Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.
| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2025-03-17 | SCHEDULE | Samsara BioCapital, L.P. | 9.10% | 5,736,305 | view → | |
| 2025-03-17 | SCHEDULE | RA CAPITAL MANAGEMENT, L.P. | 9.90% | 6,287,597 | view → |
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-04-15 | Rodman David Malcom | officer | Sale | 6,348 | $27.66 | $176K |
| 2026-04-13 | Congleton Jon | director, officer | Sale | 15,730 | $26.83 | $422K |
| 2026-04-13 | Rodman David Malcom | officer | Option exercise | 6,349 | $1.08 | $7K |
| 2026-04-13 | Rodman David Malcom | officer | Option exercise | 3,542 | $10.20 | $36K |
| 2026-04-13 | Rodman David Malcom | officer | Option exercise | 4,167 | $14.25 | $59K |
| 2026-04-13 | Rodman David Malcom | officer | Sale | 14,058 | $26.54 | $373K |
| 2026-04-09 | Rodman David Malcom | officer | Option exercise | 2,170 | $16.00 | $35K |
| 2026-04-09 | Rodman David Malcom | officer | Sale | 2,170 | $27.38 | $59K |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-05-29 | 9,477,459 | 6.82 | +5.0% |
| 2026-05-15 | 9,024,879 | 8.19 | +5.8% |
| 2026-04-30 | 8,531,291 | 9.81 | -2.8% |
| 2026-04-15 | 8,778,401 | 6.51 | +4.9% |
| 2026-03-31 | 8,370,090 | 5.73 | -6.5% |
| 2026-03-13 | 8,948,568 | 6.69 | -6.9% |
| 2026-02-27 | 9,607,513 | 11.08 | -3.8% |
| 2026-02-13 | 9,982,346 | 7.74 | -1.2% |
| 2026-01-30 | 10,102,051 | 10.66 | -2.0% |
| 2026-01-15 | 10,304,718 | 7.48 | +11.5% |
| 2025-12-31 | 9,242,605 | 5.91 | +16.3% |
| 2025-12-15 | 7,948,340 | 5.57 | +7.3% |
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