<SEC-DOCUMENT>0001381668-16-000272.txt : 20161206
<SEC-HEADER>0001381668-16-000272.hdr.sgml : 20161206
<ACCEPTANCE-DATETIME>20161206152012
ACCESSION NUMBER:		0001381668-16-000272
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20161202
FILED AS OF DATE:		20161206
DATE AS OF CHANGE:		20161206

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TFS Financial CORP
		CENTRAL INDEX KEY:			0001381668
		STANDARD INDUSTRIAL CLASSIFICATION:	SAVINGS INSTITUTION, FEDERALLY CHARTERED [6035]
		IRS NUMBER:				522054948
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		7007 BROADWAY AVENUE
		CITY:			CLEVELAND
		STATE:			OH
		ZIP:			44105
		BUSINESS PHONE:		(216) 441-6000

	MAIL ADDRESS:	
		STREET 1:		7007 BROADWAY AVENUE
		CITY:			CLEVELAND
		STATE:			OH
		ZIP:			44105

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Zbanek Cathy W
		CENTRAL INDEX KEY:			0001566345

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33390
		FILM NUMBER:		162036188

	MAIL ADDRESS:	
		STREET 1:		7007 BROADWAY AVENUE
		CITY:			CLEVELAND
		STATE:			OH
		ZIP:			44105
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_148105559964038.xml
<DESCRIPTION>FORM 4
<TEXT>
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    <periodOfReport>2016-12-02</periodOfReport>

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    <issuer>
        <issuerCik>0001381668</issuerCik>
        <issuerName>TFS Financial CORP</issuerName>
        <issuerTradingSymbol>TFSL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001566345</rptOwnerCik>
            <rptOwnerName>Zbanek Cathy W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>7007 BROADWAY AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CLEVELAND</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>44105</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Mkting Off of subsidiary</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
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                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2016-12-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>1400</value>
                    <footnoteId id="F1"/>
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                <transactionPricePerShare>
                    <value>0</value>
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                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
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                    <value>19922</value>
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            <ownershipNature>
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            <ownershipNature>
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                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By 401(k)</value>
                    <footnoteId id="F3"/>
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            </ownershipNature>
        </nonDerivativeHolding>
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    <derivativeTable>
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                <footnoteId id="F5"/>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
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            </underlyingSecurity>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>16320.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>16320</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
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                    <value>4500.0</value>
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                    <value>4500</value>
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            </securityTitle>
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                <value>11.95</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F8"/>
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            <expirationDate>
                <value>2019-08-10</value>
            </expirationDate>
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                <underlyingSecurityTitle>
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            </securityTitle>
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            <exerciseDate>
                <footnoteId id="F9"/>
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            <expirationDate>
                <value>2025-12-17</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>49200.0</value>
                </underlyingSecurityShares>
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            <exerciseDate>
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            </expirationDate>
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            <expirationDate>
                <value>2023-12-03</value>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                <underlyingSecurityShares>
                    <value>28700.0</value>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>28700</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
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                    <value>Common Stock</value>
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        <derivativeHolding>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
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                <value>8.61</value>
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                <footnoteId id="F13"/>
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            <expirationDate>
                <value>2021-12-19</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                    <value>40000.0</value>
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                <sharesOwnedFollowingTransaction>
                    <value>40000</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>14.85</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F14"/>
            </exerciseDate>
            <expirationDate>
                <value>2024-12-18</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>32400.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
                    <value>32400</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
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    <footnotes>
        <footnote id="F1">These common shares were acquired upon the vesting and settlement of certain restricted stock units.</footnote>
        <footnote id="F2">These common shares were delivered to the issuer to pay for the applicable withholding tax due upon vesting of certain restricted stock units.</footnote>
        <footnote id="F3">Reflects transactions not required to be reported under Section 16 of the Securities Exchange Act, as amended.</footnote>
        <footnote id="F4">Each restricted stock unit represents a contingent right to receive one share of TFS Financial Corporation common stock.  Restricted stock units are entitled to dividend equivalent rights in the form of a cash payment in the amount of any cash dividend paid per share of common stock.</footnote>
        <footnote id="F5">As reported on a Form 4 dated December 12, 2013, the reporting person received a grant of 4,200 Restricted Stock Units (&quot;RSU's&quot;) on December 3, 2013.  These RSU's vest in three equal annual installments beginning December 3, 2014.</footnote>
        <footnote id="F6">As reported on a Form 4 dated May 29, 2015, the reporting person received a grant of 20,400 Restricted Stock Units (&quot;RSUs&quot;) on May 28, 2015.  These RSUs vest in five equal annual installments beginning on May 28, 2016.</footnote>
        <footnote id="F7">As reported on a Form 4 dated December 17, 2015, the reporting person received a grant of 4,500 Restricted Stock Units (&quot;RSUs&quot;) on December 15, 2015.  These RSUs vest in three equal annual installments beginning December 10, 2016.</footnote>
        <footnote id="F8">The reporting person received a grant of 25,000 stock options on March 12, 2009.  These stock options vest in three equal annual installments beginning August 11, 2011.</footnote>
        <footnote id="F9">As reported on a Form 4 dated December 17, 2015, the reporting person received a grant of 49,200 stock options on December 15, 2015.  These stock options vest in three equal annual installments beginning December 10, 2016.</footnote>
        <footnote id="F10">As reported on a Form 4 dated May 29, 2015, the reporting person received a grant of 108,300 stock options on May 28, 2015.  These stock options vest in five equal annual installments beginning May 28, 2016.</footnote>
        <footnote id="F11">As reported on a Form 4 dated December 12, 2013, the reporting person received a grant of 28,700 stock options.  These stock options vest in three equal installments beginning December 3, 2014.</footnote>
        <footnote id="F12">As reported on a Form 4 dated December 19, 2014, the reporting person received a grant of 3,300 Restricted Stock Units (&quot;RSUs&quot;).  These RSUs vest in three equal annual installments beginning December 10, 2015.</footnote>
        <footnote id="F13">The reporting person received a grant of 40,000 stock options on December 19, 2011 which vest 100% on December 15, 2014.</footnote>
        <footnote id="F14">As reported on a Form 4 dated December 19, 2014, the reporting person received a grant of 32,400 stock options.  These stock options vest in three equal annual installments beginning December 10, 2015.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Paul J. Huml, Pursuant to Power of Attorney</signatureName>
        <signatureDate>2016-12-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</DOCUMENT>
</SEC-DOCUMENT>
