<SEC-DOCUMENT>0000852772-22-000034.txt : 20220207
<SEC-HEADER>0000852772-22-000034.hdr.sgml : 20220207
<ACCEPTANCE-DATETIME>20220207180323
ACCESSION NUMBER:		0000852772-22-000034
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220204
FILED AS OF DATE:		20220207
DATE AS OF CHANGE:		20220207

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Gilmore Jay C
		CENTRAL INDEX KEY:			0001401118

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-18051
		FILM NUMBER:		22598729

	MAIL ADDRESS:	
		STREET 1:		203 EAST MAIN STREET
		STREET 2:		MSP1202
		CITY:			SPARTANBURG
		STATE:			SC
		ZIP:			29319

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DENNY'S Corp
		CENTRAL INDEX KEY:			0000852772
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-EATING PLACES [5812]
		IRS NUMBER:				133487402
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1229

	BUSINESS ADDRESS:	
		STREET 1:		203 EAST MAIN STREET
		CITY:			SPARTANBURG
		STATE:			SC
		ZIP:			29319
		BUSINESS PHONE:		8645978000

	MAIL ADDRESS:	
		STREET 1:		203 EAST MAIN STREET
		CITY:			SPARTANBURG
		STATE:			SC
		ZIP:			29319

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DENNYS CORP
		DATE OF NAME CHANGE:	20020801

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ADVANTICA RESTAURANT GROUP INC
		DATE OF NAME CHANGE:	19980107

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FLAGSTAR COMPANIES INC
		DATE OF NAME CHANGE:	19930722
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_164427497983319.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-02-04</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000852772</issuerCik>
        <issuerName>DENNY'S Corp</issuerName>
        <issuerTradingSymbol>DENN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001401118</rptOwnerCik>
            <rptOwnerName>Gilmore Jay C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>DENNY'S CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>203 EAST MAIN STREET</rptOwnerStreet2>
            <rptOwnerCity>SPARTANBURG</rptOwnerCity>
            <rptOwnerState>SC</rptOwnerState>
            <rptOwnerZipCode>29319</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Sr. VP, CAO &amp; Corp. Controller</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2022-02-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>8812</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>8812.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8812</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The restricted stock units, which were granted under the Denny's Corporation 2021 Omnibus Incentive Plan, will vest in three (3) equal installments on the last day of the Company's 2022, 2023, and 2024 fiscal years and are payable on a &quot;1-for-1&quot; basis in common stock of the Issuer within 30 days of the vesting date, subject to continued employment with the Issuer through such date, unless vesting is accelerated due to retirement, death, disability or change of control.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jasmine Taylor, Attorney-in-Fact</signatureName>
        <signatureDate>2022-02-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
