<SEC-DOCUMENT>0001628280-25-040174.txt : 20250813
<SEC-HEADER>0001628280-25-040174.hdr.sgml : 20250813
<ACCEPTANCE-DATETIME>20250813165825
ACCESSION NUMBER:		0001628280-25-040174
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250811
FILED AS OF DATE:		20250813
DATE AS OF CHANGE:		20250813

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ponrt Jiri
		CENTRAL INDEX KEY:			0001973423
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35335
		FILM NUMBER:		251212603

	MAIL ADDRESS:	
		STREET 1:		600 W CHICAGO AVE
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60654

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Groupon, Inc.
		CENTRAL INDEX KEY:			0001490281
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-ADVERTISING AGENCIES [7311]
		ORGANIZATION NAME:           	07 Trade & Services
		EIN:				270903295
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		35 W. WACKER, FLOOR 25
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601
		BUSINESS PHONE:		3128728670

	MAIL ADDRESS:	
		STREET 1:		35 W. WACKER, FLOOR 25
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1755118700.xml
<DESCRIPTION>FORM 4
<TEXT>
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    <documentType>4</documentType>

    <periodOfReport>2025-08-11</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001490281</issuerCik>
        <issuerName>Groupon, Inc.</issuerName>
        <issuerTradingSymbol>GRPN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001973423</rptOwnerCik>
            <rptOwnerName>Ponrt Jiri</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>35 W.  WACKER</rptOwnerStreet1>
            <rptOwnerStreet2>FLOOR 25</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60601</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Financial Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

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            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>40968</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
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                    <value>207044</value>
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                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
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                <value>Performance Share Units</value>
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                <transactionCode>A</transactionCode>
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                    <value>2157</value>
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                    <value>A</value>
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                <footnoteId id="F5"/>
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                    <value>2157</value>
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                    <value>6471</value>
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                    <value>D</value>
                </directOrIndirectOwnership>
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    <footnotes>
        <footnote id="F1">Shares withheld by the issuer to satisfy the mandatory tax withholding requirement upon vesting of restricted stock units. This is not an open market sale of securities.</footnote>
        <footnote id="F2">Each performance stock unit represents a contingent right to receive one share of Common Stock.</footnote>
        <footnote id="F3">The number of shares of Common Stock that will be acquired on vesting of the performance shares is contingent upon the achievement of pre-established stock price hurdles over a three-year performance period beginning on May 1, 2024, and ending on May 1, 2027; and achievement of continued service conditions measured on each of May 1, 2025, May 1, 2026, and May 1, 2027. The performance shares shall vest immediately upon certification of the achievement of both conditions by the compensation committee of the Issuer.</footnote>
        <footnote id="F4">Reflects forfeiture of 2,157 PSUs originally granted May 1, 2024, due to the 5% reduction under the vesting-modifier performance metric.</footnote>
        <footnote id="F5">This grant was approved by the compensation committee of the board of directors of the Issuer on August, 11 2025. The number of shares of Common Stock that will be acquired on vesting of the performance shares is contingent upon the remediation of material weakness over a two-year performance period beginning on May 1, 2025, and ending on May 1, 2027; and achievement of continued service conditions measured on each of May 1, 2026, and May 1, 2027. The performance shares shall vest immediately upon certification of the achievement of both conditions by the compensation committee of the Issuer.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Kevin McCormick, by Power of Attorney</signatureName>
        <signatureDate>2025-08-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
