🕵️ Optinose, Inc. ($OPTN)
SEC insider & ownership activity, last 12 months · CIK 1494650 · every row links its SEC filing
Insiders were quiet over the last 12 months – no open-market buys or sells. No red-flag 8-Ks in the window.
Insider flow
0 buyers, $0 (0 lots) · 0 sellers, $0 (0 lots)
No open-market insider transactions in the last 12 months.
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Stonepine Capital Management, LLC | 7.8% | 13G | May 14, 2025 | filing ↗ | |
| Stonepine Capital, L.P. | 7.8% | 13G | May 14, 2025 | filing ↗ | |
| Stonepine GP, LLC | 7.8% | 13G | May 14, 2025 | filing ↗ | |
| Jon M. Plexico | 7.8% | 13G | May 14, 2025 | filing ↗ | |
| Kingdon Capital Management, L.L.C. | 5.1% | 13G | Apr 14, 2025 | filing ↗ | |
| Mark Kingdon | 5.1% | 13G | Apr 14, 2025 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
No 8-K filings in the last 12 months.