Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.
| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2026-06-12 | SCHEDULE 13D | VIKING GLOBAL INVESTORS LP | 15.00% | 58,651,170 | view → | |
| 2026-06-09 | SCHEDULE 13D/A | Casdin Capital, LLC | 23.90% | 88,783,856 | view → | |
| 2025-03-04 | SCHEDULE | Casdin Capital, LLC | 21.60% | 80,864,315 | view → | |
| 2024-01-09 | SC | Casdin Capital, LLC | — | — | view → | |
| 2024-01-08 | SC | Caligan Partners LP | — | — | view → | |
| 2023-07-03 | SC | Caligan Partners LP | — | — | view → | |
| 2022-08-05 | SC | Caligan Partners LP | — | — | view → | |
| 2019-04-02 | SC | LEVIN CAPITAL STRATEGIES, L.P. | — | — | view → | |
| 2019-03-20 | SC | LEVIN CAPITAL STRATEGIES, L.P. | — | — | view → | |
| 2018-03-06 | SC | LEVIN CAPITAL STRATEGIES, L.P. | — | — | view → | |
| 2018-01-11 | SC | LEVIN CAPITAL STRATEGIES, L.P. | — | — | view → |
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-23 | Kim Hanjoon Alex | officer | F | 202,476 | $0.90 | $181K |
| 2026-04-06 | Kim Hanjoon Alex | officer | Option exercise | 70,183 | — | — |
| 2026-04-06 | Kim Hanjoon Alex | officer | F | 21,301 | $0.91 | $19K |
| 2026-04-06 | Kim Hanjoon Alex | officer | Option exercise | 70,183 | — | — |
| 2026-04-06 | Egholm Michael | director, officer | Option exercise | 196,513 | — | — |
| 2026-04-06 | Egholm Michael | director, officer | F | 95,014 | $0.91 | $86K |
| 2026-04-06 | Egholm Michael | director, officer | Option exercise | 196,513 | — | — |
| 2026-03-20 | Egholm Michael | director, officer | Award | 1,042,373 | — | — |
| 2026-03-20 | Mackay Sean | officer | Award | 272,107 | — | — |
| 2026-03-20 | Kim Hanjoon Alex | officer | Award | 323,173 | — | — |
| 2026-03-20 | Kim Hanjoon Alex | officer | Award | 727,140 | $0.98 | $716K |
| 2026-03-20 | Mackay Sean | officer | Award | 612,240 | $0.98 | $603K |
| 2026-03-20 | Egholm Michael | director, officer | Award | 2,345,340 | $0.98 | $2.31M |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-10-15 | 2,445,793 | 2.50 | -3.0% |
| 2026-09-30 | 2,520,686 | 2.72 | -2.8% |
| 2026-09-15 | 2,593,308 | 1.44 | -12.9% |
| 2026-08-31 | 2,979,028 | 1.75 | +23.9% |
| 2026-08-14 | 2,405,258 | 2.16 | -10.7% |
| 2026-07-31 | 2,694,489 | 1.34 | +21.7% |
| 2026-07-15 | 2,213,551 | 1.00 | -35.4% |
| 2026-06-30 | 3,425,003 | 1.00 | -65.8% |
| 2026-06-15 | 10,029,339 | 2.03 | -23.6% |
| 2026-05-29 | 13,127,631 | 5.91 | +1.6% |
| 2026-05-15 | 12,920,309 | 6.99 | +9.3% |
| 2026-04-30 | 11,821,128 | 4.25 | +39.4% |
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