Fu Wei - 29 Jun 2026 Form 4 Insider Report for NovaBridge Biosciences (NBP)

Reporting relationship: Director
Issuer ticker: NBP
Reported as of: 29 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 30 Jun 2026, 16:15:24 UTC
Prior SEC filing: 18 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Kyler Lei as attorney-in-fact

Key filing fact

Fu Wei filed Form 4 for NovaBridge Biosciences (NBP) on 30 Jun 2026.

Key facts

This page summarizes Fu Wei's Form 4 filing for NovaBridge Biosciences (NBP).
4 reported transactions and 4 derivative rows are listed below.
Accepted by SEC: 30 Jun 2026, 16:15.

Change

Previous filing in this sequence was filed on 18 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001885756 Primary reporting owner

Fu Wei

Relationship: Director
Address: C/O NOVABRIDGE BIOSCIENCES, 2440 RESEARCH BOULEVARD, SUITE 400, ROCKVILLE
Signature: /s/ Kyler Lei as attorney-in-fact
Signature date: 30 Jun 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

NBP transaction Derivative

2025 Employee Share Option (right to buy)

Award

Transaction value
Shares: +725,140
Change %
Price: $0.000000^*
Shares after: 725,140
Date: 29 Jun 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 725,140
Exercise price: $2.45
Footnotes: F1, F2, F3

NBP transaction Derivative

2025 Employee Share Option (right to buy)

Award

Transaction value
Shares: +1,087,720
Change %
Price: $0.000000^*
Shares after: 1,087,720
Date: 29 Jun 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 1,087,720
Exercise price: $2.45
Footnotes: F1, F3, F4

NBP transaction Derivative

2025 Employee Share Option (right to buy)

Award

Transaction value
Shares: +1,087,720
Change %
Price: $0.000000^*
Shares after: 1,087,720
Date: 29 Jun 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 1,087,720
Exercise price: $2.45
Footnotes: F1, F3, F5

NBP transaction Derivative

Restricted Share Units

Award

Transaction value
Shares: +1,010,100
Change %
Price: $0.000000^*
Shares after: 1,010,100
Date: 29 Jun 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 1,010,100
Exercise price
Footnotes: F1, F3, F6, F7

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 7 footnotes

Footnote F1

Number of underlying securities and exercise price expressed in terms of American Depositary Shares ("ADS").

Footnote F2

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.

Footnote F3

The Ordinary Shares may be represented by ADSs. Each 10 ADSs represent 23 Ordinary Shares of the Issuer.

Footnote F4

Footnote F5

Footnote F6

Each restricted stock unit ("RSU") represents a contingent right to receive one ADS.

Footnote F7

The RSUs vest over two years in equal annual installments on June 29, 2027 and June 29, 2028.