SCULLY WILLIAM P Insider Trading -- Recent SEC Form 4 Transactions

SCULLY WILLIAM P (CIK 1045463) reported 25 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-21). Recent activity: Buy PRTA (50,000 shares), Buy PRTA (336,000 shares), Sell PRTA (627,553 shares), Buy PRTA (251,553 shares), Buy PRTA (34,000 shares). Source: SEC Form 4.

DateCompanyRoleTypeSharesValue
2026-08-21PROTHENA CORP PUBLIC LTD CO (PRTA)10% OwnerBuy50,000$439,430
2026-08-18PROTHENA CORP PUBLIC LTD CO (PRTA)10% OwnerBuy336,000$0
2026-08-18PROTHENA CORP PUBLIC LTD CO (PRTA)10% OwnerSell627,553$0
2026-08-11PROTHENA CORP PUBLIC LTD CO (PRTA)10% OwnerBuy251,553$0
2026-08-10PROTHENA CORP PUBLIC LTD CO (PRTA)10% OwnerBuy34,000$293,053
2026-08-10PROTHENA CORP PUBLIC LTD CO (PRTA)10% OwnerBuy3,500$30,167
2026-06-18PROTHENA CORP PUBLIC LTD CO (PRTA)10% OwnerBuy20,000$157,990
2026-06-16PROTHENA CORP PUBLIC LTD CO (PRTA)10% OwnerSell325,000$0
2026-06-12PROTHENA CORP PUBLIC LTD CO (PRTA)10% OwnerBuy125,000$1.0M
2026-06-05PROTHENA CORP PUBLIC LTD CO (PRTA)10% OwnerBuy50,000$465,295
2026-06-03PROTHENA CORP PUBLIC LTD CO (PRTA)10% OwnerBuy50,000$471,300
2026-05-26PROTHENA CORP PUBLIC LTD CO (PRTA)10% OwnerBuy100,000$981,300
2025-05-02PROTHENA CORP PUBLIC LTD CO (PRTA)InsiderBuy430,000$0
2025-05-02PROTHENA CORP PUBLIC LTD CO (PRTA)InsiderBuy73,436$1.0M
2025-05-02PROTHENA CORP PUBLIC LTD CO (PRTA)InsiderSell681,000$0
2025-05-02PROTHENA CORP PUBLIC LTD CO (PRTA)InsiderBuy2,000$31,820
2025-05-02PROTHENA CORP PUBLIC LTD CO (PRTA)InsiderSell500$0
2025-05-02PROTHENA CORP PUBLIC LTD CO (PRTA)InsiderBuy1,200$16,044
2025-05-02PROTHENA CORP PUBLIC LTD CO (PRTA)InsiderBuy800$10,712
2025-05-02PROTHENA CORP PUBLIC LTD CO (PRTA)InsiderBuy30,000$389,700
2025-05-02PROTHENA CORP PUBLIC LTD CO (PRTA)InsiderSell13,200$0
2025-05-02PROTHENA CORP PUBLIC LTD CO (PRTA)InsiderSell1,000$0
2025-05-02PROTHENA CORP PUBLIC LTD CO (PRTA)InsiderBuy100,000$1.3M
2025-05-02PROTHENA CORP PUBLIC LTD CO (PRTA)InsiderSell40,000$0
2025-05-02PROTHENA CORP PUBLIC LTD CO (PRTA)InsiderSell12,000$0

Source: SEC Form 4 filings · as of 2026-08-21