WP
William P Scully bought $920K of PRTA stock
William P Scully, 10% owner of Prothena Corp Public Ltd Co (PRTA), bought 110,000 shares of PRTA stock worth $920K, per an SEC Form 4 filed Oct 15, 2026.
It was an open-market purchase.
The trade happened on Oct 13, 2026, 2 days before it was made public.
PRTA has moved -1.6% since the trade date, from $8.36 to $8.23 (Nov 12, 2026 close).
- Traded
- Oct 13, 2026
- Disclosed
- Oct 15, 2026
- Filing delay
- 2 days
- Price since
- -1.6%
- Role
- 10% owner
- Source
- SEC Form 4