Holder evidence
50
SEC ownership of GPGI, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001823144.
Lead holder
PLATINUM EQUITY, LLC
13D/G signal
PLATINUM EQUITY, LLC
Latest evidence
31 Mar 2026
- CIK
- 0001823144
- Symbol
- GPGI on NYSE
- Location
- Somerset, NJ
- SEC evidence mix
- 13D/G, 3/4/5, and 13F
- Lead holder
- PLATINUM EQUITY, LLC
- Latest large-stake holder
- PLATINUM EQUITY, LLC
- Latest evidence date
- 31 Mar 2026
Issuer identity
3 facts
Ownership snapshot
4 facts
Ownership snapshot
Top shareholders of GPGI, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Lead holder
PLATINUM EQUITY, LLC
13D/G signal
PLATINUM EQUITY, LLC
Evidence rows
50
Latest as of
31 Mar 2026
13D/G
3/4/5
13F
Lead comparable stake: 18%
13D/G row: PLATINUM EQUITY, LLC
Showing 1-8 of 50 holder rows.
Rank 1 holder
PLATINUM EQUITY, LLC
13D/G
3/4/5
- Ownership
- 18%
- Position
- $1.02B
Rank 2 holder
Resolute Compo Holdings LLC
13D/G
3/4/5
- Ownership
- 18%
- Position
- $996.47M
Rank 3 holder
FMR LLC
13F
13D/G
- Ownership
- 14%
- Position
- $676.34M
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| PLATINUM EQUITY, LLC |
13D/G
3/4/5
10%+ Owner
|
18%
|
$1,018,557,715
52,829,757 shares
|
$0 | 12 Jan 2026 |
| Resolute Compo Holdings LLC |
13D/G
3/4/5
John D. Cote · Director, 10%+ Owner
|
18%
|
$996,466,884
51,683,967 shares
|
+$4,755,701 | 12 Jan 2026 |
| FMR LLC |
13F
13D/G
Company
|
14%
from 13D/G
|
$676,338,044
39,551,933 shares
|
— | 31 Mar 2026 |
| LOCUST WOOD CAPITAL ADVISERS, LLC |
13F
13D/G
Company
|
8.1%
from 13D/G
|
$235,700,471
13,783,653 shares
|
— | 31 Mar 2026 |
| Alyeska Investment Group, L.P. |
13F
13D/G
Company
|
7.4%
from 13D/G
|
$365,858,827
21,395,253 shares
|
— | 31 Mar 2026 |
| Bleichroeder LP |
13F
13D/G
3/4/5
Company · 10%+ Owner
|
4.7%
from 13D/G
|
$67,881,454
3,969,676 shares
|
— | 31 Mar 2026 |
| Tikvah Management LLC |
13D/G
3/4/5
13F
10%+ Owner · Company
|
4.2%
|
$48,280,555
4,295,423 shares
|
$0 | 31 Dec 2024 |
| Capital Research Global Investors |
13F
13D/G
Company
|
3.9%
from 13D/G
|
$192,558,192
11,260,713 shares
|
— | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$4,722,198.
Buys
$1,503,213
Insiders: 6
Sells
$6,225,410
Insiders: 4
Net
-$4,722,198
Shares: -238,797
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 91,027
Shares: 329,824
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 72,787 | 27,334 | $1,152,566 | $462,218 | +$690,348 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 18,240 | 302,490 | $350,647 | $5,763,192 | -$5,412,545 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 36 reporting-owner rows connected to GPGI, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
36
Lead holder
John D. Cote
Net 12M change
-$4,722,197
Latest report
26 May 2026
Recent insider transactions for GPGI, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Reported value | Reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Kevin M. Moriarty | GPGI | Class A Common Stock | Purchase | 5.9% | $50,000 | $12.64 | 3,956 | 71,011 | 26 May 2026 | Direct |
| Krishna Mikkilineni | GPGI | Class A Common Stock | Purchase | 300.5% | $100,031 | $12.34 | 8,106 | 10,804 | 14 May 2026 | Direct |
| Kurt Schoen | GPGI | Class A Common Stock | Purchase | 0.69% | $50,320 | $12.58 | 4,000 | 586,317 | 13 May 2026 | Direct |
| Rebecca Corbin Loree | GPGI | Class A Common Stock | Purchase | 6.62% | $50,515 | $12.87 | 3,925 | 63,220 | 12 May 2026 | Direct |
| Jane J. Thompson | GPGI | Class A Common Stock | Sale | -14% | $231,109 | $16.91 | -13,667 | 83,813 | 17 Mar 2026 | Direct |
| Jane J. Thompson | GPGI | Class A Common Stock | Sale | -14% | $231,109 | $16.91 | -13,667 | 83,813 | 17 Mar 2026 | Direct |
| Kurt Schoen | GPGI | Class A Common Stock | Purchase | $51,000 | $17.00 | 3,000 | 3,000 | 17 Mar 2026 | Direct | |
| John D. Cote | GPGI | Class A Common Stock | Purchase | $99,180 | $17.10 | 5,800 | 5,800 | 17 Mar 2026 | By Spouse | |
| Thomas R. Knott | GPGI | Class A Common Stock | Purchase | $751,520 | $17.08 | 44,000 | 44,000 | 17 Mar 2026 | Direct | |
| Kurt Schoen | GPGI | Stock Option (Right to Buy) | Award | 143,754 | 143,754 | 26 Feb 2026 | Direct | |||
| Thomas R. Knott | GPGI | Stock Option (Right to Buy) | Award | 1,150,029 | 1,150,029 | 26 Feb 2026 | Direct | |||
| David M. Cote | GPGI | Stock Option (Right to Buy) | Award | 1,265,032 | 1,265,032 | 26 Feb 2026 | Direct | |||
| Graham Robinson | GPGI | Class A Common Stock | Award | 178,926 | 178,926 | 22 Jan 2026 | Direct | |||
| Kevin M. Moriarty | CMPO | Class A Common Stock | Award | 415.8% | 54,055 | 67,055 | 12 Jan 2026 | Direct | ||
| Krishna Mikkilineni | CMPO | Class A Common Stock | Award | 64,865 | 64,865 | 12 Jan 2026 | Direct | |||
| Mark R. James | CMPO | Class A Common Stock | Award | 54,055 | 54,055 | 12 Jan 2026 | Direct | |||
| Brian F. Hughes | CMPO | Class A Common Stock | Award | 28.6% | 27,028 | 121,405 | 12 Jan 2026 | Direct | ||
| Paul Galant | CMPO | Class A Common Stock | Award | 58.6% | 54,055 | 146,343 | 12 Jan 2026 | Direct | ||
| Joseph J. Deangelo | CMPO | Class A Common Stock | Award | 600% | 270,271 | 315,316 | 12 Jan 2026 | Direct | ||
| David M. Cote | CMPO | Class A Common Stock | Award | 241.4% | 54,055 | 76,449 | 12 Jan 2026 | By Spouse | ||
| Rebecca Corbin Loree | CMPO | Class A Common Stock | Award | 1031.6% | 54,055 | 59,295 | 12 Jan 2026 | Direct | ||
| Jonathan Wilk | CMPO | Class A Common Stock | Tax liability | -1.79% | -49,112 | 2,697,647 | 02 Jan 2026 | Direct | ||
| Gregoire Maes | CMPO | Class A Common Stock | Tax liability | -4.51% | -30,515 | 645,653 | 02 Jan 2026 | Direct | ||
| Adam Joseph Lowe | CMPO | Class A Common Stock | Tax liability | -1.82% | -24,649 | 1,327,494 | 02 Jan 2026 | Direct | ||
| Amanda Mandy Gourbault | CMPO | Class A Common Stock | Tax liability | -2.14% | -15,868 | 725,043 | 02 Jan 2026 | Direct | ||
| Jonathan Wilk | CMPO | Class A Common Stock | Tax liability | -14.9% | -512,892 | 2,937,389 | 01 Jan 2026 | Direct | ||
| Gregoire Maes | CMPO | Class A Common Stock | Tax liability | -13.5% | -105,812 | 676,168 | 01 Jan 2026 | Direct | ||
| Adam Joseph Lowe | CMPO | Class A Common Stock | Tax liability | -9.53% | -142,515 | 1,352,143 | 01 Jan 2026 | Direct | ||
| Amanda Mandy Gourbault | CMPO | Class A Common Stock | Tax liability | -7.35% | -58,757 | 740,911 | 01 Jan 2026 | Direct | ||
| Jonathan Wilk | CMPO | Class A Common Stock | Tax liability | -4.68% | -169,439 | 3,450,281 | 09 Sep 2025 | Direct | ||
| Jonathan Wilk | CMPO | Class A Common Stock, $0.0001 par value | Award | 11.9% | 82,094 | 770,295 | 08 Sep 2025 | By CompoSecure Employee LLC | ||
| Timothy Walter Fitzsimmons | CMPO | Class A Common Stock | Tax liability | -2.39% | -19,250 | 784,875 | 08 Sep 2025 | Direct | ||
| Timothy Walter Fitzsimmons | CMPO | Class A Common Stock | Award | 5.84% | 44,336 | 804,125 | 08 Sep 2025 | Direct | ||
| Gregoire Maes | CMPO | Class A Common Stock | Tax liability | -0.44% | -3,452 | 781,980 | 08 Sep 2025 | Direct | ||
| Gregoire Maes | CMPO | Class A Common Stock | Award | 0.82% | 6,370 | 785,432 | 08 Sep 2025 | Direct | ||
| Adam Joseph Lowe | CMPO | Class A Common Stock | Tax liability | -0.94% | -14,116 | 1,494,658 | 08 Sep 2025 | Direct | ||
| Adam Joseph Lowe | CMPO | Class A Common Stock | Award | 1.87% | 27,738 | 1,508,774 | 08 Sep 2025 | Direct | ||
| Rebecca Corbin Loree | CMPO | Class A Common Stock | Purchase | $100,007 | $19.09 | 5,240 | 5,240 | 29 Aug 2025 | Direct | |
| Gregoire Maes | CMPO | Class A Common Stock | Sale | -11.1% | $1,882,295 | $19.36 | -97,226 | 779,062 | 14 Aug 2025 | Direct |
| Gregoire Maes | CMPO | Class A Common Stock | Options Exercise | 12.5% | 97,226 | 876,288 | 14 Aug 2025 | Direct | ||
| Gregoire Maes | CMPO | Stock Option (Right to Buy) | Options Exercise | -100% | -97,226 | 0 | 14 Aug 2025 | Direct | ||
| Gregoire Maes | CMPO | Class A Common Stock | Sale | -2.49% | $383,255 | $19.26 | -19,899 | 779,062 | 13 Aug 2025 | Direct |
| Gregoire Maes | CMPO | Class A Common Stock | Options Exercise | 2.55% | 19,899 | 798,961 | 13 Aug 2025 | Direct | ||
| Gregoire Maes | CMPO | Stock Option (Right to Buy) | Options Exercise | -17% | -19,899 | 97,226 | 13 Aug 2025 | Direct | ||
| Amanda Mandy Gourbault | CMPO | Class A Common Stock | Sale | -9.65% | $1,623,642 | $19.02 | -85,365 | 799,668 | 13 Aug 2025 | Direct |
| Kevin M. Moriarty | CMPO | Class A Common Stock | Purchase | $250,640 | $19.28 | 13,000 | 13,000 | 13 Aug 2025 | Direct | |
| Timothy Walter Fitzsimmons | CMPO | Class A Common Stock | Sale | -11.6% | $1,874,000 | $18.74 | -100,000 | 759,789 | 12 Aug 2025 | Direct |
| Rebecca Corbin Loree | CMPO | Stock Option (Right to Buy) | Award | 6,967 | 6,967 | 30 Jul 2025 | Direct | |||
| Kevin M. Moriarty | CMPO | Stock Option (Right to Buy) | Award | 6,998 | 6,998 | 29 Jul 2025 | Direct | |||
| Kevin M. Moriarty | CMPO | Stock Option (Right to Buy) | Award | 56,570 | 29,491 | 12 Jul 2025 | Direct |
* indicates a reported price that failed the local validity check.