Key facts
- This page summarizes Sean Wuxiong Cao's Form 4 filing for NovaBridge Biosciences (NBP).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 11 Sep 2026, 16:30.
Sean Wuxiong Cao - 09 Sep 2026 Form 4 Insider Report for NovaBridge Biosciences (NBP)
- Reporting relationship
- Chief Bus. Development Officer
- Issuer ticker
- NBP
- Reported as of
- 09 Sep 2026
- Net transaction value
- -$79,904
- SEC form
- 4
- Accepted by SEC
- 11 Sep 2026, 16:30:14 UTC
- Prior SEC filing
- 08 Sep 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Kyler Lei, Attorney-in-Fact
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Sean Wuxiong Cao filed Form 4 for NovaBridge Biosciences (NBP) on 11 Sep 2026.
Change
- Previous filing in this sequence was filed on 08 Sep 2026.
- Current net transaction value: -$79,904.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0002109966
Primary reporting owner
Cao Sean Wuxiong
- Relationship
- Chief Bus. Development Officer
- Address
- C/O NOVABRIDGE BIOSCIENCES, 2440 RESEARCH BOULEVARD, SUITE 400, ROCKVILLE
- Signature
- /s/ Kyler Lei, Attorney-in-Fact
- Signature date
- 11 Sep 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
NBP
transaction
Ordinary Shares
Sale
- Transaction value
- $79,904
- Shares
- -107,978
- Change %
- -29%
- Price
- $0.7400
- Shares after
- 266,467
- Date
- 09 Sep 2026
- Ownership
- Direct
- Footnotes
- F1, F2, F3, F4
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 4 footnotes
Footnote F1
The Ordinary Shares may be represented by American Depositary Shares ("ADS"). Each 10 ADSs represent 23 Ordinary Shares of the Issuer.
Footnote F2
The Reporting Person sold 46,947 ADSs representing approximately 107,978 ordinary shares in connection with the partial vesting of a restricted stock unit award on September 3, 2026, solely to satisfy tax withholding obligations incurred in connection with the vesting.
Footnote F3
Reported securities are represented by 46,947 ADSs.
Footnote F4
Reported sales price represents the converted sales price of the ADSs of $1.6908.