NovaBridge Biosciences (NBP) has 11 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 1 sales totalling $80K. Most recent filing: Sept. 11, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
|---|---|---|---|---|---|---|
| Sept. 11, 2026 filed Sept. 9, 2026 | Cao Sean Wuxiong Chief Bus. Development Officer | −$79,904 | 107,978 | −29% | No | |
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| Sept. 8, 2026 filed Sept. 3, 2026 | Cao Sean Wuxiong Chief Bus. Development Officer | $0 | 486,925 | — | No | |
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| Sept. 1, 2026 filed Aug. 30, 2026 | Xu Cong Claire EVP, Clinical Development | — | +6,100 | +2% | No | |
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| Aug. 25, 2026 filed Aug. 22, 2026 | Lenz Robert A. Director | $0 | 24,704 | — | No | |
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| July 10, 2026 filed July 8, 2026 | Hagler Mark Arnold Chief Commercial Officer | $0 | 949,050 | 0% | No | |
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Showing the 5 most recent of 11 filings in the last 90 days.
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.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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