Form 4: Prothena Corp Public Ltd Insider Reports Stock Transaction
Insider Transaction (Form 4)
William P Scully, a 10% owner of Prothena Corp Public Ltd Co, reported multiple transactions in common stock on August 18, 2026.
Summary
- Bona fide gift: acquired 336,000 Ordinary Shares, par value $0.01 per share on August 17, 2026; holds 1,377,553 after (Direct).
- Bona fide gift: disposed of 627,553 Ordinary Shares, par value $0.01 per share on August 18, 2026; holds 750,000 after (Direct).
Sentiment
Score: 5
Explanation: StockSavvy.ai views this as routine: the reported changes are grants, option exercises, tax withholding or similar administrative transactions, which carry limited directional signal.
Insider Transactions
William P Scully — 10% owner
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-17 | Bona fide gift | Ordinary Shares, par value $0.01 per share | 336,000 | — | — | 1,377,553 |
| 2026-08-18 | Bona fide gift | Ordinary Shares, par value $0.01 per share | 627,553 | — | — | 750,000 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-17 | Bona fide gift (336,000 shares) |
| 2026-08-18 | Bona fide gift (627,553 shares) |
Keywords
insider transaction, Form 4, PRTA, PROTHENA CORP PUBLIC LTD CO, neutral, William P Scully
Disclaimer:The information provided here is for general informational purposes only and does not constitute financial advice, recommendation, or endorsement of any kind. It may contain errors or omissions. You should not rely on this information to make financial decisions. Always seek the advice of a qualified financial professional before making any investment or financial decisions. Use of this information is at your own risk.