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10/10/25 , 1:05 PM Table of Contents Form 20 - F UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 Form 20 - F ( Mark One ) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12 ( b ) OR 12 ( g ) OF THE SECURITIES EXCHANGE ACT OF 1934 or ☑ For or ☐ For or ☐ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 the fiscal year ended December 31 , 2020 . TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 the transition period from to 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 77 Commission file number : 000-51469 Baidu , Inc. ( Exact name of Registrant as specified in its charter ) N / A ( Translation of Registrant's name into English ) Cayman Islands ( Jurisdiction of incorporation or organization ) Baidu Campus No. 10 Shangdi 10th Street Haidian District , Beijing 100085 The People's Republic of China ( Address of principal executive offices ) Herman Yu , Chief Financial Officer Telephone : + ( 86 10 ) 5992-8888 Email : ir@baidu.com Facsimile : + ( 86 10 ) 5992-0000 Baidu Campus No. 10 Shangdi 10th Street , Haidian District , Beijing 100085 The People's Republic of China ( Name , Telephone , Email 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 American depositary share representing eight Class A ordinary share , par value US $ 0.000000625 per share ) Class A ordinary shares , par value US $ 0.000000625 per share * Trading Symbol BIDU Name of Each Exchange on Which Registered The Nasdaq Stock Market LLC ( The Nasdaq Global Select Market ) The Nasdaq Stock Market LLC ( The 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 : None ( Title of Class ) Securities for which there is a reporting obligation pursuant to Section 15 ( d ) of the Act : None ( Title of Class ) Indicate the number of outstanding shares of each of the Issuer's classes of capital or common stock as of the close of the period covered by the annual report 2,107,228,720 Class A ordinary shares and 571,900,320 Class B ordinary shares , par value US $ 0.000000625 per share , as of December 31 , 2020 . Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes > No ☐ If this report is an annual or transition report , indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15 ( d ) of the Securities Exchange Act of 1934. 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 , if any , 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 or an emerging growth company . See definition of " large accelerated filer , " " accelerated filer " " emerging growth company " in Rule 12b - 2 of the Exchange Act . ( Check one ) : Large accelerated filer Accelerated filer Non - accelerated filer Emerging growth company ☐ If an emerging growth company that prepares its financial statements in accordance with U.S. GAAP , 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 . † The term " new or revised financial accounting standard " refers to any update issued by the Financial Accounting Standards Board to its Accounting Standards Codification after April 5 , 2012 . 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 . ☑ Indicate by check mark which basis of accounting the registrant has used to prepare the financial statements included in this filing : U.S. GAAP ☑ International Financial Reporting Standards as issued by the International Accounting Standards Board Other If " Other " has been checked in response to the previous question , indicate by check mark which financial statement item the registrant has elected to follow . Item 17 Item 18 https://www.sec.gov/Archives/edgar/data/1329099/000119312521074038/d46900d20f.htm 1/284