CUSIP: 320703408 | NYSE | Healthcare · Biotechnology | Micro Cap | 38 institutional holders
5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.
| Holder | Shares | % of Class | Change | Event Date | vs 13F |
|---|---|---|---|---|---|
| 13DGavrilov Ognian Anguelov | 20,000 | 0.3% | −680,000 | Mar 31, 2026 | No 13F filer matched |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 625 | $669 | 0.0% | Index | Low | San Francisco, CA | 2026-10-08 |