Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.
| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2026-07-20 | SCHEDULE 13D/A | ORBIMED ADVISORS LLC | — | 4,127,987 | view → | |
| 2026-07-10 | SCHEDULE 13G | Boxer Capital Management, LLC | — | — | view → | |
| 2026-06-04 | SCHEDULE 13G | BIOTECHNOLOGY VALUE FUND L P | — | — | view → | |
| 2026-06-01 | SCHEDULE 13D/A | ORBIMED ADVISORS LLC | — | 4,127,987 | view → | |
| 2026-05-28 | SCHEDULE 13D/A | Atlas Venture Fund X, L.P. | 3.60% | 864,261 | view → | |
| 2020-04-20 | SC | Flynn James E | — | — | view → | |
| 2020-01-31 | SC | Flynn James E | — | — | view → | |
| 2019-12-30 | SC | Flynn James E | — | — | view → |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-07-15 | 2,263,602 | 1.00 | +234.3% |
| 2026-06-30 | 677,047 | 1.61 | -25.3% |
| 2026-06-15 | 906,228 | 1.39 | +5.2% |
| 2026-05-29 | 861,749 | 1.00 | +36.2% |
| 2026-05-15 | 632,722 | 2.67 | -3.1% |
| 2026-04-30 | 652,815 | 1.65 | +70.7% |
| 2026-04-15 | 382,350 | 1.21 | -7.0% |
| 2026-03-31 | 411,011 | 1.20 | +17.3% |
| 2026-03-13 | 350,520 | 1.14 | -3.2% |
| 2026-02-27 | 362,026 | 2.91 | -1.0% |
| 2026-02-13 | 365,620 | 2.09 | +18.4% |
| 2026-01-30 | 308,671 | 1.68 | +16.5% |
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