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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K × ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31 , 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 0-13888 Chemung Financial Corporation New York CHEMUNG FINANCIAL CORPORATION ( Exact name of registrant as specified in its charter ) ( State or other jurisdiction of incorporation or organization ) One Chemung Canal Plaza , Elmira , New York ( Address of principal executive offices ) 16-1237038 ( I.R.S. Employer Identification No. ) 14901 ( Zip Code ) Registrant's telephone number , including area code : ( 607 ) 737-3711 Securities registered pursuant to Section 12 ( b ) of the Act : Title of each class Common Stock , Par Value $ 0.01 Per Share Trading Symbol CHMG Name of each exchange on which registered Nasdaq Stock Market , LLC Securities registered pursuant to Section 12 ( g ) of the Act : None Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes □ No Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Act . Yes □ No Indicate by check mark whether the registrant ( 1 ) has filed all reports required to be filed by Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 during the preceding 12 months ( or for such shorter period that the registrant was required to file such reports ) , and ( 2 ) has been subject to such filing requirements for the past 90 days . Yes No ☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S - T ( § 232.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registrant was required to submit such files ) . Yes No □ Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , a smaller reporting company , or an emerging growth company . See definitions of " large accelerated filer , " " accelerated filer , " " smaller reporting company , " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . Large accelerated filer ☐ Accelerated filer ☐ Non - accelerated filer Smaller Reporting Company × Emerging Growth Company ☐ Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404 ( b ) of the Sarbanes - Oxley Act ( 15 U.S.C. 7262 ( b ) ) by the registered public accounting firm that prepared or issued its audit report . ☑ If an emerging growth company , indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13 ( a ) of the Exchange Act . □ Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . Yes No Based upon the closing price of the registrant's Common Stock as of June 30 , 2020 , the aggregate market value of the voting stock held by non - affiliates of the registrant was $ 103,726,256 . As of March 12 , 2021 , there were 4,661,598 shares of Common Stock , $ 0.01 par value , outstanding . DOCUMENTS INCORPORATED BY REFERENCE Portions of the Proxy Statement for the Annual Meeting of Shareholders to be held on June 8 , 2021 are incorporated by reference into Part III , Items 10 , 11 , 12 , 13 , and 14 of this Form 10 - K .