SCULLY WILLIAM P bought PRTA
October 14, 2026 · Form 4 insider transaction
SCULLY WILLIAM P bought 10,000 shares of Prothena Corporation plc at $8.46 per share, a transaction worth $84.6K. The trade was recorded as open-market purchase and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Acquired (buy-side)
Shares
10,000
Price
$8.46
Total value
$84.6K
InsiderSCULLY WILLIAM P
Role—
SecurityOrdinary Shares, par value $0.01 per share
Transaction codeP: Open-market purchase
Transaction dateOctober 14, 2026
Filing dateOctober 15, 2026
Shares owned after1,037,000
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $8.4000 to $8.5600, inclusive.