Prothena Corporation Plc · NASDAQ:PRTA

Scully William P bought 215,000 Prothena Corporation Plc shares (Form 4)

Traded Oct 7 to Oct 8, 2026 · Filed Oct 9, 2026

From Oct 7 to Oct 8, 2026, Scully William P (10% owner) bought 215,000 Prothena Corporation Plc shares at an average US$8.47 for US$1.82M, leaving 529,000 shares. Filed Oct 9, 2026 (Form 4).

Bought
215,000 shares
Price
US$8.47 average (US$8.40 to US$8.57)
Value
US$1.82M
Holding after
529,000 shares (held indirectly)
Trading plan
No
Role
10% owner

The filing in full

DateSecurityTransactionSharesPriceHolding afterOwnership
Oct 7, 2026Ordinary Shares, par value $0.01 per shareBuy125,000US$8.40439,000Indirect
Oct 8, 2026Ordinary Shares, par value $0.01 per shareBuy90,000US$8.57529,000Indirect

Source

View original at SEC

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