🕵️ Novabridge Biosciences ($NBP)
SEC insider & ownership activity, last 12 months · CIK 1778016 · every row links its SEC filing
Over the last 12 months insiders sold $66K against $577K of open-market buying. Hagler Mark Arnold bought $577K in discretionary trades (Apr). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $577K (1 lots) · 3 sellers, $66K (4 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Hagler Mark Arnold | 1 | $577K | 0 | – | Apr 24, 2026 |
| Cao Sean Wuxiong | 0 | – | 1 | $43K | May 14, 2026 |
| Xu Cong Claire | 0 | – | 2 | $18K | Jul 6, 2026 |
| Dennis Phillip Andrew | 0 | – | 1 | $6K | Jun 18, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Everest Medicines Limited | 16.1% | 13D | Aug 5, 2025 | filing ↗ | |
| Wei Fu | 11.5% | 13D | Jan 29, 2026 | filing ↗ | |
| C-Bridge Capital GP, Ltd. | 8.8% | 13D | Jan 29, 2026 | filing ↗ | |
| C-Bridge Healthcare Fund II, L.P. | 5.3% | 13D | Jan 29, 2026 | filing ↗ | |
| C-Bridge Healthcare Fund GP II, L.P. | 5.3% | 13D | Jan 29, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Cao Sean Wuxiong | $19K | May 14, 2026 | filing ↗ |
| Dennis Phillip Andrew | $10K | Mar 18, 2026 | filing ↗ |
| Joseph W. Skelton | $520K | Jan 2, 2026 | filing ↗ |
| Dennis Phillip Andrew | $15K | Dec 18, 2025 | filing ↗ |
Material events (8-K)
No 8-K filings in the last 12 months.