Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.
| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2026-05-22 | SCHEDULE 13D/A | CMLS Holdings LLC | 17.90% | 537,285 | view → | |
| 2026-05-15 | SCHEDULE 13D/A | CMLS Holdings LLC | 17.90% | 537,285 | view → | |
| 2026-05-11 | SCHEDULE 13D/A | CMLS Holdings LLC | — | 537,285 | view → | |
| 2025-02-21 | SCHEDULE | ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI | 4.89% | 1,373,569 | view → | |
| 2025-02-18 | SCHEDULE | ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI | 6.10% | 1,680,016 | view → | |
| 2024-07-05 | SC | OPKO HEALTH, INC. | — | — | view → | |
| 2022-12-05 | SC | CMLS Holdings LLC | — | — | view → | |
| 2022-01-21 | SC | ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI | — | — | view → | |
| 2022-01-20 | SC | Blackstone Holdings III L.P. | — | — | view → | |
| 2022-01-19 | SC | CMLS Holdings LLC | — | — | view → |
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-20 | Casdin Capital, LLC | director, 10%+ | Buy | 140,000 | $43.81 | $6.13M |
| 2026-05-19 | Casdin Capital, LLC | director, 10%+ | Buy | 185,000 | $42.60 | $7.88M |
| 2026-05-18 | Casdin Capital, LLC | director, 10%+ | Buy | 175,000 | $42.55 | $7.45M |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-05-29 | 11,792 | 1.00 | -13.7% |
| 2026-05-15 | 13,670 | 1.00 | -40.8% |
| 2026-04-30 | 23,087 | 1.00 | -3.6% |
| 2026-04-15 | 23,962 | 1.00 | +75.2% |
| 2026-03-31 | 13,678 | 1.00 | -1.6% |
| 2026-03-13 | 13,901 | 1.00 | +262.0% |
| 2026-02-27 | 3,840 | 1.00 | +23.6% |
| 2026-02-13 | 3,106 | 1.00 | -8.1% |
| 2026-01-30 | 3,379 | 1.00 | +215.8% |
| 2026-01-15 | 1,070 | 1.00 | +10.3% |
| 2025-12-31 | 970 | 1.00 | -75.9% |
| 2025-12-15 | 4,020 | 1.00 | +30.7% |
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