<SEC-DOCUMENT>0001140361-17-021746.txt : 20170522
<SEC-HEADER>0001140361-17-021746.hdr.sgml : 20170522
<ACCEPTANCE-DATETIME>20170522164136
ACCESSION NUMBER:		0001140361-17-021746
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170519
FILED AS OF DATE:		20170522
DATE AS OF CHANGE:		20170522

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DARLING INGREDIENTS INC.
		CENTRAL INDEX KEY:			0000916540
		STANDARD INDUSTRIAL CLASSIFICATION:	FATS & OILS [2070]
		IRS NUMBER:				362495346
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1230

	BUSINESS ADDRESS:	
		STREET 1:		251 O CONNOR RIDGE BLVD
		STREET 2:		STE 300
		CITY:			IRVING
		STATE:			TX
		ZIP:			75038
		BUSINESS PHONE:		9727170300

	MAIL ADDRESS:	
		STREET 1:		251 OCONNOR RIDGE BLVD
		STREET 2:		#300
		CITY:			IRVING
		STATE:			TX
		ZIP:			75038

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DARLING INTERNATIONAL INC
		DATE OF NAME CHANGE:	19931223

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LYNCH PATRICK C
		CENTRAL INDEX KEY:			0001145964

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13323
		FILM NUMBER:		17861451

	MAIL ADDRESS:	
		STREET 1:		2859 PACES FERRY RD
		STREET 2:		STE 2000
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30339
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-05-19</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000916540</issuerCik>
        <issuerName>DARLING INGREDIENTS INC.</issuerName>
        <issuerTradingSymbol>DAR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001145964</rptOwnerCik>
            <rptOwnerName>LYNCH PATRICK C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>251 O'CONNOR RIDGE BLVD.</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 300</rptOwnerStreet2>
            <rptOwnerCity>IRVING</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75038</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP - Chief Financial Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-05-19</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>18820</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>15.93</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>128958</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">This transaction was executed in multiple trades at prices ranging from $15.925 to $15.96;  The price reported reflects the weighted average purchase price.  The reporting person hereby undertakes to provide full information regarding the number of shares and prices at which the transactions were effected upon request to the SEC staff, the issuer, or a security holder of the issuer.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Patrick C. Lynch</signatureName>
        <signatureDate>2017-05-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
