🕵️ AC Immune SA ($ACIU)
SEC insider & ownership activity, last 12 months · CIK 1651625 · every row links its SEC filing
Over the last 12 months insiders sold $59K with no open-market buying against it. Andrea M.a Pfeifer sold $59K through a 10b5-1 trading plan in 2 lots (Apr–May). No red-flag 8-Ks in the window.
🚨 3 signals active —
planned-vs-executed verdicts, pre-event flags, and cluster context live in the
API and the
alerts bot.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 1 seller, $59K (2 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Andrea M.a Pfeifer | 0 | – | 2 | $59K | May 15, 2026 |
5%+ holders
No current 5%+ beneficial-ownership positions on file.
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Andrea M.a Pfeifer | $56K | May 15, 2026 | filing ↗ |
| Andrea M.a Pfeifer | $32K | Apr 15, 2026 | filing ↗ |
| Andrea M.a Pfeifer | $110K | Jan 15, 2026 | filing ↗ |
| Andrea M.a Pfeifer | $141K | Oct 3, 2025 | filing ↗ |
| Andrea M.a Pfeifer | $83K | Sep 12, 2025 | filing ↗ |
Material events (8-K)
No 8-K filings in the last 12 months.