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% |
Reported trades — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.