Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.
| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2025-06-30 | SCHEDULE | BAKER BROS. ADVISORS LP | 9.50% | 6,666,540 | view → | |
| 2024-01-09 | SC | BIOTECHNOLOGY VALUE FUND L P | — | — | view → |
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-02 | Jacobs Bruce N. | officer | Option exercise | 12,653 | $2.08 | $26K |
| 2026-05-18 | Jacobs Bruce N. | officer | Option exercise | 15,000 | $2.08 | $31K |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-05-29 | 10,103,698 | 20.59 | +1.0% |
| 2026-05-15 | 10,004,363 | 21.29 | +3.3% |
| 2026-04-30 | 9,687,598 | 18.84 | +0.7% |
| 2026-04-15 | 9,622,452 | 19.48 | -7.5% |
| 2026-03-31 | 10,402,722 | 14.57 | +4.3% |
| 2026-03-13 | 9,968,655 | 13.82 | -3.0% |
| 2026-02-27 | 10,275,249 | 12.64 | +4.8% |
| 2026-02-13 | 9,807,318 | 11.92 | +4.8% |
| 2026-01-30 | 9,356,012 | 13.03 | +8.1% |
| 2026-01-15 | 8,651,616 | 11.69 | +9.0% |
| 2025-12-31 | 7,938,651 | 9.96 | +0.6% |
| 2025-12-15 | 7,894,340 | 4.12 | -9.1% |
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