Robbert Rietbroek - 25 Feb 2026 Form 4 Insider Report for GRAPHIC PACKAGING HOLDING CO (GPK)

Reporting relationship: President and CEO, Director
Issuer ticker: GPK
Reported as of: 25 Feb 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 26 Feb 2026, 19:18:39 UTC
Prior SEC filing: 05 Jan 2026
Next SEC filing: 04 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Robbert Rietbroek, by Laura Lynn Church, Attorney-in-Fact

Key filing fact

Robbert Rietbroek filed Form 4 for GRAPHIC PACKAGING HOLDING CO (GPK) on 26 Feb 2026.

Key facts

This page summarizes Robbert Rietbroek's Form 4 filing for GRAPHIC PACKAGING HOLDING CO (GPK).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 26 Feb 2026, 19:18.

Change

Previous filing in this sequence was filed on 05 Jan 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002002890 Primary reporting owner

Rietbroek Robbert

Relationship: President and CEO, Director
Address: 1500 RIVEREDGE PARKWAY, ATLANTA
Signature: /s/ Robbert Rietbroek, by Laura Lynn Church, Attorney-in-Fact
Signature date: 26 Feb 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

GPK transaction Derivative

Service-Based Restricted Stock Units

Award

Transaction value: $0
Shares: +165,030
Change %
Price: $0.000000
Shares after: 165,030
Date: 25 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 165,030
Exercise price: $0.000000
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

The Service-Based Restricted Stock Units vest and become payable in three substantially equal tranches on the first, second and third anniversaries of the date of grant, except in the event of death, disability, retirement, involuntary termination or change in control.

Footnote F2

The Service-Based Restricted Stock Units expire upon their conversion and payment in shares of the Company's Common Stock as described under "Date Exerciseable."

SEC remarks

The grant of Service-Based Restricted Stock Units is 1/3 of a total grant that includes Performance-Based Restricted Stock Units, which are reportable upon settlement.