Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.
| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2025-11-07 | SCHEDULE | RA CAPITAL MANAGEMENT, L.P. | 22.60% | 10,071,712 | view → |
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-11 | ORBIMED ADVISORS LLC | director | Sale | 184,639 | $46.22 | $8.53M |
| 2026-05-11 | Thompson Peter A. | director | Sale | 184,639 | $46.22 | $8.53M |
| 2026-05-08 | ORBIMED ADVISORS LLC | director | Sale | 59,767 | $44.58 | $2.66M |
| 2026-05-08 | Thompson Peter A. | director | Sale | 59,767 | $44.58 | $2.66M |
| 2026-05-07 | Thompson Peter A. | director | Sale | 48,546 | $44.61 | $2.17M |
| 2026-05-07 | ORBIMED ADVISORS LLC | director | Sale | 48,546 | $44.61 | $2.17M |
| 2026-04-18 | ORBIMED ADVISORS LLC | director | Sale | 2,948 | $44.52 | $131K |
| 2026-04-18 | Thompson Peter A. | director | Sale | 2,948 | $44.52 | $131K |
| 2026-04-17 | Thompson Peter A. | director | Sale | 52,397 | $44.68 | $2.34M |
| 2026-04-17 | ORBIMED ADVISORS LLC | director | Sale | 52,397 | $44.68 | $2.34M |
| 2026-04-16 | ORBIMED ADVISORS LLC | director | Sale | 226,906 | $45.34 | $10.29M |
| 2026-04-16 | Thompson Peter A. | director | Sale | 226,906 | $45.34 | $10.29M |
| 2026-04-15 | ORBIMED ADVISORS LLC | director | Sale | 235,863 | $44.64 | $10.53M |
| 2026-04-15 | Thompson Peter A. | director | Sale | 235,863 | $44.64 | $10.53M |
| 2026-04-14 | Thompson Peter A. | director | Sale | 47,814 | $44.51 | $2.13M |
| 2026-04-14 | ORBIMED ADVISORS LLC | director | Sale | 47,814 | $44.51 | $2.13M |
| 2026-03-05 | Fitzpatrick Jennifer | officer | Option exercise | 10,250 | $6.11 | $63K |
| 2026-03-05 | Fitzpatrick Jennifer | officer | Sale | 10,250 | $33.86 | $347K |
| 2026-02-03 | ORBIMED ADVISORS LLC | director | Sale | 29,063 | $44.58 | $1.30M |
| 2026-02-03 | Thompson Peter A. | director | Sale | 29,063 | $44.58 | $1.30M |
| 2026-02-02 | Thompson Peter A. | director | Sale | 1,890 | $44.57 | $84K |
| 2026-02-02 | ORBIMED ADVISORS LLC | director | Sale | 1,890 | $44.57 | $84K |
| 2026-01-22 | TPG GP A, LLC | 10%+ | Sale | 250,000 | $40.00 | $10.00M |
| 2026-01-02 | McKee Charlotte | officer | Award | 155,700 | $39.21 | $6.10M |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-07-15 | 5,257,277 | 11.51 | -4.8% |
| 2026-06-30 | 5,522,307 | 10.14 | +10.5% |
| 2026-06-15 | 4,996,300 | 13.87 | +7.7% |
| 2026-05-29 | 4,639,069 | 14.53 | -2.1% |
| 2026-05-15 | 4,740,815 | 11.25 | +12.1% |
| 2026-04-30 | 4,230,439 | 9.29 | +11.3% |
| 2026-04-15 | 3,799,971 | 8.51 | +1.1% |
| 2026-03-31 | 3,756,705 | 11.29 | +6.0% |
| 2026-03-13 | 3,544,166 | 12.34 | +5.8% |
| 2026-02-27 | 3,350,255 | 23.36 | +9.3% |
| 2026-02-13 | 3,064,857 | 7.53 | -2.5% |
| 2026-01-30 | 3,143,560 | 13.55 | +2.9% |
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