Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.
| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2026-07-27 | SCHEDULE 13G | BlackRock, Inc. | — | — | view → | |
| 2026-07-08 | SCHEDULE 13G | Vivo Opportunity Fund Holdings, L.P. | — | — | view → | |
| 2026-04-27 | SCHEDULE 13D | venBio Global Strategic Fund V, L.P. | 9.99% | 10,737,317 | STRATEGIC | view → |
| 2026-04-24 | SCHEDULE 13D | TPG GP A, LLC | 12.60% | 13,755,160 | view → | |
| 2023-03-23 | SC | DIALECTIC CAPITAL MANAGEMENT, LP | — | — | view → |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-07-15 | 14,730,069 | 7.77 | +17.1% |
| 2026-06-30 | 12,582,151 | 3.32 | +52.9% |
| 2026-06-15 | 8,230,908 | 6.05 | +7.2% |
| 2026-05-29 | 7,675,144 | 5.45 | +5.9% |
| 2026-05-15 | 7,244,501 | 5.63 | +5.1% |
| 2026-04-30 | 6,890,549 | 2.66 | +0.7% |
| 2026-04-15 | 6,845,606 | 10.34 | -3.8% |
| 2026-03-31 | 7,117,982 | 6.79 | +1.5% |
| 2026-03-13 | 7,012,431 | 18.44 | +4.3% |
| 2026-02-27 | 6,726,321 | 23.37 | -0.5% |
| 2026-02-13 | 6,762,071 | 13.64 | -0.8% |
| 2026-01-30 | 6,820,353 | 6.67 | -0.0% |
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