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SEC EDGAR · Insider purchase

GPK: Stafeil Jeffrey reported buying shares

1 reported purchase of non-derivative securities. Code P includes open-market and private purchases; it does not establish motive.

Follow GPK
Became public
May 11, 2026, 4:15 PM EDT
Event / period date
May 7, 2026
Collected
Nov 10, 2026, 8:16 PM EST

Why this is connected

This filing identifies GRAPHIC PACKAGING HOLDING CO as the issuer of the security. The company's SEC identifier connects it to GPK.

Open the original source ↗Follow company activity in GPK

Reported transactions

Stafeil Jeffrey (Director)

17,878.282 shares · Common Stock

May 7, 2026 · $11.1868 per share

Value calculated from the reported shares and prices: $200,000.77.

Code P covers open-market and private purchases. Grants, option exercises, and tax withholding are excluded from purchase results. Read the source footnotes for ownership and pricing details.

Source evidence

Read the source excerpt or record
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0609</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2026-05-07</periodOfReport>

    <issuer>
        <issuerCik>0001408075</issuerCik>
        <issuerName>GRAPHIC PACKAGING HOLDING CO</issuerName>
        <issuerTradingSymbol>GPK</issuerTradingSymbol>
        <issuerForeignTradingSymbol></issuerForeignTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001439140</rptOwnerCik>
            <rptOwnerName>Stafeil Jeffrey</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>false</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>1500 RIVEREDGE PARKWAY, N.W.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ATLANTA</rptOwnerCity>
            <rptOwnerState>GA</rptOwnerState>
            <rptOwnerZipCode>30328</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2026-05-07</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>17878.282</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.1868</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>17878.282</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The 17,878.282 shares were purchased through a number of separate trades, with purchase prices ranging from $11.17 to $11.19, and a weighted average purchase price of $11.1868.  The Reporting Person undertakes to provide, upon request by the Staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer, full information regarding the number of shares purchased at each separate purchase price.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Jeffrey Stafeil by Laura Lynn Church, Attorney-in-Fact</signatureName>
        <signatureDate>2026-05-11</signatureDate>
    </ownerSignature>
</ownershipDocument>

Congressional trading in GPK

These disclosures provide context. Their presence does not establish a link between a trader and the event.

Original documents control. Public records can be amended, and company connections may require interpretation. Nothing here is investment advice.