<SEC-DOCUMENT>0001112049-13-000007.txt : 20130925
<SEC-HEADER>0001112049-13-000007.hdr.sgml : 20130925
<ACCEPTANCE-DATETIME>20130925193815
ACCESSION NUMBER:		0001112049-13-000007
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20130924
FILED AS OF DATE:		20130925
DATE AS OF CHANGE:		20130925

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KEMPER Corp
		CENTRAL INDEX KEY:			0000860748
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		IRS NUMBER:				954255452
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE EAST WACKER DRIVE
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601
		BUSINESS PHONE:		3126614600

	MAIL ADDRESS:	
		STREET 1:		ONE EAST WACKER DRIVE
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	UNITRIN INC
		DATE OF NAME CHANGE:	19930328

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mednick Christina Singleton
		CENTRAL INDEX KEY:			0001408652

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-18298
		FILM NUMBER:		131115398

	MAIL ADDRESS:	
		STREET 1:		11661 SAN VICENTE BOULEVARD
		STREET 2:		SUITE 915
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90049

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SINGLETON WILLIAM W
		CENTRAL INDEX KEY:			0001112047

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-18298
		FILM NUMBER:		131115399

	MAIL ADDRESS:	
		STREET 1:		11661 SAN VICENTE BLVD
		STREET 2:		SUITE 915
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90049

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SINGLETON GROUP LLC
		CENTRAL INDEX KEY:			0001112049

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-18298
		FILM NUMBER:		131115400

	BUSINESS ADDRESS:	
		STREET 1:		3419 VIA LIDO
		STREET 2:		#630
		CITY:			NEWPORT BEACH
		STATE:			CA
		ZIP:			92663
		BUSINESS PHONE:		(541) 647-2804

	MAIL ADDRESS:	
		STREET 1:		3419 VIA LIDO
		STREET 2:		#630
		CITY:			NEWPORT BEACH
		STATE:			CA
		ZIP:			92663
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2013-09-24</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000860748</issuerCik>
        <issuerName>KEMPER Corp</issuerName>
        <issuerTradingSymbol>KMPR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001112049</rptOwnerCik>
            <rptOwnerName>SINGLETON GROUP LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3419 VIA LIDO</rptOwnerStreet1>
            <rptOwnerStreet2>#630</rptOwnerStreet2>
            <rptOwnerCity>NEWPORT BEACH</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92663</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001112047</rptOwnerCik>
            <rptOwnerName>SINGLETON WILLIAM W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3419 VIA LIDO</rptOwnerStreet1>
            <rptOwnerStreet2>#630</rptOwnerStreet2>
            <rptOwnerCity>NEWPORT BEACH</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92663</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001408652</rptOwnerCik>
            <rptOwnerName>Mednick Christina Singleton</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3419 VIA LIDO</rptOwnerStreet1>
            <rptOwnerStreet2>#630</rptOwnerStreet2>
            <rptOwnerCity>NEWPORT BEACH</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92663</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2013-09-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>25000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>34.32</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9959520</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2013-09-25</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>44345</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>34.26</value>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9915175</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $34.15 to $34.42, inclusive. The reporting persons undertake to provide, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this Footnote to Form 4.</footnote>
        <footnote id="F2">These shares are owned directly by the Singleton Group LLC. William W. Singleton and Christina Singleton Mednick, as trustees and beneficiaries of certain trusts holding membership interests in the Singleton Group LLC, and as Managers of the Singleton Group LLC, have indirect interests in these shares through Singleton Group LLC. William W. Singleton and Christina Singleton Mednick are filing jointly with the Singleton Group LLC, but disclaim beneficial interests of the Kemper Corporation shares held by the Singleton Group, LLC, except to the extent of their respective pecuniary interest therein.</footnote>
        <footnote id="F3">The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $34.15 to $34.40, inclusive. The reporting persons undertake to provide, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this Footnote to Form 4.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Donald E. Rugg, as manager of the Singleton Group LLC and Attorney-in-fact for William W. Singleton and Christina Singleton Mednick</signatureName>
        <signatureDate>2013-09-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
