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Table of Contents ( 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 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 For the transition period from to Commission file number : 001-36397 WEIBO CORPORATION ( Exact name of Registrant as specified in its charter ) Cayman Islands ( Jurisdiction of incorporation or organization ) 8 / F , QIHAO Plaza , No. 8 Xinyuan S. Road Chaoyang District , Beijing 100027 People's Republic of China ( Address of principal executive offices ) Fei Cao , Chief Financial Officer Phone : +86 10 5898-3095 Facsimile : +86 10 8260-8888 8 / F , QIHAO Plaza , No. 8 Xinyuan S. Road , Chaoyang District Beijing 100027 , People's Republic of China ( 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 American depositary shares , each representing one Class A ordinary shares Class A ordinary Shares , par value $ 0.00025 per share * Trading Symbol ( s ) WB Name of each exchange on which registered The Nasdaq Stock Market LLC ( Nasdaq Global Select Market ) The Nasdaq Stock Market LLC ( Nasdaq Global Select Market ) Not for trading , but only in connection with the listing on The Nasdaq Global Select Market of American depositary shares . Securities registered or to be registered pursuant to Section 12 ( g ) of the Act . Not Applicable ( Title of Class )