<SEC-DOCUMENT>0001576427-19-000032.txt : 20190425
<SEC-HEADER>0001576427-19-000032.hdr.sgml : 20190425
<ACCEPTANCE-DATETIME>20190425164445
ACCESSION NUMBER:		0001576427-19-000032
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20190425
FILED AS OF DATE:		20190425
DATE AS OF CHANGE:		20190425

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Rudelle Jean-Baptiste
		CENTRAL INDEX KEY:			0001599373

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36153
		FILM NUMBER:		19768046

	MAIL ADDRESS:	
		STREET 1:		C/O CRITEO S.A.
		STREET 2:		32 RUE BLANCHE
		CITY:			PARIS
		STATE:			I0
		ZIP:			75009

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_155622507036308.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-04-25</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001599373</rptOwnerCik>
            <rptOwnerName>Rudelle Jean-Baptiste</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>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Executive Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Ordinary Shares</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2019-04-25</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>111458</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>222916</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>2019-04-25</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F4"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>145833</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>291666</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 represents One Ordinary Share.</footnote>
        <footnote id="F2">The shares are subject to time-based vesting as described in the proxy statement.</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.</footnote>
        <footnote id="F4">The shares are subject to time based vesting as follows: 70% 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 year during the two-year period thereafter.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Benoit Fouilland, as attorney-in-fact for Jean-Baptiste Rudelle</signatureName>
        <signatureDate>2019-04-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>ex-24.htm
<DESCRIPTION>DELEGATION OF POA (BENOIT TO RYAN)
<TEXT>
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<pre>
DELEGATION OF POWER OF ATTORNEY

By those certain Powers of Attorney granted to Benoit Fouilland by (i) Jean-Baptiste Rudelle on August 26, 2017; (ii) Nathalie Balla on May 17, 2017; (iii) Edmond Mesrobian on February 27, 2017; (iv) Hubert de Pesquidoux on September 20, 2017; (v) Rachel Picard on May 22, 2017; (vi) Sharon Fox Spielman on October 5, 2017; (vii) James Warner on September 17, 2017; (viii) Mary Spilman on September 1, 2017; and (ix) Dan Teodosiu on September 1, 2017 (collectively the "POAs", such individuals granting POAs, collectively the "Principals")  regarding Criteo S.A. (the "Company") and certain matters related to Section 16(a) of the Securities Exchange Act of 1934 (the "Exchange Act"), each of the Principals appointed Benoit Fouilland as the Principals' true and lawful attorney-in-fact to undertake the acts identified in the POAs. Pursuant to the power and authority granted to him in the POAs, including the power of substitution, Benoit Fouilland hereby appoints Ryan Damon, with full power of substitution, to exercise, on behalf of Principals, all power and authority granted to Benoit Fouilland by the POAs. By signing below, Ryan Damon accepts such appointment, but does not assume any of Principals' responsibilities to comply with Section 16 of the Exchange Act.

This Delegation of Power of Attorney shall remain in full force and effect until each of the Principals are no longer required to file Forms 3, 4, and 5 with respect to Principals' holdings of and transactions in securities issued by the Company, unless earlier revoked by Principals or the undersigned in a signed writing delivered to the foregoing substitute attorney-in-fact. This Delegation of Power of Attorney shall not revoke or replace the POAs or any other power of attorney that Principals have previously granted to the undersigned in filing Forms 3, 4, and 5 with respect to Principals holdings of and transactions in securities issued by the Company.



[REMAINDER OF PAGE INTENTIONALLY LEFT BLANK]

IN WITNESS WHEREOF, the undersigned has caused this Delegation of Power of Attorney to be executed as of August 3, 2018.

By:    /s/ Benoit Fouilland
Benoit Fouilland


ACKNOWLEDGED AND ACCEPTED

By:    /s/ Ryan Damon
Ryan Damon
Date: August 3, 2018
</pre>
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