Company · CIK 0001559053 · SIC 2834 — Pharmaceutical Preparations · Nasdaq
PROTHENA CORP PUBLIC LTD CO · PRTA
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 18, 2026 PForm 4 → | Sep 21, 4:23 pm EDT | William P Scully10% Owner | 100,000 | $8.43 | $843,460 | 927,000 | +12.1% | |
| Sep 2, 2026 PForm 4 → | Sep 3, 6:23 pm EDT | William P Scully10% Owner | 27,000 | $9.47 | $255,739 | 827,000 | +3.38% |
Reported at this company — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.