William P Scully

10% owner, Prothena Corp Public Ltd Co

Bought, 12 months

$12.1M

Sold, 12 months

$0.0M

Companies

Latest trade

Oct 23, 2026

Companies

Prothena Corp Public Ltd Co10% owner +$12.1M

Trades

PRTA Bought 50,000 shares at $8.07 $0.4M Oct 23

PRTA Bought 100,000 shares at $8.19 $0.8M Oct 22

PRTA Bought 10,000 shares at $8.46 $0.1M Oct 14

PRTA Bought 100,000 shares at $8.35 $0.8M Oct 13

PRTA Bought 90,000 shares at $8.57 $0.8M Oct 8

PRTA Bought 125,000 shares at $8.40 $1.1M Oct 7

PRTA Bought 100,000 shares at $8.57 $0.9M Oct 2

PRTA Bought 162,000 shares at $8.68 $1.4M Sep 29

PRTA Bought 103,500 shares at $8.60 $0.9M Sep 28

PRTA Bought 100,000 shares at $8.43 $0.8M Sep 18

PRTA Bought 27,000 shares at $9.47 $0.3M Sep 2

PRTA Bought 50,000 shares at $8.79 $0.4M Aug 20

PRTA Bought 37,500 shares at $8.62 $0.3M Aug 7

PRTA Bought 20,000 shares at $7.90 $0.2M Jun 16

PRTA Bought 125,000 shares at $8.17 $1.0M Jun 11

PRTA Bought 50,000 shares at $9.31 $0.5M Jun 4

PRTA Bought 50,000 shares at $9.43 $0.5M Jun 2

PRTA Bought 100,000 shares at $9.81 $1.0M May 22

Open-market trades from SEC Form 4 only: no grants, option exercises or gifts. People are matched by the name on their filings, so two people with the same name share this page. For information only — not investment advice.