OR For the fiscalyear endedDecember 31, 2025. OR OR For the transition period fromto Commission file number001-38425 Not for trading, but only in connection with the registration of American Depositary Shares representing such ClassA ordinary shares pursuant to the requirements of the Securities registered or to be registered pursuant to Section12(g)of the Act: None Securities for which there is a reporting obligation pursuant to Section15(d)of the Act: None 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. 66,134,416 ClassA ordinary shares were outstanding as of December31, 202534,762,909 Class B ordinary shares were outstanding as of December31, 2025 Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule405 of the Securities Act. ☐Yes☒No ☐Yes☒No Note— Checking the box above will not relieve any registrant required to file reports pursuant to Section13 or 15(d)of the Securities Exchange Act of 1934 from theirobligations under those Sections. Indicate by check mark whether the registrant (1)has filed all reports required to be filed by Section13 or 15(d)of the Securities Exchange Act of 1934 during the preceding12months (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 90days. ☒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 12months (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 the definitions of“large accelerated filer,” “accelerated filer,” and “emerging growth company” in Rule12b-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 check mark if the registrant has elected not to use the extendedtransition period for complying with any new or revised financial accounting standards† provided pursuant to Section13(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 Codificationafter April5, 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 financialreporting under Section404(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.☐ If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect thecorrection 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 compensation received by any of theregistrant’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 elected to follow. ☐Item17☐Item18 If this is an annual report, indicate by check mark whether the registrant is a shell company (as defined in Rule12b-2 of the Exchange Act). ☐Yes☒No (APPLICABLE ONLY TO ISSUERS INVOLVED IN BANKRUPTCY PROCEEDINGS DURING THE PAST FIVEYEARS) Indicate by check mark whether the registrant has filed all documents and reports required to be filed by Section12, 13 or 15(d)of the Securities Exchange Act of 1934subsequent to the distribution of securities under a plan confirmed by a court. ☐Yes☐No PagePART I1ITEM 1.IDENTITY OF DIRECTORS, SENIOR MANAGEMENT AND ADVISERS1ITEM 2.OFFER STATISTICS AND EXPECTED TIMETABLE1ITEM 3.KEY INFORMATION1ITEM 4.INFORMATION ON THE COMPANY40ITEM 4A.UNRESOLVED STAFF COMMENTS83ITEM 5.OPERATING AND FINANCIAL REVIEW AND PROSPECTS83ITEM 6.DIRECTORS, SENIOR MANAGEMENT AND EMPLOYEES104ITEM 7.MAJOR SHAREHOLDERS AND RELATED PARTY TRANSACTIONS112ITEM 8.FINANCIAL INFORMATION113ITEM 9.THE OFFER AND LISTING114ITEM 10.ADDITIONAL INFORMATION115ITEM 11.QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK124ITEM 12.DESCRIPTION OF SECURITIES OTHER THAN EQUITY SECURITIES125PART II127ITEM 13.DEFAULTS, DIVIDEND ARREARAGES AND DELINQUENCIES127I