PRTA
Prothena Corp Public Ltd Co
$3.10M
Single buy
Discretionary Insider Activity
Date:
05/22/2026
Insiders:
SCULLY WILLIAM P, a 10%+ owner
Prior trend:
12 months of no discretionary insider activity

Summary

A $3.10M single buy for Prothena Corp Public Ltd Co (PRTA) on 05/22/2026 after 12 months of no discretionary insider activity.

Reports

Action Amount Date Insider Role(s) SEC Filing No
Buy $981K 05/26/2026 SCULLY WILLIAM P A 10%+ owner 0001045463-26-000004
Buy $471K 06/03/2026 SCULLY WILLIAM P A 10%+ owner 0001045463-26-000005
Buy $465K 06/05/2026 SCULLY WILLIAM P A 10%+ owner 0001045463-26-000006
Buy $1.02M 06/12/2026 SCULLY WILLIAM P A 10%+ owner 0001045463-26-000007
Buy $158K 06/18/2026 SCULLY WILLIAM P A 10%+ owner 0001045463-26-000009

Stake Changes

Action Insider Role(s) Total Change % Change
Buy SCULLY WILLIAM P A 10%+ owner $3.10M 2.7%

Transactions

Action Amount Date Insider Security Type SEC Code
Buy $981K 05/22/2026 SCULLY WILLIAM P Ordinary Shares, par value $0.01 per share Discretionary Purchase
Buy $471K 06/02/2026 SCULLY WILLIAM P Ordinary Shares, par value $0.01 per share Discretionary Purchase
Buy $465K 06/04/2026 SCULLY WILLIAM P Ordinary Shares, par value $0.01 per share Discretionary Purchase
Buy $1.02M 06/11/2026 SCULLY WILLIAM P Ordinary Shares, par value $0.01 per share Discretionary Purchase
Buy $158K 06/16/2026 SCULLY WILLIAM P Ordinary Shares, par value $0.01 per share Discretionary Purchase

Metadata

Signal ID:
Cu2aHQGQAdFHf6ft
Scanned on:
06/18/2026
Status:
Current