SCULLY WILLIAM P

Track

Insider profile

Performance

Overall performance
2.5
Performance over holding periods
2.5
30 days 90 days 120 days
Average return 3% 8.2% 15.1%
Success rate 73% 68% 82%
Transactions
18 100% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
SCULLY WILLIAM P's trades of Prothena Corporation PLC's stock


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Transaction date
Purchase
Price
13.39
Quantity 800 +0.1%
Value US$10,715
Transaction date
Purchase
Price
13.37
Quantity 1,200 +0.2%
Value US$16,038
Transaction date
Purchase
Price
15.91
Quantity 2,000 +0.3%
Value US$31,813
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-10-26 2026-10-23
B Purchase
91,530 -36.6%
43.49
US$114,085 		91,530 -36.6% 43.49 US$114,085
2026-10-26 2026-10-22
B Purchase
15,514 -29.3%
138.12
US$4,009,572 		15,514 -29.3% 138.12 US$4,009,572
2026-10-15 2026-10-14
B Purchase
54,791 -12.5%
86.25
US$1,246,891 		54,791 -12.5% 86.25 US$1,246,891
2026-10-15 2026-10-13
B Purchase
100,000 +10.8%
8.35
US$835,480 		100,000 +10.8% 8.35 US$835,480
2026-10-09 2026-10-08
B Purchase
90,000 +20.5%
8.57
US$770,904 		90,000 +20.5% 8.57 US$770,904
2026-10-09 2026-10-07
B Purchase
125,000 +39.8%
8.40
US$1,050,150 		125,000 +39.8% 8.40 US$1,050,150
2026-10-06 2026-10-02
B Purchase
100,000 +46.7%
8.57
US$857,240 		100,000 +46.7% 8.57 US$857,240
2026-09-30 2026-09-29
B Purchase
162,000 +311.5%
8.68
US$1,405,674 		162,000 +311.5% 8.68 US$1,405,674
2026-09-29 2026-09-28
B Purchase
103,500 +124.0%
8.60
US$889,872 		103,500 +124.0% 8.60 US$889,872
2026-09-21 2026-09-18
B Purchase
100,000 +12.1%
8.43
US$843,460 		100,000 +12.1% 8.43 US$843,460
2026-09-03 2026-09-02
B Purchase
27,000 +3.4%
9.47
US$255,739 		27,000 +3.4% 9.47 US$255,739
2026-08-21 2026-08-20
B Purchase
50,000 +6.7%
8.79
US$439,430 		50,000 +6.7% 8.79 US$439,430
2026-08-10 2026-08-07
B Purchase
3,500 +4.4%
8.62
US$30,167 		3,500 +4.4% 8.62 US$30,167
2026-08-10 2026-08-07
B Purchase
34,000 +4.5%
8.62
US$293,053 		34,000 +4.5% 8.62 US$293,053
2026-06-18 2026-06-16
B Purchase
20,000 +2.7%
7.90
US$157,990 		20,000 +2.7% 7.90 US$157,990
2026-06-12 2026-06-11
B Purchase
125,000 +13.4%
8.17
US$1,021,225 		125,000 +13.4% 8.17 US$1,021,225
2026-06-05 2026-06-04
B Purchase
50,000 +5.6%
9.31
US$465,295 		50,000 +5.6% 9.31 US$465,295
2026-06-03 2026-06-02
B Purchase
50,000 +6.0%
9.43
US$471,300 		50,000 +6.0% 9.43 US$471,300
2026-05-26 2026-05-22
B Purchase
100,000 +13.6%
9.81
US$981,300 		100,000 +13.6% 9.81 US$981,300
2025-05-02 2025-01-14
B Purchase
100,000 +15.7%
12.79
US$1,279,040 		100,000 +15.7% 12.79 US$1,279,040
2025-05-02 2024-12-31
B Purchase
30,000 +4.8%
12.99
US$389,640 		30,000 +4.8% 12.99 US$389,640
2025-05-02 2024-12-31
B Purchase
800 +0.1%
13.39
US$10,715 		800 +0.1% 13.39 US$10,715
2025-05-02 2024-12-31
B Purchase
1,200 +0.2%
13.37
US$16,038 		1,200 +0.2% 13.37 US$16,038
2025-05-02 2024-12-20
B Purchase
2,000 +0.3%
15.91
US$31,813 		2,000 +0.3% 15.91 US$31,813
2025-05-02 2024-12-18
B Purchase
73,436 +6.0%
13.93
US$1,022,670 		73,436 +6.0% 13.93 US$1,022,670