| 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 |
|---|---|---|---|
| 2026-07-15 | 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% |
| 2026-04-15 | 18,191,102 | 10.20 | +1.6% |
| 2026-03-31 | 17,904,692 | 4.67 | +30.7% |
| 2026-03-13 | 13,703,587 | 6.65 | +6.1% |
| 2026-02-27 | 12,917,285 | 3.24 | +15.8% |
| 2026-02-13 | 11,159,224 | 4.52 | +17.9% |
| 2026-01-30 | 9,464,516 | 3.52 | +5.1% |
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