William P Scully insider trades
Open-market stock purchases and sales by William P Scully, 10% Owner at Prothena Corp Public Ltd Co, from SEC Form 4 filings since Oct 30, 2014.
Track record: 0% of 11 scored buys are up 5% or more since purchase, averaging -14%.
Recent trades
| Date | Stock | Trade | Value |
|---|---|---|---|
| Oct 14, 2026 | PRTA Prothena Corp Public Ltd Co | Bought | $84.6K |
| Oct 13, 2026 | PRTA Prothena Corp Public Ltd Co | Bought | $835K |
| Oct 8, 2026 | PRTA Prothena Corp Public Ltd Co | Bought | $771K |
| Oct 7, 2026 | PRTA Prothena Corp Public Ltd Co | Bought | $1.1M |
| Oct 2, 2026 | PRTA Prothena Corp Public Ltd Co | Bought | $857K |
| Sep 29, 2026 | PRTA Prothena Corp Public Ltd Co | Bought | $1.4M |
| Sep 28, 2026 | PRTA Prothena Corp Public Ltd Co | Bought | $890K |
| Sep 18, 2026 | PRTA Prothena Corp Public Ltd Co | Bought | $843K |
| Sep 2, 2026 | PRTA Prothena Corp Public Ltd Co | Bought | $256K |
| Aug 20, 2026 | PRTA Prothena Corp Public Ltd Co | Bought | $439K |
| Aug 18, 2026 | PRTA Prothena Corp Public Ltd Co | Sold (not open market) | — |
| Aug 17, 2026 | PRTA Prothena Corp Public Ltd Co | Bought (not open market) | — |
| Aug 10, 2026 | PRTA Prothena Corp Public Ltd Co | Bought (not open market) | — |
| Aug 7, 2026 | PRTA Prothena Corp Public Ltd Co | Bought | $30.2K |
| Aug 7, 2026 | PRTA Prothena Corp Public Ltd Co | Bought | $293K |
| Jun 16, 2026 | PRTA Prothena Corp Public Ltd Co | Bought | $158K |
| Jun 15, 2026 | PRTA Prothena Corp Public Ltd Co | Sold (not open market) | — |
| Jun 11, 2026 | PRTA Prothena Corp Public Ltd Co | Bought | $1M |
| Jun 4, 2026 | PRTA Prothena Corp Public Ltd Co | Bought | $465K |
| Jun 2, 2026 | PRTA Prothena Corp Public Ltd Co | Bought | $471K |
| May 22, 2026 | PRTA Prothena Corp Public Ltd Co | Bought | $981K |