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Fu Wei reports NovaBridge Biosciences (NBP) stakes via options and trusts

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
3

Rhea-AI Filing Summary

NovaBridge Biosciences director Fu Wei filed an initial statement of beneficial ownership, detailing option awards and indirect share holdings as of 2026-03-18. He holds 2025 Employee Share Options over Ordinary Shares with exercise prices of $3.1900 per ADS-equivalent and expirations on 2035-09-03, including tranches over 1,635,729 and 2,453,583 underlying Ordinary Shares. Footnotes explain that these options vest, if at all, in eight equal quarterly installments after the issuer’s ADSs maintain 30‑trading‑day weighted average prices at or above $8.00, $12.00, and $16.00 for different grants. Indirect Ordinary Share positions are reported through entities such as CBC Investment l‑Mab Limited, IBC Investment Seven Limited, CBC SPVII Limited, C‑Bridge II Investment Ten Limited and a family trust, with each block represented by specific ADS amounts including 5,123,549, 1,583,284, 2,423,721, 1,030,237 and 3,099,950 ADSs. The filing notes that each 10 ADSs represent 23 Ordinary Shares and that Fu Wei disclaims beneficial ownership of securities held by these entities and the trust except to the extent of any pecuniary interest.

Positive

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Negative

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Insider Fu Wei
Role Director
Type Security Shares Price Value
holding 2025 Employee Share Option (right to buy) -- -- --
holding 2025 Employee Share Option (right to buy) -- -- --
holding 2025 Employee Share Option (right to buy) -- -- --
holding Ordinary Shares -- -- --
holding Ordinary Shares -- -- --
holding Ordinary Shares -- -- --
holding Ordinary Shares -- -- --
holding Ordinary Shares -- -- --
Holdings After Transaction: 2025 Employee Share Option (right to buy) — 1,635,729 shares (Direct); Ordinary Shares — 11,784,164 shares (Indirect, By CBC Investment l-Mab Limited)
Footnotes (1)
  1. The Ordinary Shares may be represented by American Depositary Shares ("ADS"). Each 10 ADSs represent 23 Ordinary Shares of the Issuer. Reported securities are represented by 5,123,549 ADSs. 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. Reported securities are represented by 1,583,284 ADSs. 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. Reported securities are represented by 2,423,721 ADSs. 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. Reported securities are represented by 1,030,237 ADSs. 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. Reported securities are represented by 3,099,950 ADSs. 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 Number of underlying securities and exercise price expressed in terms of ADSs. 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. 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. 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.
SEC Form 3
FORM 3UNITED 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
OMB APPROVAL
OMB Number:3235-0104
Estimated average burden
hours per response:0.5
1. Name and Address of Reporting Person*
Fu Wei

(Last)(First)(Middle)
C/O NOVABRIDGE BIOSCIENCES,
2440 RESEARCH BOULEVARD, SUITE 400

(Street)
ROCKVILLE MARYLAND 20850

(City)(State)(Zip)

UNITED STATES

(Country)
2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026
3. Issuer Name and Ticker or Trading Symbol
NovaBridge Biosciences [ NBP ]
3a. Foreign Trading Symbol
5. If Amendment, Date of Original Filed (Month/Day/Year)
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
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)IBy CBC Investment l-Mab Limited(3)
Ordinary Shares(1)3,641,544(4)IBy IBC Investment Seven Limited(5)
Ordinary Shares(1)5,574,560(6)IBy CBC SPVII Limited(7)
Ordinary Shares(1)2,369,546(8)IBy C-Bridge II Investment Ten Limited(9)
Ordinary Shares(1)7,129,885(10)IBy Nova Aqua Limited(11)
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: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
2025 Employee Share Option (right to buy) (13)09/03/2035Ordinary Shares(1)1,635,729(12)$3.19(12)D
2025 Employee Share Option (right to buy) (14)09/03/2035Ordinary Shares(1)2,453,583(12)$3.19(12)D
2025 Employee Share Option (right to buy) (15)09/03/2035Ordinary Shares(1)2,453,583(12)$3.19(12)D
Explanation of Responses:
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
/s/ Xi-Yong (Sean) Fu as attorney-in-fact03/18/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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 Number.
* Form 3: SEC 1473 (03-26)

FAQ

What does Fu Wei’s Form 3 for NovaBridge Biosciences (NBP) show?

The Form 3 shows Fu Wei’s initial reported holdings in NovaBridge Biosciences, including employee share options and indirect Ordinary Share stakes via several investment entities and a family trust, with detailed ADS equivalents and vesting conditions tied to future ADS price performance.

Does Fu Wei buy or sell NovaBridge Biosciences (NBP) shares in this filing?

No, this Form 3 does not report any buys or sells. It is an initial ownership statement listing existing option awards and indirect Ordinary Share positions, without recording new market transactions, exercises, gifts, or tax-related disposals in NovaBridge Biosciences securities.

How are Fu Wei’s NovaBridge Biosciences (NBP) options structured?

Fu Wei holds 2025 Employee Share Options on Ordinary Shares at an exercise price of $3.1900 per ADS-equivalent, expiring on September 3, 2035. Different tranches vest, if at all, in eight quarterly installments after the ADS price sustains $8, $12, or $16 levels.

What indirect NovaBridge Biosciences (NBP) holdings are reported for Fu Wei?

Indirect Ordinary Share holdings are reported through CBC Investment l‑Mab Limited, IBC Investment Seven Limited, CBC SPVII Limited, C‑Bridge II Investment Ten Limited, and a family trust, with blocks represented by ADS amounts such as 5,123,549, 1,583,284, 2,423,721, 1,030,237 and 3,099,950 ADSs.

Does Fu Wei claim full beneficial ownership of all reported NovaBridge (NBP) shares?

No. The filing repeatedly states that Fu Wei disclaims beneficial ownership of securities held directly by the investment entities and the trust, except to the extent of any pecuniary interest, and that the report should not be deemed an admission of beneficial ownership.