<SEC-DOCUMENT>0000927089-19-000027.txt : 20190108
<SEC-HEADER>0000927089-19-000027.hdr.sgml : 20190108
<ACCEPTANCE-DATETIME>20190108103227
ACCESSION NUMBER:		0000927089-19-000027
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190104
FILED AS OF DATE:		20190108
DATE AS OF CHANGE:		20190108

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Windes Richard
		CENTRAL INDEX KEY:			0001740419

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23406
		FILM NUMBER:		19514896

	MAIL ADDRESS:	
		STREET 1:		C/O SOUTHERN MISSOURI BANCORP, INC.
		STREET 2:		2991 OAK GROVE ROAD
		CITY:			POPLAR BLUFF
		STATE:			MO
		ZIP:			63901

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SOUTHERN MISSOURI BANCORP, INC.
		CENTRAL INDEX KEY:			0000916907
		STANDARD INDUSTRIAL CLASSIFICATION:	SAVINGS INSTITUTIONS, NOT FEDERALLY CHARTERED [6036]
		IRS NUMBER:				431665523
		STATE OF INCORPORATION:			MO
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		2991 OAK GROVE ROAD
		CITY:			POPLAR BLUFF
		STATE:			MO
		ZIP:			63901
		BUSINESS PHONE:		573-778-1800

	MAIL ADDRESS:	
		STREET 1:		2991 OAK GROVE ROAD
		CITY:			POPLAR BLUFF
		STATE:			MO
		ZIP:			63901

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SOUTHERN MISSOURI BANCORP INC
		DATE OF NAME CHANGE:	19940104
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-01-04</periodOfReport>

    <issuer>
        <issuerCik>0000916907</issuerCik>
        <issuerName>SOUTHERN MISSOURI BANCORP, INC.</issuerName>
        <issuerTradingSymbol>SMBC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001740419</rptOwnerCik>
            <rptOwnerName>Windes Richard</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>S/O SOUTHERN MISSOURI BANCORP, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>2991 OAK GROVE ROAD</rptOwnerStreet2>
            <rptOwnerCity>POPLAR BLUFF</rptOwnerCity>
            <rptOwnerState>MO</rptOwnerState>
            <rptOwnerZipCode>63901</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Lending Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2019-01-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>600</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>600</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>34.35</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2019-01-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2029-01-04</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The shares are scheduled to vest over a five-year period beginning February 9, 2020, with up to 20% of the shares vesting on that date and on each of the next four anniversaries of that date based on the extent to which the Company's annualized return on average assets over the 12 calendar quarters ending immediately prior to the applicable vesting date exceeds a threshold level.</footnote>
        <footnote id="F2">The options become exercisable in 20% installments over a five-year period with the fisrt installment vesting on 1/04/2020.  Each remaining installment vests annually thereafter.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Rick A. Windes</signatureName>
        <signatureDate>2019-01-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
