FORM 20-F (Mark One) ☐REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIESEXCHANGE ACT OF 1934 OR ☒ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACTOF 1934For the fiscal year ended December 31, 2023 OR ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGEACT OF 1934 OR ☐SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIESEXCHANGE 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)N/A(Translation of Registrant’s name into English) Cayman Islands(Jurisdiction of incorporation or organization) 8/F, QIHAO Plaza, No. 8 Xinyuan S. RoadChaoyang District, Beijing 100027People’s Republic of China(Address of principal executive offices) Fei Cao, Chief Financial OfficerPhone: +8610 5898-3095 Facsimile: +86 10 8260-88888/F, QIHAO Plaza, No. 8 Xinyuan S. Road, Chaoyang DistrictBeijing 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: 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 ofthe period covered by the annual report. As of December 31, 2023, there were 242,610,942 ordinary shares outstanding, par value US$0.00025 per share, beingthe sum of 154,788,918 Class A ordinary shares and 87,822,024 Class B ordinary shares. Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. ☒Yes☐No Table of Contents If this report is an annual or transition report, indicate by check mark if the registrant is not required to file reportspursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934. ☐Yes☒No Note—Checking the box above will not relieve any registrant required to file reports pursuant to Section 13 or 15(d) ofthe Securities Exchange Act of 1934 from their obligations under those Sections. Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of theSecurities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant wasrequired 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 every Interactive Data File required to besubmitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or forsuch 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, oran emerging growth company. See definition of “large accelerated filer,” “accelerated filer,” and “emerging growthcompany” in Rule 12b-2 of the Exchange Act: 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 checkmark if the registrant has elected not to use the extended transition period for complying with any new or revisedfinancial 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 AccountingStandards 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 ofthe effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.☒ If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statementsof the registrant included in the filing reflect the correction of an error to previously issued financial statements.☐ Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis ofincentive-based compensation received by any of the registrant’s executive officers during the relevant recovery periodpursuant to §240.10D-1(b).☐ Indicate by check mark which basis of accounting the registrant has used to prepare the financial statements included inthis filing: U.S. GAAP☒International Financial Reporting Standards asissuedby the International Accounting Standards Board☐Other☐ If “Other” has been checked in response to the previous question, indicate by c