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( Mark One ) 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 Commission file number : 001-36324 VARONIS SYSTEMS , INC . ( Exact name of registrant as specified in its charter ) Delaware ( State or other jurisdiction of incorporation or organization ) Common Stock , par value $ 0.001 per share ( Title of class ) to Trading Symbol ( s ) 1250 Broadway , 29th Floor New York , NY 10001 ( Address of principal executive offices including zip code ) Registrant's telephone number , including area code : ( 877 ) 292-8767 Securities registered pursuant to Section 12 ( b ) of the Act : VRNS 57-1222280 ( I.R.S. Employer Identification No. ) The NASDAQ Stock Market LLC ( Name of exchange on which registered ) 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 区