Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.
| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2025-03-17 | SCHEDULE | EcoR1 Capital, LLC | 24.20% | 16,858,418 | view → | |
| 2025-02-18 | SCHEDULE | EcoR1 Capital, LLC | 22.80% | 15,720,161 | view → | |
| 2025-01-13 | SCHEDULE | EcoR1 Capital, LLC | 22.40% | 15,411,078 | view → |
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-13 | Schneider Paul R | officer | Award | 178,000 | $24.57 | $4.37M |
| 2026-05-13 | Schneider Paul R | officer | Award | 119,000 | — | — |
| 2026-04-09 | Schayowitz Adam | officer | Award | 70,000 | $27.35 | $1.91M |
| 2026-04-09 | Platshon Scott | officer | Award | 70,000 | $27.35 | $1.91M |
| 2026-04-09 | Platshon Scott | officer | Award | 47,000 | — | — |
| 2026-04-09 | Platshon Scott | officer | Award | 76,000 | — | — |
| 2026-04-09 | Schayowitz Adam | officer | Award | 47,000 | — | — |
| 2026-04-09 | Schayowitz Adam | officer | Award | 76,000 | — | — |
| 2026-04-06 | Stafford Kristin | officer | Award | 178,000 | $25.84 | $4.60M |
| 2026-04-06 | Stafford Kristin | officer | Award | 119,000 | — | — |
| 2026-04-06 | Stafford Kristin | officer | Award | 50,000 | — | — |
| 2026-01-12 | Hollywood Mark | officer | Option exercise | 17,666 | — | — |
| 2026-01-12 | Cherry Brian N | director | Award | 23,000 | $23.16 | $533K |
| 2026-01-12 | Smith Jeffrey T L | officer | Option exercise | 17,666 | — | — |
| 2026-01-12 | Ciongoli Gregory Austin | director | Award | 11,500 | $23.16 | $266K |
| 2026-01-12 | Neu Kelvin | director | Award | 11,500 | $23.16 | $266K |
| 2026-01-12 | Landry Robert E | director | Award | 11,500 | $23.16 | $266K |
| 2026-01-12 | Cesano Alessandra | director | Award | 11,500 | $23.16 | $266K |
| 2026-01-12 | Campoy Carlos | director | Award | 11,500 | $23.16 | $266K |
| 2026-01-12 | Mahony Susan | director | Award | 11,500 | $23.16 | $266K |
| 2026-01-12 | Moore Paul Andrew | officer | Option exercise | 17,666 | — | — |
| 2026-01-12 | Galbraith Kenneth | director, officer | Option exercise | 64,000 | — | — |
| 2026-01-12 | Galbraith Kenneth | director, officer | Sale | 30,424 | $22.67 | $690K |
| 2026-01-12 | Galbraith Kenneth | director, officer | Option exercise | 64,000 | — | — |
| 2026-01-12 | Galbraith Kenneth | director, officer | Award | 216,000 | $23.16 | $5.00M |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-10-15 | 5,577,540 | 4.36 | +5.4% |
| 2026-09-30 | 5,291,136 | 5.55 | +7.1% |
| 2026-09-15 | 4,939,072 | 7.97 | +4.5% |
| 2026-08-14 | 4,538,353 | 8.50 | +10.5% |
| 2026-07-31 | 4,106,590 | 10.90 | +0.1% |
| 2026-07-15 | 4,102,257 | 7.56 | -6.0% |
| 2026-06-30 | 4,364,318 | 6.19 | -2.7% |
| 2026-06-15 | 4,485,642 | 5.57 | -0.9% |
| 2026-05-29 | 4,527,668 | 7.61 | +1.3% |
| 2026-05-15 | 4,470,973 | 6.64 | -3.8% |
| 2026-04-30 | 4,648,225 | 8.40 | -0.1% |
| 2026-04-15 | 4,652,176 | 7.00 | +4.3% |
Free. We email you when criteria match. One-click unsubscribe in every email.
Free $0 (48h-delayed alerts) · Individual $49/mo (real-time) · Team & API $199/mo · Enterprise.
See pricing →