SCULLY WILLIAM P Insider Trading Activity

Average Profitability
<0.0001%
Insider Buys Quantity
4
Insider Buys Sum
$2.75M
Insider Sells Quantity
0
Insider Sells Sum
$0

Insider Activity of SCULLY WILLIAM P

According to the SEC Form 4 filings, SCULLY WILLIAM P, being in a position of

  1. 10 percent owner at Prothena Corporation plc,
    оver the last 12 months, has bought 1300000 shares for $11.23M, and sold 0 shares,
    over all time since 2024-12-18, has bought 1507436 shares for $13.98M, and sold 0 shares.

Biography of SCULLY WILLIAM P

No biography is available at this moment.

Statistics of Insider Transactions Last Year

Amount of Insider Buys and Sells by Stocks

Buys
 $11,231,43317100
Sells
 $000

Comparison of Insiders on Amount of Buys and Sells

2026-10-23PurchaseProthena Corporation plc
PRTA
10 percent owner
50,000
0.0944%
$8.07$403,525+3.29%
2026-10-22PurchaseProthena Corporation plc
PRTA
10 percent owner
100,000
0.1903%
$8.19$818,520+2.24%
2026-10-14PurchaseProthena Corporation plc
PRTA
10 percent owner
10,000
0.0193%
$8.46$84,569+0.78%
2026-10-13PurchaseProthena Corporation plc
PRTA
10 percent owner
100,000
0.1909%
$8.35$835,480+0.48%
2026-10-08PurchaseProthena Corporation plc
PRTA
10 percent owner
90,000
0.171%
$8.57$770,904-2.26%
2026-10-07PurchaseProthena Corporation plc
PRTA
10 percent owner
125,000
0.2365%
$8.40$1.05M-0.59%
2026-10-02PurchaseProthena Corporation plc
PRTA
10 percent owner
100,000
0.1966%
$8.57$857,240+0.66%
2026-09-29PurchaseProthena Corporation plc
PRTA
10 percent owner
162,000
0.3058%
$8.68$1.41M-4.33%
2026-09-28PurchaseProthena Corporation plc
PRTA
10 percent owner
103,500
0.1957%
$8.60$889,872-3.5%
2026-09-02PurchaseProthena Corporation plc
PRTA
10 percent owner
27,000
0.0504%
$9.47$255,739-12.49%
2026-08-20PurchaseProthena Corporation plc
PRTA
10 percent owner
50,000
0.093%
$8.79$439,430-5.2%
2026-08-07PurchaseProthena Corporation plc
PRTA
10 percent owner
37,500
0.0708%
$8.62$323,220-0.46%
2026-06-16PurchaseProthena Corporation plc
PRTA
10 percent owner
20,000
0.0364%
$7.90$157,990+5.55%
2026-06-11PurchaseProthena Corporation plc
PRTA
10 percent owner
125,000
0.2362%
$8.17$1.02M+5.51%
2026-06-04PurchaseProthena Corporation plc
PRTA
10 percent owner
50,000
0.0961%
$9.31$465,295-5.95%
2026-06-02PurchaseProthena Corporation plc
PRTA
10 percent owner
50,000
0.098%
$9.43$471,300-5.22%
2026-05-22PurchaseProthena Corporation plc
PRTA
10 percent owner
100,000
0.1907%
$9.81$981,300-10.99%
2025-01-14PurchaseProthena Corporation plc
PRTA
10 percent owner
100,000
0.1889%
$12.79$1.28M-24.31%
2024-12-31PurchaseProthena Corporation plc
PRTA
10 percent owner
32,000
0.0565%
$13.01$416,393-29.78%
2024-12-20PurchaseProthena Corporation plc
PRTA
10 percent owner
2,000
0.0038%
$15.91$31,813-35.15%
Total: 21
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