2026

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