<SEC-DOCUMENT>0001628280-20-000719.txt : 20200129
<SEC-HEADER>0001628280-20-000719.hdr.sgml : 20200129
<ACCEPTANCE-DATETIME>20200129175709
ACCESSION NUMBER:		0001628280-20-000719
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200127
FILED AS OF DATE:		20200129
DATE AS OF CHANGE:		20200129

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Boyles Jonathan
		CENTRAL INDEX KEY:			0001633230

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13251
		FILM NUMBER:		20559277

	MAIL ADDRESS:	
		STREET 1:		300 CONTINENTAL DRIVE.
		CITY:			NEWARK
		STATE:			DE
		ZIP:			19713

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SLM Corp
		CENTRAL INDEX KEY:			0001032033
		STANDARD INDUSTRIAL CLASSIFICATION:	PERSONAL CREDIT INSTITUTIONS [6141]
		IRS NUMBER:				522013874
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		300 CONTINENTAL DRIVE
		CITY:			NEWARK
		STATE:			DE
		ZIP:			19713
		BUSINESS PHONE:		(302) 283-8000

	MAIL ADDRESS:	
		STREET 1:		300 CONTINENTAL DRIVE
		CITY:			NEWARK
		STATE:			DE
		ZIP:			19713

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SLM CORP
		DATE OF NAME CHANGE:	20030326

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SALLIE MAE
		DATE OF NAME CHANGE:	20020517

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	USA EDUCATION INC
		DATE OF NAME CHANGE:	20000801
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_158033861187800.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-01-27</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001032033</issuerCik>
        <issuerName>SLM Corp</issuerName>
        <issuerTradingSymbol>SLM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001633230</rptOwnerCik>
            <rptOwnerName>Boyles Jonathan</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>300 CONTINENTAL DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEWARK</rptOwnerCity>
            <rptOwnerState>DE</rptOwnerState>
            <rptOwnerZipCode>19713</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP &amp; Controller</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-01-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3204</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.20</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>60719.1851</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-01-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>687</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.20</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>60032.1851</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">On January 27, 2017, the reporting person was granted restricted stock units (&quot;RSUs&quot;) representing rights to receive shares of common stock of SLM Corporation (the &quot;Company&quot;), subject to vesting conditions, to vest in one-third increments on January 27, 2018, 2019 and 2020. On January 27, 2020, 10,735 shares vested in connection with these RSUs, of which 3,204 shares were withheld by the Company to satisfy the reporting person's tax withholding obligations.</footnote>
        <footnote id="F2">Includes Dividend Equivalent units in connection with RSUs granted under the SLM Corporation 2012 Omnibus Incentive Plan.</footnote>
        <footnote id="F3">On January 27, 2017, the reporting person was granted restricted stock units (&quot;RSUs&quot;) representing rights to receive shares of common stock of SLM Corporation (the &quot;Company&quot;), subject to transfer restrictions that lapse in one-third increments on January 27, 2018, 2019 and 2020. On January 27, 2020, the transfer restrictions lapsed in connection with 2,278 of these RSUs, of which 687 shares were withheld by the Company to satisfy the reporting person's tax withholding obligations.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jeffrey Lipschutz (POA) for Jonathan R. Boyles</signatureName>
        <signatureDate>2020-01-29</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
