Form 4: Prothena Corp Public Ltd Insider Buys Shares
Insider Transaction (Form 4)
William P Scully, a 10% owner of Prothena Corp Public Ltd Co, purchased 50,000 shares of common stock on August 20, 2026 for $8.79 per share.
Summary
- Open-market purchase: acquired 50,000 Ordinary Shares, par value $0.01 per share at $8.79 ($439,430) on August 20, 2026; holds 800,000 after (Direct).
Sentiment
Score: 8
Explanation: StockSavvy.ai views this as a bullish signal: an insider made an open-market purchase of $439,430, committing personal capital to the stock.
Insider Transactions
William P Scully — 10% owner
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-20 | Open-market purchase | Ordinary Shares, par value $0.01 per share | 50,000 | $9 | $439.4K | 800,000 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-20 | Open-market purchase (50,000 shares) |
Keywords
insider transaction, Form 4, PRTA, PROTHENA CORP PUBLIC LTD CO, bullish, William P Scully
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