Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.
| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2026-10-09 | SCHEDULE 13G | Frazier Life Sciences Public Fund, L.P. | — | — | view → | |
| 2026-07-20 | SCHEDULE 13D/A | ORBIMED ADVISORS LLC | — | 4,127,987 | view → | |
| 2026-07-10 | SCHEDULE 13G | Boxer Capital Management, LLC | — | — | view → | |
| 2026-06-04 | SCHEDULE 13G | BIOTECHNOLOGY VALUE FUND L P | — | — | view → | |
| 2026-06-01 | SCHEDULE 13D/A | ORBIMED ADVISORS LLC | — | 4,127,987 | view → | |
| 2026-05-28 | SCHEDULE 13D/A | Atlas Venture Fund X, L.P. | 3.60% | 864,261 | view → | |
| 2020-04-20 | SC | Flynn James E | — | — | view → | |
| 2020-01-31 | SC | Flynn James E | — | — | view → | |
| 2019-12-30 | SC | Flynn James E | — | — | view → |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-10-15 | 5,652,682 | 5.25 | +21.0% |
| 2026-09-30 | 4,671,943 | 4.31 | +23.8% |
| 2026-09-15 | 3,772,651 | 5.15 | +6.1% |
| 2026-08-31 | 3,556,186 | 9.54 | +13.3% |
| 2026-08-14 | 3,137,680 | 6.86 | +4.6% |
| 2026-07-31 | 3,000,835 | 3.77 | +32.6% |
| 2026-07-15 | 2,263,602 | 1.00 | +234.3% |
| 2026-06-30 | 677,047 | 1.61 | -25.3% |
| 2026-06-15 | 906,228 | 1.39 | +5.2% |
| 2026-05-29 | 861,749 | 1.00 | +36.2% |
| 2026-05-15 | 632,722 | 2.67 | -3.1% |
| 2026-04-30 | 652,815 | 1.65 | +70.7% |
Free. We email you when criteria match. One-click unsubscribe in every email.
Free $0 (48h-delayed alerts) · Individual $49/mo (real-time) · Team & API $199/mo · Enterprise.
See pricing →