    <SEC-DOCUMENT>0000763563-25-000068-index.html : 20250423
    <SEC-HEADER>0000763563-25-000068.hdr.sgml : 20250423
    <ACCEPTANCE-DATETIME>20250423091101
    ACCESSION NUMBER:		0000763563-25-000068
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		2
    FILED AS OF DATE:		20250423
    DATE AS OF CHANGE:		20250423

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			CHEMUNG FINANCIAL CORP
    		CENTRAL INDEX KEY:			0000763563
    		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
    		ORGANIZATION NAME:           	02 Finance
    		EIN:				161237038
    		STATE OF INCORPORATION:			NY
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-35741
    		FILM NUMBER:		25859399

    	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>DEFA14A
    <SEQUENCE>1
    <FILENAME>noticeandaccess-4x23x2025.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: noticeandaccess-4x23x2025.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>noticeandaccess2025.jpg
    <TEXT>
    Document 2 - file: noticeandaccess2025.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>