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( Mark One ) ☐ ☑ ☐ ☐ 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 : 001-38556 ENTERA BIO LTD . ( Exact name of Registrant as specified in its charter ) State of Israel ( Jurisdiction of incorporation or organization ) Kiryat Hadassah Minrav Building - Fifth Floor Jerusalem , Israel ( Address of principal executive offices ) Dr. Spiros Jamas , Chief Executive Officer Kiryat Hadassah Minrav Building - Fifth Floor Jerusalem , Israel Tel : + 972-2-532-7151 Email : Spiros@enterabio.com ( Name , Telephone E - mail and / or Facsimile number and Address of Company Contact Person )