{"url_path":"/sec/nbp/10-k/2026/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"20-F/A","doc_date":"2026-06-16","source_url":"https://www.sec.gov/Archives/edgar/data/1778016/0001778016-26-000006-index.html","accession_number":"0001778016-26-000006","cik":"0001778016","ticker":"NBP","issuer_name":"NovaBridge Biosciences","edgar_url":"https://www.sec.gov/Archives/edgar/data/1778016/0001778016-26-000006-index.html","primary_entity_key":"0001778016","primary_entity_name":"NovaBridge Biosciences"},"word_count":944,"has_tables":true,"body_markdown":"20-F/A\n\n0001778016truetrueFY0001778016us-gaap:CommonStockMember2025-01-012025-12-310001778016nbp:ADRMember2025-01-012025-12-3100017780162025-01-012025-12-3100017780162025-12-310001778016dei:BusinessContactMember2025-01-012025-12-31xbrli:shares\n\n \n\n \n\n \n\nUNITED STATES\n\nSECURITIES AND EXCHANGE COMMISSION\n\nWashington, D.C. 20549\n\nFORM 20-F/A\n\n(Amendment No. 1)\n\n(Mark One)\n\n☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934\n\nOR\n\n☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934\n\nFor the fiscal year ended December 31, 2025\n\nOR\n\n☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934\n\nOR\n\n☐ SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934\n\nDate of event requiring this shell company report _______________________\n\nCommission file number 001-39173\n\nNovaBridge Biosciences\n\n(Exact Name of Registrant as Specified in Its Charter)\n\nN/A\n\n(Translation of Registrant’s Name into English)\n\nCayman Islands\n\n(Jurisdiction of Incorporation or Organization)\n\n2440 Research Boulevard, Suite 400\n\nRockville, MD 20850\n\nUnited States\n\n(Address of Principal Executive Offices)\n\nKyler Lei\nChief Financial Officer\n\n2440 Research Boulevard, Suite 400\n\nUnited States\n\nPhone: (240) 745-6330\n\n(Name, Telephone, and/or Facsimile number and Address of Company Contact Person)\n\nSecurities registered or to be registered pursuant to Section 12(b) of the Act:\n\nTitle of each class\n\nTrading Symbol(s)\n\nName of each exchange on which registered\n\nAmerican depositary shares, each ten\n\n(10) American depositary shares representing twenty-three (23) ordinary shares\n\nNBP\n\nThe Nasdaq Stock Market LLC\n(The Nasdaq Global Market)\n\n \n\n \n\n \n\nOrdinary shares, par value $0.0001 per share\n\n*\n\nThe Nasdaq Stock Market LLC\n(The Nasdaq Global Market)*\n\n \n\n* Not for trading, but only in connection with the registration of American depository shares.\n\nSecurities registered or to be registered pursuant to Section 12(g) of the Act:\n\nNone\n\n(Title of Class)\n\nSecurities for which there is a reporting obligation pursuant to Section 15(d) of the Act:\n\nNone\n\n(Title of Class)\n\nIndicate 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: 265,377,891 ordinary shares outstanding, par value of $0.0001 per share as of December 31, 2025.\n\nIndicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. ☐ Yes ☒ No\n\nIf 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\n\n \n\n \n\n \n\nIndicate 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\n\nIndicate by check mark whether the registrant has submitted electronically 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\n\nIndicate 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,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.\n\nLarge accelerated filer ☐\n\n \n\nNon-accelerated filer ☒\n\n \n\nAccelerated filer ☐\n\n \n\nEmerging growth company ☐\n\nIf 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. ☐\n\n† 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.\n\nIndicate 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. ☒\n\nIf 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 the correction of an error to previously issued financial statements. ☐\n\nIndicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b). ☐\n\nIndicate by check mark which basis of accounting the registrant has used to prepare the financial statements included in this filing:\n\nU.S. GAAP ☒\n\nInternational Financial Reporting Standards as issued by the International Accounting Standards Board ☐\n\nOther ☐\n\nIf “Other” has been checked in response to the previous question, indicate by check mark which financial statement item the registrant has elected to follow.\n\n☐ Item 17 ☐ Item 18\n\nIf 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\n\n(APPLICABLE ONLY TO ISSUERS INVOLVED IN BANKRUPTCY PROCEEDINGS DURING THE PAST FIVE YEARS)\n\nIndicate 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\n\n \n\n \n\n \n\nTABLE OF CONTENTS\n\n \n\n \n\n \n\nPage\n\n[EXPLANATORY NOTE](#explanatorynote)\n\n \n\n1"}