| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2021-03-01 | SC | Sarissa Capital Management LP | — | — | view → | |
| 2020-11-09 | SC | Sarissa Capital Management LP | — | — | view → | |
| 2020-02-26 | SC | Sarissa Capital Management LP | — | — | view → |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-10-15 | 15,887,553 | 7.99 | +2.0% |
| 2026-09-30 | 15,567,942 | 6.19 | -16.9% |
| 2026-09-15 | 18,728,986 | 13.11 | +6.1% |
| 2026-08-31 | 17,654,677 | 11.90 | -2.3% |
| 2026-08-14 | 18,066,382 | 6.44 | +9.2% |
| 2026-07-31 | 16,542,403 | 10.04 | -3.8% |
| 2026-07-15 | 17,191,892 | 6.32 | +5.9% |
| 2026-06-30 | 16,230,028 | 5.65 | +2.1% |
| 2026-06-15 | 15,898,991 | 8.18 | +5.9% |
| 2026-05-29 | 15,018,969 | 6.00 | -13.4% |
| 2026-05-15 | 17,334,279 | 5.77 | +0.4% |
| 2026-04-30 | 17,266,421 | 10.51 | -5.1% |
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