William P. Scully
Major shareholder at Prothena Corp Public · 22 reported transactions in 1 company · latest trade Oct 23, 2026
Their record
No purchases old enough to measure yet.
Their trades
Bought | Oct 23, 2026 | Oct 23, 2026 close $8.20 → Oct 30, 2026 close $8.47. S&P 500 −0.6% over the same days. | ||
Bought | Oct 22, 2026 | Oct 22, 2026 close $8.25 → Oct 30, 2026 close $8.47. S&P 500 −1.1% over the same days. | ||
Bought | Oct 14, 2026 | Oct 14, 2026 close $8.37 → Oct 30, 2026 close $8.47. S&P 500 −1.8% over the same days. | ||
Bought | Oct 13, 2026 | Oct 13, 2026 close $8.36 → Oct 30, 2026 close $8.47. S&P 500 −2.9% over the same days. | ||
Bought | Oct 8, 2026 | Oct 8, 2026 close $8.61 → Oct 30, 2026 close $8.47. S&P 500 −2.4% over the same days. | ||
Bought | Oct 7, 2026 | Oct 7, 2026 close $8.48 → Oct 30, 2026 close $8.47. S&P 500 −2.8% over the same days. | ||
Bought | Oct 2, 2026 | Oct 2, 2026 close $8.36 → Oct 30, 2026 close $8.47. S&P 500 −1.8% over the same days. | ||
Bought | Sep 28, 2026 | Sep 28, 2026 close $8.72 → Oct 30, 2026 close $8.47. S&P 500 −1.3% over the same days. | ||
Bought | Sep 18, 2026 | Sep 18, 2026 close $8.58 → Oct 30, 2026 close $8.47. S&P 500 −0.8% over the same days. |
BoughtProthena Corp Public
$403.5K
Oct 23, 2026 close $8.20 → Oct 30, 2026 close $8.47. S&P 500 −0.6% over the same days.
BoughtProthena Corp Public
$818.5K
Oct 22, 2026 close $8.25 → Oct 30, 2026 close $8.47. S&P 500 −1.1% over the same days.
BoughtProthena Corp Public
$84.6K
Oct 14, 2026 close $8.37 → Oct 30, 2026 close $8.47. S&P 500 −1.8% over the same days.
BoughtProthena Corp Public
$835.5K
Oct 13, 2026 close $8.36 → Oct 30, 2026 close $8.47. S&P 500 −2.9% over the same days.
BoughtProthena Corp Public
$770.9K
Oct 8, 2026 close $8.61 → Oct 30, 2026 close $8.47. S&P 500 −2.4% over the same days.
BoughtProthena Corp Public
$1.05M
Oct 7, 2026 close $8.48 → Oct 30, 2026 close $8.47. S&P 500 −2.8% over the same days.
BoughtProthena Corp Public
$857.2K
Oct 2, 2026 close $8.36 → Oct 30, 2026 close $8.47. S&P 500 −1.8% over the same days.
BoughtProthena Corp Public
$889.9K
Sep 28, 2026 close $8.72 → Oct 30, 2026 close $8.47. S&P 500 −1.3% over the same days.
BoughtProthena Corp Public
$843.5K
Sep 18, 2026 close $8.58 → Oct 30, 2026 close $8.47. S&P 500 −0.8% over the same days.