<SEC-DOCUMENT>0000763563-21-000056.txt : 20210504
<SEC-HEADER>0000763563-21-000056.hdr.sgml : 20210504
<ACCEPTANCE-DATETIME>20210504112740
ACCESSION NUMBER:		0000763563-21-000056
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210503
FILED AS OF DATE:		20210504
DATE AS OF CHANGE:		20210504

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DALRYMPLE ROBERT H
		CENTRAL INDEX KEY:			0001183768

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35741
		FILM NUMBER:		21886821

	MAIL ADDRESS:	
		STREET 1:		ONE CHEMUNG CANAL PLAZA
		STREET 2:		PO BOX 1522
		CITY:			ELMIRA
		STATE:			NY
		ZIP:			14902-1522

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CHEMUNG FINANCIAL CORP
		CENTRAL INDEX KEY:			0000763563
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				161237038
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE CHEMUNG CANAL PLZ
		STREET 2:		P O BOX 1522
		CITY:			ELMIRA
		STATE:			NY
		ZIP:			14902
		BUSINESS PHONE:		6077373711

	MAIL ADDRESS:	
		STREET 1:		ONE CHEMUNG CANAL PLZ
		STREET 2:		P O BOX 1522
		CITY:			ELMIRA
		STATE:			NY
		ZIP:			14902
</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>2021-05-03</periodOfReport>

    <issuer>
        <issuerCik>0000763563</issuerCik>
        <issuerName>CHEMUNG FINANCIAL CORP</issuerName>
        <issuerTradingSymbol>CHMG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001183768</rptOwnerCik>
            <rptOwnerName>DALRYMPLE ROBERT H</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE CHEMUNG CANAL PLAZA</rptOwnerStreet1>
            <rptOwnerStreet2>PO BOX 1522</rptOwnerStreet2>
            <rptOwnerCity>ELMIRA</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>14902-1522</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-05-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3515</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>42.8701</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10936.583</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>BY SPOUSE</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>COMMON STOCK</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>766</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>COMMON STOCK</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>24758</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>BY DALRYMPLE HOLDING CORP.</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>COMMON STOCK</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>234486</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>BY RD WOOD LLC</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Includes dividends issued periodically under issuer's dividend reinvestment plan.</footnote>
        <footnote id="F2">The reporting person disclaims beneficial ownership of these securities and the report shall not be deemed an admission that the reporting person is beneficial owner of such securities for the purpose of Section 16 or for any other purpose.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Kathleen S. McKillip, Attorney-in-Fact, pursuant to Power of Attorney dated April 17, 2019.</signatureName>
        <signatureDate>2021-05-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
