# EDGAR Filing Document

**Accession Number:** 0001778016
**File Stem:** 0001778016-26-000006
**Filing Date:** 2026-6
**Character Count:** 47004
**Document Hash:** 23a5e73d354892c6ac2b7cee7e1ba5f0
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001778016-26-000006.hdr.sgml**: 20260616

**ACCESSION NUMBER**: 0001778016-26-000006

**CONFORMED SUBMISSION TYPE**: 20-F/A

**PUBLIC DOCUMENT COUNT**: 11

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260616

**DATE AS OF CHANGE**: 20260616

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NovaBridge Biosciences
- **CENTRAL INDEX KEY:** 0001778016
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 000000000
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 20-F/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-39173
- **FILM NUMBER:** 261095354

**BUSINESS ADDRESS:**
- **STREET 1:** SUITE 400, 2440 RESEARCH BLVD
- **CITY:** ROCKVILLE
- **STATE:** MD
- **ZIP:** 20850
- **BUSINESS PHONE:** (301) 670 2800

**MAIL ADDRESS:**
- **STREET 1:** SUITE 400, 2440 RESEARCH BLVD
- **CITY:** ROCKVILLE
- **STATE:** MD
- **ZIP:** 20850

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** I-Mab
- **DATE OF NAME CHANGE:** 20190528

?xml version='1.0' encoding='ASCII'? 20-F/A

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**FORM** 20-F/A

**(Amendment No. 1)**

**(Mark One)**

☐ **REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934**

**OR**

☒ **ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934**

**For the fiscal year ended** December 31**,** 2025

**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 _______________________**

**Commission file number** 001-39173

NovaBridge Biosciences

(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)

2440 Research Boulevard, Suite 400

Rockville**,** MD 20850

United States

(Address of Principal Executive Offices)

Kyler Lei **Chief Financial Officer**

2440 Research Boulevard, Suite 400

United States

**Phone:** (240**)** 745-6330

(Name, Telephone, and/or Facsimile number and Address of Company Contact Person)

Securities registered or to be registered pursuant to Section 12(b) of the Act:

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| | | |
|:---|:---|:---|
| &nbsp;&nbsp;**Title of each class** | &nbsp;&nbsp;**Trading Symbol(s)** | &nbsp;&nbsp;**Name of each exchange on which registered** |
| &nbsp;&nbsp;American depositary shares, each ten<br>(10) American depositary shares representing twenty-three (23) ordinary shares<br>| &nbsp;&nbsp;NBP | &nbsp;&nbsp;The Nasdaq Stock Market LLC<br>(The Nasdaq Global Market) |
| &nbsp;&nbsp;Ordinary shares, par value $0.0001 per share | &nbsp;&nbsp;\* | &nbsp;&nbsp;The Nasdaq Stock Market LLC<br>(The Nasdaq Global Market)\* |

---

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*\* Not for trading, but only in connection with the registration of American depository shares.*

Securities registered or to be registered pursuant to Section 12(g) of the Act:

**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 the annual report: 265,377,891 ordinary shares outstanding, par value of $0.0001 per share as of December 31, 2025.

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

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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 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

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 definition of "large accelerated filer," "accelerated filer," and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer ☐ Non-accelerated filer ☒ 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 extended transition period for complying with any new or revised financial accounting standards<sup>†</sup> 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 Accounting Standards 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 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. ☒

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 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 compensation received 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:

U.S. GAAP ☒ International Financial Reporting Standards as issued by 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

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**TABLE OF CONTENTS**

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| | | |
|:---|:---|:---|
|  |  | **Page** |
| &nbsp;&nbsp;[<u>EXPLANATORY NOTE</u>](#explanatorynote) | &nbsp;&nbsp;[<u>EXPLANATORY NOTE</u>](#explanatorynote) | 1 |
| &nbsp;&nbsp;&nbsp;&nbsp;ITEM 6. | &nbsp;&nbsp;[<u>DIRECTORS, SENIOR MANAGEMENT AND EMPLOYEES</u>](#item6dande) | 1 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;E.  | &nbsp;&nbsp;[<u>SHARE OWNERSHIP</u>](#shareownership) | 1 |
| &nbsp;&nbsp;&nbsp;&nbsp;ITEM 19. | &nbsp;&nbsp;[<u>EXHIBITS</u>](#exhibits) | 3 |

---

i

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# EXPLANATORY NOTE
This Amendment No. 1 ("Amendment No. 1") to our annual report on Form 20-F for the fiscal year ended December 31, 2025 originally filed with the U.S. Securities and Exchange Commission on April 7, 2026 (the "Original Filing") is being filed for the sole purpose of correcting certain inadvertent errors in previously reported beneficial ownership information. The corrected information does not affect the Company's audited financial statements filed with the Original Filing.

In addition, pursuant to Rule 12b-15 under the Securities Exchange Act of 1934, as amended, the certifications pursuant to Section 302 and Section 906 of the Sarbanes-Oxley Act of 2002 have been re-executed as of the date of, and are re-filed as part of, this Amendment No. 1 as Exhibits 12.1 and 12.2.

Other than expressly set forth herein, this Amendment No. 1 does not, and does not purport to, amend or restate any other information contained in the Original Filing nor does this Amendment No. 1 reflect any events that have occurred after the Original Filing was filed.

## ITEM 6. DIRECTORS, SENIOR MANAGEMENT AND EMPLOYEES
**E. Share Ownership**

The following table sets forth information with respect to the beneficial ownership of our ordinary shares as of March 24, 2026 by:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•each of our directors and executive officers; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•each person known to us to beneficially own 5% or more of our total outstanding shares.

Percentage of beneficial ownership is based on 265,991,561 total outstanding ordinary shares as of March 24, 2026.

Beneficial ownership is determined in accordance with the rules and regulations of the SEC. In computing the number of shares beneficially owned by a person and the percentage ownership of that person, we have included shares that the person has the right to acquire within 60 days, including through the exercise of any option, warrant or other right or the conversion of any other security. These shares, however, are not included in the computation of the percentage ownership of any other person. The beneficial owners shown in the table below may hold ordinary shares and/or ADSs. The values in the table are presented on an ordinary share basis for uniformity.

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| | | |
|:---|:---|:---|
|  | **Ordinary Shares Beneficially Owned** | **Ordinary Shares Beneficially Owned** |
|  | **Number**<sup>(1)</sup> | **%** |
| **Directors and Executive Officers:\*\*** |  |  |
| Wei Fu <sup>(2)</sup> | 30499709 | 11.5 |
| Emmett T. Cunningham, Jr. M.D., Ph.D, MMPH |  |  |
| Chun Kwok Alan Au | 262414 | \* |
| Conor Chia-hung Yang | 262414 | \* |
| Robert Lenz, M.D., Ph.D. |  |  |
| Xin Liu |  |  |
| Ian Ying Woo |  |  |
| Xi-Yong (Sean) Fu | 775698 | \* |
| Sean Wuxiong Cao, Ph. D. | 101023 | \* |
| Phillip Dennis, M.D., Ph.D. | 1068824 | \* |
| Ming (Kyler) Lei |  |  |
| Liwei (Lorraine) Lin |  |  |
| Cong (Claire) Xu | 741308 | \* |
| All Directors and Executive Officers as a Group | 33711390 | 12.7 |
| **Other Principal Shareholders:** |  |  |
| Everest Medicines Limited <sup>(3)</sup> | 42524716 | 16.0 |
| C-Bridge entities <sup>(4)</sup> | 30499709 | 11.5 |
| T INVESTMENT LIMITED <sup>(5)</sup> | 18795651 | 7.1 |
| Hillhouse entities <sup>(5)</sup> | 13755306 | 5.2 |

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___________

\* Less than 1% of our total ordinary shares on an as-converted basis outstanding as of March 24, 2026.

\*\* Except as otherwise indicated below, the business address of our directors and executive officers is 2440 Research Blvd, Suite 400, Rockville, MD 20850, the United States.

(1)Includes the amount of ordinary shares underlying options exercisable, and RSUs scheduled to vest, within 60 days of March 24, 2026. For details regarding these grants, see "—B. Compensation" above.

(2)Represents (i) 5,123,549 ADSs (representing 11,784,164 ordinary shares) directly held by CBC Investment I-Mab Limited, a British Virgin Islands limited liability company, (ii) 1,583,284 ADSs (representing 3,641,554 ordinary shares) directly held by IBC Investment Seven Limited, a Hong Kong limited liability company, (iii) 2,423,721 ADSs (representing 5,574,560 ordinary shares) directly held by CBC SPVII LIMITED, a Hong Kong limited liability company, (iv) 1,030,237 ADSs (representing 2,369,546 ordinary shares) directly held by C-Bridge II Investment Ten Limited, a British Virgin Islands limited liability company, and (v) 3,099,950 ADSs (representing 7,129,885 ordinary shares) directly held by Nova Aqua Limited, a British Virgin Islands limited liability company that is held through a trust established by Mr. Wei Fu (as the settlor) for the benefit of Mr. Wei Fu and his family. IBC Investment Seven Limited, CBC SPVII LIMITED, CBC Investment I-Mab Limited and C-Bridge II Investment Ten Limited are collectively referred to as the C-Bridge entities. CBC Investment I-Mab Limited and C-Bridge II Investment Ten Limited are controlled by C-Bridge Healthcare Fund II, L.P., whose general partner is C-Bridge Healthcare Fund GP II, L.P., and its general partner is C-Bridge Capital GP, Ltd. CBC SPVII Limited and IBC Investment Seven Limited are controlled by I-Bridge Healthcare Fund, L.P., whose general partner is I-Bridge Healthcare GP, L.P., and its general partner is I-Bridge Capital GP, Ltd., which is indirectly controlled by C-Bridge Capital GP, Ltd. Mr. Wei Fu is the sole director of C-Bridge Capital GP, Ltd. Information relating to the C-Bridge entities and regarding beneficial ownership is based on the information contained in the Schedule 13D/A filed by the C-Bridge entities on February 3, 2026. The business address of these entities is 88 Market Street, #46-04/05 Capitaspring, Singapore (048948).

(3)Represents 42,524,716 ordinary shares directly held by Everest Medicines Limited, a Cayman Islands limited liability company. Information relating to Everest Medicines Limited and regarding beneficial ownership is based on the information contained in the Schedule 13D filed by Everest Medicines Limited on August 5, 2025. Everest Medicines Limited is a public company listed on the HKEX and controlled by funds which are under common

------

control of the C-Bridge entities (as defined below), which, in turn, are controlled by Mr. Wei Fu. The business address of Everest Medicines Limited is 36 Robinson Road, #20-01 City House, Singapore 068877.

(4)Represents 8,172,022 ADSs (representing 18,795,651 ordinary shares) directly held by T INVESTMENT LIMITED. Information regarding beneficial ownership is reported as of November 23, 2023, derived from the information contained in the Schedule 13D filed by T INVESTMENT LIMITED on December 1, 2023, assuming the shares reported thereunder refer to the ADSs. Please see the Schedule 13D filed by T INVESTMENT LIMITED with SEC on December 1, 2023 for information relating to T INVESTMENT LIMITED. The business address of T Investment Limited is Flat B, 4th Floor, Haven Commercial Building 6-8, Tsing Fung Street, Hong Kong.

(5)Represents 5,980,568 ADSs (representing 13,755,306 ordinary shares) held by funds managed by HHLR Advisors, Ltd., or HHLR, an exempted Cayman Islands company. HHLR acts as the sole investment manager of YHG Investment, L.P., or YHG, and the sole management company of HHLR Fund, L.P., or HHLR Fund. HHLR is hereby deemed to be the beneficial owner of, and to control the voting and investment power of, the voting ordinary shares held by YHG and HHLR Fund. HIM acts as the sole management company of Hillhouse Fund IV, L.P., or Fund IV. Fund IV owns HH IMB Holdings Limited, or HH IMB. HIM is hereby deemed to be the beneficial owner of, and to control the voting and investment power of, the voting ordinary shares held by HH IMB. HH IMB, YHG and HHLR Fund are collectively referred to as the Hillhouse entities. Information regarding beneficial ownership is reported as of December 31, 2025, based on the information contained in the Form 13F filed by HHLR on February 17, 2026. The business address of HHLR is Office #122, Windward 3 Building, Regatta Office Park, West Bay Road, Grand Cayman, Cayman Islands, E9 KY1-9006.

To our knowledge, as of March 24, 2026, 258,164,444 of our ordinary shares were held by three record holders in the United States, representing approximately 97% of our total outstanding shares, substantially all of which were held by Citibank, N.A. ("Citibank"), the depositary of our ADS program. The number of beneficial owners of our ADSs in the United States is likely to be much larger than the number of record holders of our ordinary shares in the United States. We are not aware of any arrangement that may, at a subsequent date, result in a change of control of our company.

## ITEM 19. EXHIBITS

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| | |
|:---|:---|
| &nbsp;&nbsp;**Exhibit No.** | &nbsp;&nbsp;**Description of Exhibit** |
| &nbsp;&nbsp;1.1 | &nbsp;&nbsp;[<u>Seventh Amended and Restated Memorandum and Articles of Association of the Registrant (incorporated herein by reference to Exhibit 3.1 to the current report on Form 6-K (File No. 333-234363), filed with the SEC on October 24, 2025)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000119312525250009/imab-ex3_1.htm) |
| &nbsp;&nbsp;2.1 | &nbsp;&nbsp;[<u>Registrant's Specimen American Depositary Receipt (included in Exhibit 2.3)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000119312520193325/d75701dex43.htm) |
| &nbsp;&nbsp;2.2 | &nbsp;&nbsp;[<u>Registrant's Specimen Certificate for Ordinary Shares (incorporated herein by reference to Exhibit 4.2 to the registration statement on Form F-1 (File No. 333-234363), as amended, initially filed with the SEC on October 29, 2019)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000119312520000969/d713200dex42.htm) |
| &nbsp;&nbsp;2.3 | &nbsp;&nbsp;[<u>Deposit Agreement dated as of January 22, 2020, among the Registrant the depositary and holder of the American Depositary Receipt (incorporated herein by reference to Exhibit 4.3 to the registration statement on Form S-8 (File No. 333-239871) filed with the SEC on July 15, 2020)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000119312520193325/d75701dex43.htm) |
| &nbsp;&nbsp;2.4 | &nbsp;&nbsp;[<u>Description of American Depositary Shares of the Registrant (incorporated herein by reference to Exhibit 2.5 to the annual report on Form 20-F (File No. 001-39173) filed with the SEC on April 29, 2020)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000119312520124785/d882254dex25.htm) |
| &nbsp;&nbsp;2.5 | &nbsp;&nbsp;[<u>Description of Ordinary Shares of the Registrant (incorporated herein by reference to Exhibit 2.6 to the annual report on Form 20-F (File No. 001-39173) filed with the SEC on April 29, 2020)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000119312520124785/d882254dex26.htm) |
| &nbsp;&nbsp;3.1 | &nbsp;&nbsp;[<u>Certificate of Incorporation on Change of Name (incorporated herein by reference to Exhibit 3.1 to the current report on Form 6-K (File No. 001-39173) furnished with the SEC on October 29, 2025)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000119312525256295/imab-ex3_1.htm) |

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| | |
|:---|:---|
| &nbsp;&nbsp;**Exhibit No.** | &nbsp;&nbsp;**Description of Exhibit** |
| &nbsp;&nbsp;4.1 | &nbsp;&nbsp;[<u>Second Amended and Restated 2017 Employee Stock Option Plan (incorporated herein by reference to Exhibit 10.1 to the registration statement on Form F-1 (File No. 333-234363), as amended, initially filed with the SEC on October 29, 2019)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000119312520000969/d713200dex101.htm) |
| &nbsp;&nbsp;4.2 | &nbsp;&nbsp;[<u>Second Amended and Restated 2018 Employee Stock Option Plan (incorporated herein by reference to Exhibit 10.2 to the registration statement on Form F-1 (File No. 333-234363), as amended, initially filed with the SEC on October 29, 2019)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000119312520000969/d713200dex102.htm) |
| &nbsp;&nbsp;4.3 | &nbsp;&nbsp;[<u>2019 Share Incentive Plan (incorporated herein by reference to Exhibit 10.22 to the registration statement on Form F-1 (File No. 333-234363), as amended, initially filed with the SEC on October 29, 2019)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000119312519277698/d713200dex1022.htm) |
| &nbsp;&nbsp;4.4 | &nbsp;&nbsp;[<u>2020 Share Incentive Plan (incorporated herein by reference to Exhibit 10.4 to the registration statement on Form S-8 (File No. 333-239871) filed with the SEC on July 15, 2020)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000119312520193325/d75701dex104.htm) |
| &nbsp;&nbsp;4.5 | &nbsp;&nbsp;[<u>2021 Share Incentive Plan (incorporated herein by reference to Exhibit 10.1 to the registration statement on Form S-8 (File No. 333-256603) filed with the SEC on May 28, 2021)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000119312521176896/d572570dex101.htm) |
| &nbsp;&nbsp;4.6 | &nbsp;&nbsp;[<u>2022 Share Incentive Plan (incorporated herein by reference to Exhibit 10.1 to the registration statement on Form S-8 (File No. 333-265684) filed with the SEC on June 17, 2022)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000110465922072363/tm2218782d1_ex10-1.htm) |
| &nbsp;&nbsp;4.7 | &nbsp;&nbsp;[<u>2024 Omnibus Incentive Plan (incorporated herein by reference to Exhibit 99.1 to the registration statement on Form S-8 (File No. 333-279842) filed with the SEC on May 30, 2024)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000110465924066741/tm2414081d1_ex99-1.htm) |
| &nbsp;&nbsp;4.8 | &nbsp;&nbsp;[<u>2025 Omnibus Share Incentive Plan (incorporated herein by reference to Exhibit 10.1 to the registration statement on Form S-8 (File No. 333-290195) filed with the SEC on September 11, 2025)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000095017025114242/imab-ex10_1.htm) |
| &nbsp;&nbsp;4.9 | &nbsp;&nbsp;[<u>2025 Share Incentive Scheme (incorporated herein by reference to Exhibit 10.2 to the registration statement on Form S-8 (File No. 333-290195) filed with the SEC on September 11, 2025)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000095017025114242/imab-ex10_2.htm) |
| &nbsp;&nbsp;4.10† | &nbsp;&nbsp;[<u>License and Collaboration Agreement, dated as of July 26, 2018, between the Registrant and ABL Bio (incorporated herein by reference to Exhibit 4.12 to the annual report on Form 20-F (File No. 001-39173) filed with the SEC on April 29, 2020)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000119312520124785/d882254dex412.htm) |
| &nbsp;&nbsp;4.11 | &nbsp;&nbsp;[<u>Amendment to Collaboration Agreement, dated as of November 5, 2018, between the Registrant and ABL Bio (incorporated herein by reference to Exhibit 4.15 to the annual report on Form 20-F (File No. 001-39173) filed with the SEC on April 3, 2025)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000095017025050344/imab-ex4_15.htm) |
| &nbsp;&nbsp;4.12 | &nbsp;&nbsp;[<u>Amendment Two to Collaboration Agreement, dated as of November 22, 2018, between the Registrant and ABL Bio</u>](https://www.sec.gov/Archives/edgar/data/1778016/000095017025050344/imab-ex4_16.htm)[<u>(incorporated herein by reference to Exhibit 4.16 to the annual report on Form 20-F (File No. 001-39173) filed with the SEC on April 3, 2025)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000095017025050344/imab-ex4_15.htm) |
| &nbsp;&nbsp;4.13#<br>| &nbsp;&nbsp;[<u>Amendment Three to Collaboration Agreement, dated as of May 24, 2019, between the Registrant and ABL Bio (incorporated herein by reference to Exhibit 4.17 to the annual report on Form 20-F (File No. 001-39173) filed with the SEC on April 3, 2025)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000095017025050344/imab-ex4_17.htm) |
| &nbsp;&nbsp;4.14 | &nbsp;&nbsp;[<u>Amendment Four to Collaboration Agreement, dated as of December 26, 2019, between the Registrant and ABL Bio (incorporated herein by reference to Exhibit 4.18 to the annual report on Form 20-F (File No. 001-39173) filed with the SEC on April 3, 2025)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000095017025050344/imab-ex4_18.htm) |
| &nbsp;&nbsp;4.15 | &nbsp;&nbsp;[<u>Amendment Five to Collaboration Agreement, dated as of June 30, 2020, between the Registrant and ABL Bio (incorporated herein by reference to Exhibit 4.19 to the annual report on Form 20-F (File No. 001-39173) filed with the SEC on April 3, 2025)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000095017025050344/imab-ex4_19.htm) |
| &nbsp;&nbsp;4.16† | &nbsp;&nbsp;[<u>Amendment Six to Collaboration Agreement, dated as of September 24, 2021, between the Registrant and ABL Bio (incorporated herein by reference to Exhibit 4.20 to the annual report on Form 20-F (File No. 001-39173) filed with the SEC on April 3, 2025)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000095017025050344/imab-ex4_20.htm) |

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| | |
|:---|:---|
| &nbsp;&nbsp;**Exhibit No.** | &nbsp;&nbsp;**Description of Exhibit** |
| &nbsp;&nbsp;4.17# | &nbsp;&nbsp;[<u>Amendment Seven to Collaboration Agreement, dated as of May 22, 2024, between the Registrant, ABL Bio and TJ Biopharma (Shanghai) Co., Ltd. (incorporated herein by reference to Exhibit 4.21 to the annual report on Form 20-F (File No. 001-39173) filed with the SEC on April 3, 2025)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000095017025050344/imab-ex4_21.htm) |
| &nbsp;&nbsp;4.18\* | &nbsp;&nbsp;[<u>Amendment Eight to Collaboration Agreement, dated as of November 2, 2025, between the Registrant and ABL Bio (incorporated herein by reference to Exhibit 4.18 to the annual report on Form 20-F (File No. 001-39173) filed with the SEC on April 7, 2026)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000177801626000002/nbp-ex4_18.htm) |
| &nbsp;&nbsp;4.19 | &nbsp;&nbsp;[<u>Fourth Amended and Restated Shareholders Agreement, dated as of July 25, 2019 between the Registrant and other parties thereto (incorporated herein by reference to Exhibit 4.4 to the registration statement on Form F-1 (File No. 333-234363), as amended, initially filed with the SEC on October 29, 2019)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000119312519277698/d713200dex44.htm) |
| &nbsp;&nbsp;4.20 | &nbsp;&nbsp;[<u>Subscription Agreement, dated as of September 3, 2020, among the Registrant and certain affiliates of Hillhouse (incorporated herein by reference to Exhibit 2 of the Schedule 13D (File No. 005-91674) jointly filed by Hillhouse Capital Advisors, Ltd. and Hillhouse Capital Management, Ltd. with the SEC on September 14, 2020)</u>](https://www.sec.gov/Archives/edgar/data/1762304/000090266420003304/exhibit_2.htm) |
| &nbsp;&nbsp;4.21 | &nbsp;&nbsp;[<u>Amendment to Subscription Agreement, dated as of December 17, 2020, among the Registrant and certain affiliates of Hillhouse (incorporated herein by reference to Exhibit 5 of the Schedule 13D/A (File No. 005-91674) jointly filed by Hillhouse Capital Advisors, Ltd. and Hillhouse Capital Management, Ltd. with the SEC on December 21, 2020)</u>](https://www.sec.gov/Archives/edgar/data/1762304/000090266420004318/p20-2069exhibit5.htm) |
| &nbsp;&nbsp;4.22 | &nbsp;&nbsp;[<u>Form of Subscription Agreement, dated as of September 3, 2020, between the Registrant and certain investors (other than Hillhouse) (incorporated herein by reference to Exhibit 10.17 to the registration statement on Form F-1 (File No. 333- 251050), as amended, initially filed with the SEC on December 1, 2020)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000119312520307060/d98473dex1017.htm) |
| &nbsp;&nbsp;4.23† | &nbsp;&nbsp;[<u>License and Collaboration Agreement, dated as of September 3, 2020, among I-Mab Shanghai, I-Mab U.S. and AbbVie Ireland Unlimited Company (incorporated herein by reference to Exhibit 10.19 to the registration statement on Form F-1 (File No. 333- 251050), as amended, initially filed with the SEC on December 1, 2020)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000119312520307060/d98473dex1019.htm) |
| &nbsp;&nbsp;4.24† | &nbsp;&nbsp;[<u>Amendment No.1 to the License and Collaboration Agreement dated as of August 15, 2022 among I-Mab Shanghai, I-Mab U.S. and AbbVie Global Enterprise Ltd. (incorporated herein by reference to Exhibit 4.22 to the annual report on Form 20-F (File No. 001-39173) filed with the SEC on May 1, 2023)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000110465923053462/imab-20221231xex4d22.htm) |
| &nbsp;&nbsp;4.25† | &nbsp;&nbsp;[<u>English translation of Shareholders Agreement, dated as of September 15, 2020, among I-Mab Biopharma (Hangzhou) Co., Ltd. and other parties thereto (incorporated herein by reference to Exhibit 10.21 to the registration statement on Form F-1 (File No. 333-251050), as amended, initially filed with the SEC on December 1, 2020)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000119312520307060/d98473dex1021.htm) |
| &nbsp;&nbsp;4.26† | &nbsp;&nbsp;[<u>English translation of Equity Transfer Agreement of I-Mab Biopharma Co., Ltd., dated February 6, 2024, entered into by and among I-Mab Bio-tech (Tianjin) Co., Ltd., I-Mab Biopharma (Hangzhou) Co., Ltd. and I-Mab Biopharma Co., Ltd. (incorporated herein by reference to Exhibit 99.2 to the current report on Form 6-K (File No. 001-39173) furnished with the SEC on February 7, 2024)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000110465924011359/tm245234d1_ex99-2.htm) |
| &nbsp;&nbsp;4.27 | &nbsp;&nbsp;[<u>English translation of Equity Transfer Agreement of I-Mab Biopharma (Hangzhou) Co., Ltd., dated February 6, 2024, entered into by and among I-Mab Biopharma Hong Kong Limited, I-Mab Biopharma (Hangzhou) Co., Ltd. and the other parties thereto (incorporated herein by reference to Exhibit 99.3 to the current report on Form 6-K (File No. 001-39173) furnished with the SEC on February 7, 2024)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000110465924011359/tm245234d1_ex99-3.htm) |
| &nbsp;&nbsp;4.28 | &nbsp;&nbsp;[<u>English translation of I-Mab Biopharma (Hangzhou) Co., Ltd. Investment Agreement, dated February 6, 2024, entered into by and among I-Mab, I-Mab Biopharma Co., Ltd., I-Mab Biopharma (Hangzhou) Co., Ltd. and the other parties thereto (incorporated herein by reference to</u>](https://www.sec.gov/Archives/edgar/data/1778016/000110465924011359/tm245234d1_ex99-4.htm) |

---

------

---

| | |
|:---|:---|
| &nbsp;&nbsp;**Exhibit No.** | &nbsp;&nbsp;**Description of Exhibit** |
|  | &nbsp;&nbsp;[<u>Exhibit 99.4 to the current report on Form 6-K (File No. 001-39173) furnished with the SEC on February 7, 2024)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000110465924011359/tm245234d1_ex99-4.htm) |
| &nbsp;&nbsp;4.29 | &nbsp;&nbsp;[<u>English translation of I-Mab Biopharma (Hangzhou) Co., Ltd. Shareholders' Agreement, dated February 6, 2024, entered into by and among I-Mab, I-Mab Biopharma Hong Kong Limited, I-Mab Biopharma (Hangzhou) Co., Ltd. and the other parties thereto (incorporated herein by reference to Exhibit 99.5 to the current report on Form 6-K (File No. 001-39173) furnished with the SEC on February 7, 2024)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000110465924011359/tm245234d1_ex99-5.htm) |
| &nbsp;&nbsp;4.30†# | &nbsp;&nbsp;[<u>Clinical Trial Collaboration Agreement, dated as of June 5, 2024, among I-Mab US and Bristol-Myers Squibb Company (incorporated herein by reference to Exhibit 4.32 to the annual report on Form 20-F (File No. 001-39173) filed with the SEC on April 3, 2025)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000095017025050344/imab-ex4_32.htm) |
| &nbsp;&nbsp;4.31 | &nbsp;&nbsp;[<u>Assignment and Assumption Agreement, dated as of October 14, 2025, by and between Visara, Inc. and AffaMed Therapeutics (HK) Limited (incorporated by reference to exhibit 1.2 to the Current Report on Form 6-K/A (File No. 001-39173) furnished with the SEC on October 24, 2025)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000119312525249298/imab-ex1_2.htm) |
| &nbsp;&nbsp;4.32 | &nbsp;&nbsp;[<u>Exclusive License Agreement, dated November 6, 2021, by and between AskGene Pharma, Inc. and AffaMed Therapeutics (HK) Limited (incorporated by reference to exhibit 1.3 to the Current Report on Form 6-K/A (File No. 001-39173) furnished with the SEC on October 24, 2025)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000119312525249298/imab-ex1_3.htm) |
| &nbsp;&nbsp;4.33 | &nbsp;&nbsp;[<u>Exclusive License Agreement, dated as of October 15, 2025, by and between AskGene Pharma, Inc. and Visara, Inc. (incorporated by reference to exhibit 1.4 to the Current Report on Form 6-K/A (File No. 001-39173) furnished with the SEC on October 24, 2025)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000119312525249298/imab-ex1_4.htm) |
| &nbsp;&nbsp;4.34\* | &nbsp;&nbsp;[<u>Assignment and Assumption Agreement, dated October 28, 2025, by and between Visara, Inc., and Everest Medicines (incorporated herein by reference to Exhibit 4.34 to the annual report on Form 20-F (File No. 001-39173) filed with the SEC on April 7, 2026)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000177801626000002/nbp-ex4_34.htm) |
| &nbsp;&nbsp;4.35 | &nbsp;&nbsp;[<u>Series A Preferred Stock Subscription Agreement, dated October 14, 2025 by and between Visara, Inc., I-Mab, and AffaMed Therapeutics (HK) Limited (incorporated by reference to exhibit 1.1 to the Current Report on Form 6-K/A (File No. File No. 001-39173) furnished with the SEC on October 24, 2025)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000119312525249298/imab-ex1_1.htm) |
| &nbsp;&nbsp;8.1\* | &nbsp;&nbsp;[<u>Principal Subsidiaries of the Registrant (incorporated herein by reference to Exhibit 8.1 to the annual report on Form 20-F (File No. 001-39173) filed with the SEC on April 7, 2026)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000177801626000002/nbp-ex8_1.htm) |
| &nbsp;&nbsp;11.1 | &nbsp;&nbsp;[<u>Code of Business Conduct and Ethics of the Registrant (incorporated herein by reference to Exhibit 11.1 to the annual report on Form 20-F (File No. 001-39173) filed with the SEC on April 3, 2025)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000095017025050344/imab-ex11_1.htm) |
| &nbsp;&nbsp;11.2\* | &nbsp;&nbsp;[<u>Insider Trading Policy of the Registrant (incorporated herein by reference to Exhibit 11.2 to the annual report on Form 20-F (File No. 001-39173) filed with the SEC on April 7, 2026)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000177801626000002/nbp-ex11_2.htm) |
| &nbsp;&nbsp;12.1\*\* | &nbsp;&nbsp;[<u>Certification by Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002</u>](nbp-ex12_1.htm) |
| &nbsp;&nbsp;12.2\*\* | &nbsp;&nbsp;[<u>Certification by Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002</u>](nbp-ex12_2.htm) |
| &nbsp;&nbsp;13.1\* | &nbsp;&nbsp;[<u>Certification by Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (incorporated herein by reference to Exhibit 13.1 to the annual report on Form 20-F (File No. 001-39173) filed with the SEC on April 7, 2026)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000177801626000002/nbp-ex13_1.htm) |
| &nbsp;&nbsp;13.2\* | &nbsp;&nbsp;[<u>Certification by Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (incorporated herein by reference to Exhibit 13.2 to the annual report on Form 20-F (File No. 001-39173) filed with the SEC on April 7, 2026)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000177801626000002/nbp-ex13_2.htm) |
| &nbsp;&nbsp;15.1\* | &nbsp;&nbsp;[<u>Consent of JunHe LLP (incorporated herein by reference to Exhibit 15.1 to the annual report on Form 20-F (File No. 001-39173) filed with the SEC on April 7, 2026)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000177801626000002/nbp-ex15_1.htm) |

---

------

---

| | |
|:---|:---|
| &nbsp;&nbsp;**Exhibit No.** | &nbsp;&nbsp;**Description of Exhibit** |
| &nbsp;&nbsp;15.2\* | &nbsp;&nbsp;[<u>Consent of PricewaterhouseCoopers LLP (incorporated herein by reference to Exhibit 15.2 to the annual report on Form 20-F (File No. 001-39173) filed with the SEC on April 7, 2026)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000177801626000002/nbp-ex15_2.htm) |
| &nbsp;&nbsp;15.3\* | &nbsp;&nbsp;[<u>Consent of PricewaterhouseCoopers Zhong Tian LLP (incorporated herein by reference to Exhibit 15.3 to the annual report on Form 20-F (File No. 001-39173) filed with the SEC on April 7, 2026)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000177801626000002/nbp-ex15_3.htm) |
| &nbsp;&nbsp;15.4\* | &nbsp;&nbsp;[<u>Consent of Harney Westwood & Riegels (incorporated herein by reference to Exhibit 15.4 to the annual report on Form 20-F (File No. 001-39173) filed with the SEC on April 7, 2026)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000177801626000002/nbp-ex15_4.htm) |
| &nbsp;&nbsp;15.5 | &nbsp;&nbsp;[<u>Letter from PricewaterhouseCoopers Zhong Tian LLP (incorporated herein by reference to Exhibit 99.2 to the current report on Form 6-K (File No. 001-39173) furnished with the SEC on August 7, 2024)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000110465924086547/tm2421036d1_ex99-2.htm) |
| &nbsp;&nbsp;97.1 | &nbsp;&nbsp;[<u>Clawback Policy of the Registrant (incorporated herein by reference to Exhibit 97.1 to the annual report on Form 20-F (File No. 001-39173) furnished with the SEC on April 30, 2024)</u>](https://www.sec.gov/Archives/edgar/data/1778016/000110465924054452/imab-20231231xex97d1.htm) |
| &nbsp;&nbsp;101.INS\* | &nbsp;&nbsp;Inline XBRL Instance Document—this instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document |
| &nbsp;&nbsp;101.SCH\* | &nbsp;&nbsp;XBRL Taxonomy Extension Schema Document |
| &nbsp;&nbsp;101.CAL\* | &nbsp;&nbsp;XBRL Taxonomy Extension Calculation Linkbase Document |
| &nbsp;&nbsp;101.DEF\* | &nbsp;&nbsp;XBRL Taxonomy Extension Definition Linkbase Document |
| &nbsp;&nbsp;101.LAB\* | &nbsp;&nbsp;XBRL Taxonomy Extension Label Linkbase Document |
| &nbsp;&nbsp;101.PRE\* | &nbsp;&nbsp;XBRL Taxonomy Extension Presentation Linkbase Document |
| &nbsp;&nbsp;104 | &nbsp;&nbsp;Cover Page Interactive Data File (embedded within the Inline XBRL document) |

---

## ___________
\* Previously filed

\*\* Filed herewith

† Portions of this exhibit have been omitted pursuant to Item 601(b)(10)(iv) of Regulation S-K.

# Certain exhibits and schedules have been omitted pursuant to Item 601(a)(5) of Regulation S-K. The registrant hereby undertakes to furnish supplementally a copy of any omitted exhibit or schedule upon request by the Securities and Exchange Commission.

------

**SIGNATURES**

The registrant hereby certifies that it meets all of the requirements for filing on Form 20-F and that it has duly caused and authorized the undersigned to sign this Amendment No. 1 to its annual report on its behalf.

**NovaBridge Biosciences**

By: <u>/s/ Kyler Lei</u>______________________

Name: Kyler Lei

Title: Chief Financial Officer

Date: June 16, 2026

------

## Exhibit 12.1

**Exhibit 12.1**

**Certification by the Principal Executive Officer <br>Pursuant to Securities Exchange Act Rules 13a-14(a) and 15d-14(a)<br>as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002**

I, Xi-Yong (Sean) Fu, certify that:

1. I have reviewed this annual report on Form 20-F (this "report") of NovaBridge Biosciences (the "Company");

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the Company as of, and for, the periods presented in this report;

4. The Company's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the Company and have:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the Company, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) Evaluated the effectiveness of the Company's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) Disclosed in this report any change in the Company's internal control over financial reporting that occurred during the period covered by the annual report that has materially affected, or is reasonably likely to materially affect, the Company's internal control over financial reporting; and

5. The Company's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Company's auditors and the audit committee of the Company's board of directors (or persons performing the equivalent functions):

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the Company's ability to record, process, summarize and report financial information; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the Company's internal control over financial reporting.

Date: June 16, 2026

By: <u>/s/ Xi-Yong (Sean) Fu</u> 

Name: Xi-Yong (Sean) Fu

Title: Chief Executive Officer<br>(*Principal Executive Officer*)

------

## Exhibit 12.2

**Exhibit 12.2**

**Certification by the Principal Financial Officer<br>Pursuant to Securities Exchange Act Rules 13a-14(a) and 15d-14(a)<br>as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002**

I, Kyler Lei, certify that:

1. I have reviewed this annual report on Form 20-F (this "report") of NovaBridge Biosciences (the "Company");

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the Company as of, and for, the periods presented in this report;

4. The Company's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the Company and have:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the Company, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) Evaluated the effectiveness of the Company's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) Disclosed in this report any change in the Company's internal control over financial reporting that occurred during the period covered by the annual report that has materially affected, or is reasonably likely to materially affect, the Company's internal control over financial reporting; and

5. The Company's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Company's auditors and the audit committee of the Company's board of directors (or persons performing the equivalent functions):

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the Company's ability to record, process, summarize and report financial information; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the Company's internal control over financial reporting.

Date: June 16, 2026

By: <u>/s/ Kyler Lei</u> 

Name: Kyler Lei

Title: Chief Financial Officer<br> *(Principal Financial Officer)*

------