| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2018-02-14 | SC | Hudson Executive Capital LP | — | — | view → |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-03-31 | 3,540,034 | 6.31 | +3.7% |
| 2026-03-13 | 3,414,361 | 5.60 | +8.5% |
| 2026-02-27 | 3,147,385 | 4.02 | -8.7% |
| 2026-02-13 | 3,447,589 | 3.74 | +37.3% |
| 2026-01-30 | 2,510,177 | 5.41 | +0.0% |
| 2026-01-15 | 2,509,848 | 4.25 | +6.0% |
| 2025-12-31 | 2,366,606 | 7.21 | -5.3% |
| 2025-12-15 | 2,499,141 | 4.02 | +8.7% |
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