Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.
| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2026-09-21 | SCHEDULE 13G | MOLL PETER | — | — | view → | |
| 2026-07-02 | SCHEDULE 13D/A | RA CAPITAL MANAGEMENT, L.P. | 4.10% | 1,985,541 | view → | |
| 2026-06-26 | SCHEDULE 13D/A | RA CAPITAL MANAGEMENT, L.P. | 6.00% | 2,915,742 | view → | |
| 2026-06-22 | SCHEDULE 13D/A | RA CAPITAL MANAGEMENT, L.P. | — | 3,654,307 | view → | |
| 2026-06-15 | SCHEDULE 13D/A | RA CAPITAL MANAGEMENT, L.P. | — | 5,138,703 | view → | |
| 2026-05-14 | SCHEDULE 13D/A | RA CAPITAL MANAGEMENT, L.P. | — | 6,116,140 | view → | |
| 2025-12-29 | SCHEDULE | MPM BioVentures 2014, L.P. | 8.20% | 3,977,612 | view → | |
| 2025-05-14 | SCHEDULE | RA CAPITAL MANAGEMENT, L.P. | 15.00% | 6,746,807 | view → | |
| 2022-08-12 | SC | RA CAPITAL MANAGEMENT, L.P. | — | — | view → | |
| 2021-06-16 | SC | RA CAPITAL MANAGEMENT, L.P. | — | — | view → |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-10-15 | 2,356,300 | 5.10 | -6.2% |
| 2026-09-30 | 2,511,400 | 3.70 | +47.2% |
| 2026-09-15 | 1,705,956 | 1.90 | +2.3% |
| 2026-08-31 | 1,668,357 | 1.00 | +56.3% |
| 2026-08-14 | 1,067,589 | 3.70 | -2.9% |
| 2026-07-31 | 1,099,472 | 1.30 | +17.7% |
| 2026-07-15 | 934,340 | 1.03 | +10.3% |
| 2026-06-30 | 847,096 | 1.00 | -12.2% |
| 2026-06-15 | 964,624 | 1.95 | +1.6% |
| 2026-05-29 | 949,598 | 1.56 | +42.2% |
| 2026-05-15 | 667,626 | 1.00 | -8.2% |
| 2026-04-30 | 726,859 | 2.37 | -7.7% |
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