Form4.ai tracks every SEC insider trade in real time. See every NBP insider filing with a free account — no card.
See every NBP insider filing — free account, no card.
Free accountNovaBridge Biosciences (NBP) has 6 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 1 sales totalling $80K. Most recent filing: Oct. 19, 2026.
Open-market value, last 90 days
Form 4 filings by type, last 90 days
| Date | Insider | Trade | Value | Price since buy |
|---|---|---|---|---|
| Oct 19, 2026 SEC filing | Woo Ian Ying Director | Option exercise | — | — |
| Sep 21, 2026 SEC filing | Dennis Phillip Andrew Chief Medical Officer | Vest & sell-to-cover | +15,486 sh | — |
| Sep 11, 2026 SEC filing | Cao Sean Wuxiong Chief Bus. Development Officer | Sold | $79,904 | — |
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.