<SEC-DOCUMENT>0001490281-16-000219.txt : 20161110
<SEC-HEADER>0001490281-16-000219.hdr.sgml : 20161110
<ACCEPTANCE-DATETIME>20161110195530
ACCESSION NUMBER:		0001490281-16-000219
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20161109
FILED AS OF DATE:		20161110
DATE AS OF CHANGE:		20161110

ISSUER:		

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

	BUSINESS ADDRESS:	
		STREET 1:		600 WEST CHICAGO AVENUE, SUITE 400
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60654
		BUSINESS PHONE:		(312) 334-1579

	MAIL ADDRESS:	
		STREET 1:		600 WEST CHICAGO AVENUE, SUITE 400
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60654

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Sullivan James
		CENTRAL INDEX KEY:			0001681193

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35335
		FILM NUMBER:		161989742

	MAIL ADDRESS:	
		STREET 1:		600 W. CHICAGO AVE
		STREET 2:		SUITE 400
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60654

	FORMER NAME:	
		FORMER CONFORMED NAME:	Sullivan James Stone
		DATE OF NAME CHANGE:	20160801
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_147882571729168.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2016-11-09</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001681193</rptOwnerCik>
            <rptOwnerName>Sullivan James</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O GROUPON, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>600 W. CHICAGO AVE., SUITE 400</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60654</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Product Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2016-11-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>20000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3.80</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>302173</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">On October 31, 2016, each share of the Issuer's Class A common stock  automatically converted on a 1-for-1 basis into a new class of stock designated Common Stock pursuant to the terms of the Issuer's amended and restated certificate of incorporation (the &quot;Conversion&quot;). Prior to the Conversion, these shares were reported as shares of Class A common stock.</footnote>
        <footnote id="F2">The transactions reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person. The reported price reflects the weighted average sale price per share for the transactions on November 9, 2016. The price per share for such transactions ranged from $3.79 to $3.83. Full information regarding the number of shares sold at each separate price will be provided to the United States Securities and Exchange Commission, the Issuer or a security holder of the Issuer upon a request for such information.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Erin G. Stone, by Power of Attorney</signatureName>
        <signatureDate>2016-11-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
