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 theannual report. As of December 31, 2023, there were 204,667,094 ordinary shares issued and outstanding, being the sum of (i) 101,902,544 Class A ordinaryshares, par value US$0.00001 per share (excluding 12,831,249 Class A ordinary shares that were issued to our depositary bank and reserved forfuture grants under our share incentive plans and 11,427,510 Class A ordinary shares that were repurchased by us), and (ii) 102,764,550 Class Bordinary shares, par value US$0.00001 per share. 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 Note – Checking the box above will not relieve any registrant required to file reports pursuant to Section 13 or 15(d) of the Securities ExchangeAct 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 the Securities Exchange Actof 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subjectto 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 be submitted pursuant to Rule405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required tosubmit such files).☐ Yes☐ No Table of Contents Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or an emerging growthcompany. See the definitions of “large accelerated filer,” “accelerated filer,” and “emerging growth company” in Rule 12b-2 of the ExchangeAct. If an emerging growth company that prepares its financial statements in accordance with U.S. GAAP, indicate by check mark if the registrant haselected not to use the extended transition period for complying with any new or revised financial accounting standards† provided pursuant toSection 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 itsAccounting 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 itsinternal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accountingfirm that prepared or issued its audit report.☐ Yes☐ No If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant includedin 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 of incentive-based compensationreceived by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b). ☐ Indicate by check mark which basis of accounting the registrant has used to prepare the financial statements included in this filing: If “Other” has been checked in response to the previous question, indicate by check mark which financial statement item the registrant has electedto 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 ExchangeAct).☐ 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 SecuritiesExchange Act of 1934 subsequent to the distribution of securities under a plan confirmed by a court. ☐ Yes☐ No TABLE OF CONTENTS INTRODUCTION1FORWARD-LOOKING STATEMENTS2Part I3Item 1.IDENTITY OF DIRECTORS, SENIOR MANAGEMENT AND ADVISERS3Item 2.OFFER STATISTICS AND EXPECTED TIMETABLE3Item 3.KEY INFORMATION3Item 4.INFORMATION ON THE COMPANY61Item 4A. UNRESOLVED STAFF COMMENTS92Item 5.OPERATING AND FINANCIAL REVIEW AND PROSPECTS92Item 6.DIRECTORS, SENIOR MANAGEMENT AND EMPLOYEES108Item 7.MAJOR SHAREHOLDERS AND RELATED PARTY TRANSACTIONS117Item 8.FINANCIAL INFORMATION120Item 9.THE OFFER AND LISTING121Item 10. ADDITIONAL INFORMATION121Item 1