GPGI, Inc. (GPGI) director Loree Corbin adds 3,925 shares in open-market buy

Rhea-AI Filing Summary

GPGI, Inc. director Loree Rebecca Corbin reported an open-market purchase of Class A Common Stock. She bought 3,925 shares on May 12, 2026 at a weighted average price of $12.87 per share, in multiple trades between $12.70 and $12.94. After this transaction, she directly owns 63,220 shares of GPGI’s Class A Common Stock.

Insider Trade Summary

Net Buyer: 3,925 shares ($50,515)

Net Buy 1 txn

Insider Loree Rebecca Corbin

Role null

Bought 3,925 shs ($51K)

Type	Security	Shares	Price	Value
Purchase	Class A Common Stock	3,925	$12.87	$51K

Holdings After Transaction: Class A Common Stock — 63,220 shares (Direct, null)

Footnotes (1)

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Key Figures

Shares purchased: 3,925 shares Weighted average price: $12.87 per share Post-transaction holdings: 63,220 shares +1 more

4 metrics

Shares purchased 3,925 shares Open-market buy on May 12, 2026

Weighted average price $12.87 per share Price for 3,925 shares purchased

Post-transaction holdings 63,220 shares Class A Common Stock directly owned after trade

Trade price range $12.70–$12.94 per share Range of individual trades included in the purchase

Key Terms

open-market purchase, weighted average price, Class A Common Stock, Form 4

4 terms

open-market purchase financial

"transaction_action: "open-market purchase" for 3,925 shares of Class A Common Stock"

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

weighted average price financial

"The price reported in Column 4 is the weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

Class A Common Stock financial

"security_title: "Class A Common Stock""

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Loree Rebecca Corbin

(Last) (First) (Middle)

C/O GPGI, INC.

309 PIERCE STREET

(Street)

SOMERSET NEW JERSEY 08873

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
GPGI, Inc. [ GPGI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/12/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	05/12/2026		P		3,925	A	$12.87(1)	63,220	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The price reported in Column 4 is the weighted average price. These shares were purchased in multiple transactions at prices ranging from $12.70 to $12.94, inclusive. The reporting person undertakes to provide GPGI, 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 such range.

	/s/ David A.P. Marshall, Attorney-in-Fact for Rebecca Corbin Loree	05/14/2026
	** Signature of Reporting Person	Date
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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did GPGI, Inc. disclose for director Loree Rebecca Corbin?

GPGI, Inc. disclosed that director Loree Rebecca Corbin made an open-market purchase of Class A Common Stock. She bought 3,925 shares on May 12, 2026, increasing her direct ownership to 63,220 shares after the transaction.

How many GPGI shares did Loree Rebecca Corbin buy and at what price?

Loree Rebecca Corbin bought 3,925 GPGI Class A Common Stock shares. The weighted average purchase price was $12.87 per share, with individual trades executed in a price range from $12.70 to $12.94, according to the Form 4 disclosure.

What is Loree Rebecca Corbin’s total GPGI share ownership after this Form 4 transaction?

After the reported purchase, Loree Rebecca Corbin directly owns 63,220 shares of GPGI Class A Common Stock. This total reflects her holdings immediately following the May 12, 2026 open-market transaction disclosed in the Form 4 filing with the SEC.

Was the GPGI insider trade by Loree Rebecca Corbin an open-market purchase or another type of transaction?

The transaction was an open-market purchase of GPGI Class A Common Stock. The Form 4 lists transaction code “P,” defined as a purchase in the open market or a private transaction, and classifies the direction as a buy transaction for 3,925 shares.

Does the GPGI Form 4 footnote provide details on the trade price range?

Yes. The footnote states the reported $12.87 price is a weighted average. The 3,925 shares were bought in multiple transactions at prices ranging from $12.70 to $12.94, and detailed breakdowns are available upon request to the company or SEC staff.

Are there any derivative securities reported for Loree Rebecca Corbin in this GPGI Form 4?

No derivative securities are listed for Loree Rebecca Corbin in this Form 4. The filing shows only a non-derivative transaction in Class A Common Stock, and the derivative summary section is empty, indicating no options or similar instruments reported here.

How might investors in CMPO or GPGI use this Form 4 information?

Investors can view this Form 4 as a factual record of insider activity at GPGI. It confirms that a board director increased her direct shareholdings via open-market purchases, providing transparent insight into insider ownership levels without implying any recommendation or outlook.