PROTHENA CORP PUBLIC LTD CO (PRTA) Insider Trading
Sector: Biotechnology · Market Cap: $485M · 1 insider purchase in the last 7 days
| INSIDER | DATE | SHARES | PRICE | TOTAL VALUE | OWNED AFTER | Δ OWNED | FILING |
|---|---|---|---|---|---|---|---|
| William P Scully 10%+ Owner | Aug 20, 2026 | 50,000 | $8.79 | $439K | 800,000 | +6.7% |
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Start for FreeAbout PROTHENA CORP PUBLIC LTD CO Insider Trading
1 insider at PROTHENA CORP PUBLIC LTD CO (PRTA) has purchased stock in the past 90 days, totaling $1.4M across 5 transactions (157,500 shares).
The most recent purchase was by 10%+ Owner SCULLY WILLIAM P on August 20, 2026 — a $439K buy of 50,000 shares at $8.79, bringing their total holdings to 800,000 shares.
This level of insider buying appears elevated compared to PRTA's typical activity — there were 1 purchase in the prior nine months.
PRTA is in the Biotechnology sector within the Biotechnology industry with a market cap of $485M.
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