20-F 1 a15-25021_120f.htm 20-F Table of Contents UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWASHINGTON, D.C. 20549 FORM 20-F (Mark One) 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 1934For the fiscal year ended December 31, 2015 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) 7/F, Shuohuang Development Plaza,No. 6 Caihefang Road, Haidian DistrictBeijing 100080, People’s Republic of China(Address of principal executive offices) Herman Yu, Chief Financial OfficerPhone: +86 10 5898-3007Facsimile: +86 10 8260-71677/F, Shuohuang Development Plaza,No. 6 Caihefang Road, Haidian DistrictBeijing 100080, 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 Name of each exchange on which registeredAmerican depositary shares, each representing one Class A ordinary shares The NASDAQ Stock Market LLC (NASDAQ Global Select Market)Class A ordinary Shares, par value $0.00025 per share* 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) Securities for which there is a reporting obligation pursuant to Section 15(d) of the Act. Not Applicable(Title of Class) As of December 31, 2015, there were 212,177,390 ordinary shares outstanding, par value $0.00025 per share, being the sum of 96,168,168 Class A ordinary shares and 116,009,222 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 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 and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§229.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes  No Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer or a non-accelerated filer. See the definitions of “large accelerated filer,” and “accelerated filer” in Rule 12b-2 of the Exchange Act. (Check one): Large accelerated filer  Accelerated filer  Non-accelerated filer  (Do not check if a smaller reporting company) 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 issuedby 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 If this is an annual report, indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes  No (APPLICABLE ONLY TO ISSUERS INVOLVED IN BANKRUPTCY PROCEEDINGS DURING THE PAST FIVE YEARS) Indicate by check mark whether the registrant has filed all documents and reports required to be filed by Sections 12, 13 or 15(d) of the Securities Exchange Act of 1934 subsequent to the distribution of securities under a plan confirmed by a court.  Yes  No Table of Contents TABLE OF CONTENTS INTRODUCTION1 INFORMATION REGARDING FORWARD-LOOKING STATEMENTS3 PART I 4Item 1.Identity of Directors, Senior Management and Advisers4Item 2.Offer Statistics and Expected Timetable4Item 3.Key Information4Item 4.Informa