Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.
| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2026-10-01 | SCHEDULE 13G | Commodore Capital LP | — | — | view → | |
| 2026-05-18 | SCHEDULE 13D/A | COLUMN GROUP III GP, LP | — | 2,962,544 | view → | |
| 2026-01-22 | SCHEDULE | COLUMN GROUP III GP, LP | 35.10% | 3,824,612 | view → | |
| 2024-04-08 | SC | COLUMN GROUP III GP, LP | — | — | view → | |
| 2021-09-29 | SC | Consonance Capital Management LP | — | — | view → | |
| 2021-08-18 | SC | Consonance Capital Management LP | — | — | view → | |
| 2021-04-27 | SC | Consonance Capital Management LP | — | — | view → |
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-13 | Rothenberg Mace | director | Award | 5,550 | $30.14 | $167K |
| 2026-05-13 | WOODHOUSE DAVID J | director | Award | 5,550 | $30.14 | $167K |
| 2026-05-13 | Haak-Frendscho Mary | director | Award | 5,550 | $30.14 | $167K |
| 2026-05-13 | CHAI CHRISTOPHER Y | director | Award | 5,550 | $30.14 | $167K |
| 2026-05-13 | BJERKHOLT ERIC | director | Award | 5,550 | $30.14 | $167K |
| 2026-05-13 | Berkenblit Anna | director | Award | 5,550 | $30.14 | $167K |
| 2026-05-04 | Parker Craig C | director, officer | Sale | 4,524 | $33.33 | $151K |
| 2026-05-04 | Williams Charles O | officer | Sale | 2,036 | $33.33 | $68K |
| 2026-05-04 | Li Yang | officer | Sale | 1,584 | $33.33 | $53K |
| 2026-05-01 | Li Yang | officer | Option exercise | 4,375 | — | — |
| 2026-05-01 | Williams Charles O | officer | Option exercise | 5,625 | — | — |
| 2026-05-01 | Parker Craig C | director, officer | Option exercise | 12,500 | — | — |
| 2026-03-31 | Li Yang | officer | Gift | 1,666 | — | — |
| 2026-03-24 | TCG Crossover GP II, LLC | 10%+ | Buy | 53,329 | $24.69 | $1.32M |
| 2026-03-23 | TCG Crossover GP II, LLC | 10%+ | Buy | 7,612 | $24.90 | $190K |
| 2026-03-23 | TCG Crossover GP II, LLC | 10%+ | Buy | 7,611 | $24.90 | $190K |
| 2026-03-16 | TCG Crossover GP II, LLC | 10%+ | Buy | 595 | $24.99 | $15K |
| 2026-03-13 | TCG Crossover GP II, LLC | 10%+ | Buy | 17,717 | $24.88 | $441K |
| 2026-03-13 | TCG Crossover GP II, LLC | 10%+ | Buy | 17,716 | $24.88 | $441K |
| 2026-03-12 | TCG Crossover GP II, LLC | 10%+ | Buy | 6,187 | $24.99 | $155K |
| 2026-02-17 | Li Yang | officer | Award | 100,950 | $24.53 | $2.48M |
| 2026-02-17 | Williams Charles O | officer | Award | 102,900 | $24.53 | $2.52M |
| 2026-02-17 | Parker Craig C | director, officer | Award | 242,200 | $24.53 | $5.94M |
| 2026-02-17 | Parker Craig C | director, officer | Award | 242,200 | — | — |
| 2026-02-17 | Williams Charles O | officer | Award | 102,900 | — | — |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-09-30 | 2,189,760 | 1.51 | -0.3% |
| 2026-09-15 | 2,195,505 | 12.68 | +51.9% |
| 2026-08-31 | 1,445,491 | 7.73 | +15.3% |
| 2026-08-14 | 1,253,140 | 4.84 | +8.9% |
| 2026-07-31 | 1,150,387 | 4.06 | +18.5% |
| 2026-07-15 | 970,957 | 6.23 | +36.8% |
| 2026-06-30 | 709,757 | 3.09 | +105.1% |
| 2026-06-15 | 346,034 | 3.57 | -37.3% |
| 2026-05-29 | 551,841 | 5.43 | +1.0% |
| 2026-05-15 | 546,224 | 6.42 | -3.4% |
| 2026-04-30 | 565,307 | 4.70 | +30.1% |
| 2026-04-15 | 434,571 | 3.13 | +25.8% |
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