<SEC-DOCUMENT>0001576427-22-000014.txt : 20220228
<SEC-HEADER>0001576427-22-000014.hdr.sgml : 20220228
<ACCEPTANCE-DATETIME>20220228183303
ACCESSION NUMBER:		0001576427-22-000014
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220224
FILED AS OF DATE:		20220228
DATE AS OF CHANGE:		20220228

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Glickman Sarah JS
		CENTRAL INDEX KEY:			0001749338

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36153
		FILM NUMBER:		22692565

	MAIL ADDRESS:	
		STREET 1:		60 BINNEY STREET
		STREET 2:		C/O BLUEBIRD BIO, INC.
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Criteo S.A.
		CENTRAL INDEX KEY:			0001576427
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-ADVERTISING AGENCIES [7311]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			I0
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		32 RUE BLANCHE
		CITY:			PARIS
		STATE:			I0
		ZIP:			75009
		BUSINESS PHONE:		33140402290

	MAIL ADDRESS:	
		STREET 1:		32 RUE BLANCHE
		CITY:			PARIS
		STATE:			I0
		ZIP:			75009
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_164609114076941.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-02-24</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001576427</issuerCik>
        <issuerName>Criteo S.A.</issuerName>
        <issuerTradingSymbol>CRTO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001749338</rptOwnerCik>
            <rptOwnerName>Glickman Sarah JS</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CRITEO LEGAL DEPT.</rptOwnerStreet1>
            <rptOwnerStreet2>387 PARK AVENUE SOUTH, 12TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10016</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>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Ordinary Shares</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2022-02-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>36808</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>147135</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Ordinary Shares</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2022-02-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>110327</value>
                    <footnoteId id="F4"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>257462</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The Ordinary Shares may be represented by American Depository Shares, each of which currently represents one Ordinary Share.</footnote>
        <footnote id="F2">The shares are subject to time based vesting as follows: 50% of the shares will vest on the two-year anniversary of the grant date, and the remainder will vest in equal portions at the end of each quarter during the two-year period thereafter.</footnote>
        <footnote id="F3">For more information about the equity of the issuer held by the reporting person, please see the Issuer's most recent definitive proxy statement filed with the Securities and Exchange Commission (&quot;SEC&quot;).</footnote>
        <footnote id="F4">On October 23, 2020, the reporting person was granted performance-based stock units covering 110,327 shares of the Issuer at the target performance level, which would become eligible to vest based on the achievement of performance goals. On February 24, 2022, the performance criteria were met, resulting in 110,327 shares becoming eligible to time based vesting as follows: 50% of the shares will vest on the two-year anniversary of the grant date, and the remainder will vest in equal portions at the end of each quarter during the two-year period thereafter.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Ryan Damon, as attorney-in-fact for Sarah Glickman</signatureName>
        <signatureDate>2022-02-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
