CUSIP: 040334104 | NYSE | Healthcare · Biotechnology | Micro Cap | 53 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 |
|---|---|---|---|---|---|
| 13G/AArmistice Capital, LLC | 5,096,251 | 11.4% | New 5%+ stake | Jun 30, 2026 | No 13F filer matched |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 3,000 | $0 | 0.0% | Core | Medium | Boston, MA | 2026-10-21 |