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As filed with the Securities and Exchange Commission on March 8 , 2021 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON , D.C. 20549 FORM 20 - F REGISTRATION STATEMENT PURSUANT TO SECTION 12 ( b ) OR ( g ) OF THE SECURITIES EXCHANGE ACT OF ☐ 1934 OR 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 ☐ OR SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of event requiring this shell company report Commission file number 0-30862 CERAGON NETWORKS LTD . ( Exact Name of Registrant as Specified in Its Charter ) Israel ( Jurisdiction of Incorporation or Organization ) 24 Raoul Wallenberg Street , Tel Aviv 6971920 , Israel ( Address of Principal Executive Offices ) Zvi Maayan ( +972 ) 3-543-1643 ( tel . ) , ( +972 ) 3-543-1600 ( fax ) , 24 Raoul Wallenberg Street , Tel Aviv 6971920 , Israel ( Name , Telephone , E - mail and / or Facsimile Number and Address of Company Contact Person ) Securities registered or to be registered pursuant to Section 12 ( b ) of the Act : Title of Each Class Ordinary Shares , Par Value NIS 0.01 Trading Symbol ( s ) CRNT Name of Each Exchange on Which Registered Nasdaq Global Select Market