| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2026-08-27 | SCHEDULE 13D/A | Sarissa Capital Management LP | 6.09% | 25,743,900 | view → | |
| 2023-09-05 | SC | Sarissa Capital Management LP | — | — | view → | |
| 2023-02-28 | SC | Sarissa Capital Management LP | — | — | view → | |
| 2023-02-27 | SC | Sarissa Capital Management LP | — | — | view → | |
| 2023-02-21 | SC | Sarissa Capital Management LP | — | — | view → | |
| 2023-01-11 | SC | Sarissa Capital Management LP | — | — | view → | |
| 2022-10-11 | SC | Sarissa Capital Management LP | — | — | view → |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-10-15 | 532,662 | 7.28 | +0.8% |
| 2026-09-30 | 528,373 | 10.54 | +0.5% |
| 2026-09-15 | 525,845 | 10.10 | +2.9% |
| 2026-08-31 | 511,002 | 4.66 | -2.8% |
| 2026-08-14 | 525,685 | 10.80 | -1.2% |
| 2026-07-31 | 532,113 | 9.77 | +3.7% |
| 2026-07-15 | 513,202 | 6.44 | -5.5% |
| 2026-06-30 | 542,861 | 5.29 | -11.5% |
| 2026-06-15 | 613,483 | 5.79 | -1.7% |
| 2026-05-29 | 624,093 | 14.85 | +0.6% |
| 2026-05-15 | 620,219 | 8.75 | -8.0% |
| 2026-04-30 | 673,967 | 7.16 | +57.9% |
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