NovaBridge Biosciences

03/18/2026 | Press release | Distributed by Public on 03/18/2026 19:38

Initial Statement of Beneficial Ownership (Form 3)

FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Fu Wei
2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026
3. Issuer Name and Ticker or Trading Symbol
NovaBridge Biosciences [NBP]
(Last) (First) (Middle)
C/O NOVABRIDGE BIOSCIENCES,, 2440 RESEARCH BOULEVARD, SUITE 400
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed (Month/Day/Year)
(Street)
ROCKVILLE, MD 20850
6. Individual or Joint/Group Filing (Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City) (State) (Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Ordinary Shares(1) 11,784,164(2) I By CBC Investment l-Mab Limited(3)
Ordinary Shares(1) 3,641,544(4) I By IBC Investment Seven Limited(5)
Ordinary Shares(1) 5,574,560(6) I By CBC SPVII Limited(7)
Ordinary Shares(1) 2,369,546(8) I By C-Bridge II Investment Ten Limited(9)
Ordinary Shares(1) 7,129,885(10) I By Nova Aqua Limited(11)
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
2025 Employee Share Option (right to buy) (13) 09/03/2035 Ordinary Shares(1) 1,635,729(12) $3.19(12) D
2025 Employee Share Option (right to buy) (14) 09/03/2035 Ordinary Shares(1) 2,453,583(12) $3.19(12) D
2025 Employee Share Option (right to buy) (15) 09/03/2035 Ordinary Shares(1) 2,453,583(12) $3.19(12) D

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Fu Wei
C/O NOVABRIDGE BIOSCIENCES,
2440 RESEARCH BOULEVARD, SUITE 400
ROCKVILLE, MD 20850
X

Signatures

/s/ Xi-Yong (Sean) Fu as attorney-in-fact 03/18/2026
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The Ordinary Shares may be represented by American Depositary Shares ("ADS"). Each 10 ADSs represent 23 Ordinary Shares of the Issuer.
(2) Reported securities are represented by 5,123,549 ADSs.
(3) CBC Investment l-Mab Limited ("CBC:) is controlled by C-Bridge Healthcare Fund II, L.P. ("C-Bridge Healthcare"), C-Bridge Healthcare Fund GP II, L.P. ("C-Bridge Healthcare GP") is the general partner of C-Bridge Healthcare, C-Bridge Capital GP, Ltd. ("C-Bridge Capital") is the general partner of C-Bridge Healthcare GP and the Reporting Person may be deemed to control C-Bridge Capital. The Reporting Person disclaims beneficial ownership of the securities held directly by CBC except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.
(4) Reported securities are represented by 1,583,284 ADSs.
(5) IBC Investment Seven Limited ("IBC") is controlled by l-Bridge Healthcare Fund, L.P. ("I-Bridge"), l-Bridge Healthcare GP, L.P. ("I-Bridge GP") is the general partner of I-Bridge, C-Bridge Capital is the general partner of I-Bridge GP and the Reporting Person may be deemed to control C-Bridge Capital. The Reporting Person disclaims beneficial ownership of the securities held directly by IBC except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.
(6) Reported securities are represented by 2,423,721 ADSs.
(7) CBC SPVII Limited ("CBC SPVII") is controlled by I-Bridge, I-Bridge GP is the general partner of I-Bridge, C-Bridge Capital is the general partner of I-Bridge GP and the Reporting Person may be deemed to control C-Bridge Capital. The Reporting Person disclaims beneficial ownership of the securities held directly by CBC SPVII except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.
(8) Reported securities are represented by 1,030,237 ADSs.
(9) C-Bridge II Investment Ten Limited ("C-Bridge") is controlled by C-Bridge Healthcare, C-Bridge Healthcare GP is the general partner of C-Bridge Healthcare, C-Bridge Capital is the general partner of C-Bridge Healthcare GP and the Reporting Person may be deemed to control C-Bridge Capital. The Reporting Person disclaims beneficial ownership of the securities held directly by C-Bridge except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.
(10) Reported securities are represented by 3,099,950 ADSs.
(11) The securities are held through a trust which was established by the Reporting Person (as the settlor) for the benefit of the Reporting Person and his family. The Reporting Person disclaims beneficial ownership of these except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose
(12) Number of underlying securities and exercise price expressed in terms of ADSs.
(13) The option vests, if at all, in eight equal quarterly installments following the date on which the 30-trading-day weighted average price of the Issuer's ADS (based on trading days only) is at or above US$8.00.
(14) The option vests, if at all, in eight equal quarterly installments following the date on which the 30-trading-day weighted average price of the Issuer's ADS (based on trading days only) is at or above US$12.00.
(15) The option vests, if at all, in eight equal quarterly installments following the date on which the 30-trading-day weighted average price of the Issuer's ADS (based on trading days only) is at or above US$16.00.

Remarks:
Exhibit List: Ex. 24.1 - Power of Attorney
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NovaBridge Biosciences published this content on March 18, 2026, and is solely responsible for the information contained herein. Distributed via EDGAR on March 19, 2026 at 01:38 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]