🕵️ Abivax S.A. ($ABVX)
SEC insider & ownership activity, last 12 months · CIK 1956827 · 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 | |
|---|---|---|---|---|---|
| Chen Yu | 9.1% | 13G | Nov 14, 2025 | filing ↗ | |
| TCG Crossover GP I, LLC | 8.3% | 13G | Nov 14, 2025 | filing ↗ | |
| TCG Crossover Fund I, L.P. | 8.3% | 13G | Nov 14, 2025 | filing ↗ | |
| Invus Public Equities, L.P. | 5.0% | 13G | Feb 13, 2026 | filing ↗ | |
| Invus Public Equities Advisors, LLC | 5.0% | 13G | Feb 13, 2026 | filing ↗ | |
| Invus Global Management, LLC | 5.0% | 13G | Feb 13, 2026 | filing ↗ | |
| Siren, L.L.C. | 5.0% | 13G | Feb 13, 2026 | filing ↗ | |
| Raymond Debbane | 5.0% | 13G | Feb 13, 2026 | filing ↗ | |
| Cedric Moreau | exited | 13D | Jul 2, 2026 | filing ↗ | |
| Kinam Hong | exited | 13D | Jul 2, 2026 | filing ↗ | |
| Joseph Anderson | exited | 13D | Jul 2, 2026 | filing ↗ | |
| Jacques Theurillat | exited | 13D | Jul 2, 2026 | filing ↗ | |
| Sofinnova Crossover I Slp | exited | 13D | Jul 2, 2026 | filing ↗ | |
| Sofinnova Partners SAS | exited | 13D | Jul 2, 2026 | filing ↗ | |
| Antoine Papiernik | exited | 13D | Jul 2, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Sofinnova Crossover I Slp | $133.7M | Jan 8, 2026 | filing ↗ |
| Sofinnova Crossover I Slp | $111.3M | Oct 28, 2025 | filing ↗ |
Material events (8-K)
No 8-K filings in the last 12 months.