Insider · CIK 0001045463
William P Scully
Files at: PRTA, YTEN. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 18, 2026 PForm 4 → | Sep 21, 4:23 pm EDT | PROTHENA CORP PUBLIC LTD COPRTA | 100,000 | $8.43 | $843,460 | 927,000 | +12.1% | |
| Sep 2, 2026 PForm 4 → | Sep 3, 6:23 pm EDT | PROTHENA CORP PUBLIC LTD COPRTA | 27,000 | $9.47 | $255,739 | 827,000 | +3.38% | |
| Aug 20, 2026 PForm 4 → | Aug 21, 2:32 pm EDT | PROTHENA CORP PUBLIC LTD COPRTA | 50,000 | $8.79 | $439,430 | 800,000 | +6.67% | |
| Aug 17, 2026 GForm 4 → | Aug 18, 4:03 pm EDT | PROTHENA CORP PUBLIC LTD COPRTA | 963,553 | — | — | 750,000 | — | |
| Aug 10, 2026 GForm 4 → | Aug 11, 4:08 pm EDT | PROTHENA CORP PUBLIC LTD COPRTA | 251,553 | — | — | 1,041,553 | — | |
| Aug 7, 2026 PForm 4 → | Aug 10, 3:24 pm EDT | PROTHENA CORP PUBLIC LTD COPRTA | 37,500 | $8.62 | $323,220 | 83,500 | +81.5% |
Reported trades — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.