Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.
| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2026-06-26 | SCHEDULE 13G | Paradigm Biocapital Advisors LP | — | — | view → | |
| 2026-05-13 | SCHEDULE 13D/A | Fairmount Funds Management LLC | — | 17,201,800 | view → | |
| 2024-04-01 | SC | Fairmount Funds Management LLC | — | — | view → | |
| 2021-09-23 | SC | Fairmount Funds Management LLC | — | — | view → |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-10-15 | 18,002,311 | 8.02 | +0.2% |
| 2026-09-30 | 17,965,668 | 8.87 | -7.7% |
| 2026-09-15 | 19,465,251 | 15.74 | -0.2% |
| 2026-08-14 | 19,026,492 | 9.05 | -1.1% |
| 2026-07-31 | 19,234,874 | 11.31 | +1.6% |
| 2026-07-15 | 18,923,758 | 9.87 | +9.1% |
| 2026-06-30 | 17,342,672 | 5.56 | +15.5% |
| 2026-06-15 | 15,020,329 | 10.09 | +2.9% |
| 2026-05-29 | 14,597,487 | 7.89 | +2.3% |
| 2026-05-15 | 14,266,320 | 3.06 | +23.9% |
| 2026-04-30 | 11,512,229 | 6.90 | +8.0% |
| 2026-04-15 | 10,655,439 | 2.59 | -1.7% |
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