Insidervault
LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
Reporting ownerCIK 0001045463

William P. Scully

21 transactions in one company, from May 22, 2026 to October 14, 2026.

Transactions
211 company
Bought · P
$10.9Mopen market
Sold · S
$0open market
Net
+$10.9Mnet buying

By company

Where this insider traded.

CompanyTickerTradesBoughtSold
PROTHENA CORP PUBLIC LTD COPRTA21$10.9M—

All transactions

21 in total, newest filings first.

CompanyTickerInsiderDateCodeSharesPriceValue
PROTHENA CORP PUBLIC LTD COPRTAWilliam P. Scully10%Oct 14P10,000$8.46$85K
PROTHENA CORP PUBLIC LTD COPRTAWilliam P. Scully10%Oct 13P100,000$8.35$835K
PROTHENA CORP PUBLIC LTD COPRTAWilliam P. Scully10%Oct 8P90,000$8.57$771K
PROTHENA CORP PUBLIC LTD COPRTAWilliam P. Scully10%Oct 7P125,000$8.40$1.1M
PROTHENA CORP PUBLIC LTD COPRTAWilliam P. Scully10%Oct 2P100,000$8.57$857K
PROTHENA CORP PUBLIC LTD COPRTAWilliam P. Scully10%Sep 29P162,000$8.68$1.4M
PROTHENA CORP PUBLIC LTD COPRTAWilliam P. Scully10%Sep 28P103,500$8.60$890K
PROTHENA CORP PUBLIC LTD COPRTAWilliam P. Scully10%Sep 18P100,000$8.43$843K
PROTHENA CORP PUBLIC LTD COPRTAWilliam P. Scully10%Sep 2P27,000$9.47$256K
PROTHENA CORP PUBLIC LTD COPRTAWilliam P. Scully10%Aug 20P50,000$8.79$439K
PROTHENA CORP PUBLIC LTD COPRTAWilliam P. Scully10%Aug 18G627,553$0.00—
PROTHENA CORP PUBLIC LTD COPRTAWilliam P. Scully10%Aug 17G336,000$0.00—
PROTHENA CORP PUBLIC LTD COPRTAWilliam P. Scully10%Aug 10G251,553$0.00—
PROTHENA CORP PUBLIC LTD COPRTAWilliam P. Scully10%Aug 7P3,500$8.62$30K
PROTHENA CORP PUBLIC LTD COPRTAWilliam P. Scully10%Aug 7P34,000$8.62$293K
PROTHENA CORP PUBLIC LTD COPRTAWilliam P. Scully10%Jun 16P20,000$7.90$158K
PROTHENA CORP PUBLIC LTD COPRTAWilliam P. Scully10%Jun 15G325,000$0.00—
PROTHENA CORP PUBLIC LTD COPRTAWilliam P. Scully10%Jun 11P125,000$8.17$1.0M
PROTHENA CORP PUBLIC LTD COPRTAWilliam P. Scully10%Jun 4P50,000$9.31$465K
PROTHENA CORP PUBLIC LTD COPRTAWilliam P. Scully10%Jun 2P50,000$9.43$471K
PROTHENA CORP PUBLIC LTD COPRTAWilliam P. Scully10%May 22P100,000$9.81$981K