<SEC-DOCUMENT>0001466605-25-000009.txt : 20251117
<SEC-HEADER>0001466605-25-000009.hdr.sgml : 20251117
<ACCEPTANCE-DATETIME>20251117174002
ACCESSION NUMBER:		0001466605-25-000009
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20251114
FILED AS OF DATE:		20251117
DATE AS OF CHANGE:		20251117

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LIVEK WILLIAM PAUL
		CENTRAL INDEX KEY:			0001466605
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33520
		FILM NUMBER:		251492233

	MAIL ADDRESS:	
		STREET 1:		11950 DEMOCRACY DRIVE, STE. 600
		CITY:			RESTON
		STATE:			VA
		ZIP:			20190

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COMSCORE, INC.
		CENTRAL INDEX KEY:			0001158172
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
		ORGANIZATION NAME:           	07 Trade & Services
		EIN:				541955550
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		11950 DEMOCRACY DRIVE
		STREET 2:		SUITE 600
		CITY:			RESTON
		STATE:			VA
		ZIP:			20190
		BUSINESS PHONE:		703-438-2000

	MAIL ADDRESS:	
		STREET 1:		11950 DEMOCRACY DRIVE
		STREET 2:		SUITE 600
		CITY:			RESTON
		STATE:			VA
		ZIP:			20190

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COMSCORE NETWORKS INC
		DATE OF NAME CHANGE:	20010827
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1763419199.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-11-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001158172</issuerCik>
        <issuerName>COMSCORE, INC.</issuerName>
        <issuerTradingSymbol>SCOR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001466605</rptOwnerCik>
            <rptOwnerName>LIVEK WILLIAM PAUL</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O COMSCORE, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>11950 DEMOCRACY DRIVE, STE. 600</rptOwnerStreet2>
            <rptOwnerCity>RESTON</rptOwnerCity>
            <rptOwnerState>VA</rptOwnerState>
            <rptOwnerZipCode>20190</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-11-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>9900</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>6.55</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>187473</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">This sale represents the number of shares sold by the reporting person for tax and estate planning purposes. Following the last sale reported in this Form 4, the reporting person retains 91% of the securities that were reported in Table I as beneficially owned prior to the first sale on 11/10/2025.</footnote>
        <footnote id="F2">The reported price on Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.50 to $6.68 per share. The reporting person undertakes to provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Ashley Wright, Attorney-in-Fact</signatureName>
        <signatureDate>2025-11-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
