SCULLY WILLIAM P 13D and 13G filings for Prothena Corporation plc:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime |
Transaction Date |
Type | Company Symbol |
Filed By Symbol |
Shares Owned % Owned |
Shares Vs. Prev Report | View |
| 2025-02-21 2:49 pm Purchase |
2024-12-31 | 13G | Prothena Corporation plc PRTA |
SCULLY WILLIAM P | 5,558,290 10.300% |
1,522,150 (+37.71%) |
Filing |
| 2024-11-13 06:06 am Purchase |
2024-09-30 | 13G | Prothena Corporation plc PRTA |
SCULLY WILLIAM P | 4,036,140 7.500% |
533,659 (+15.24%) |
Filing |
| 2024-02-14 10:51 am Purchase |
2024-02-05 | 13G | Prothena Corporation plc PRTA |
SCULLY WILLIAM P | 3,502,481 6.530% |
1,039,481 (+42.20%) |
Filing |
| 2023-02-14 2:32 pm Sale |
2022-12-31 | 13G | Prothena Corporation plc PRTA |
SCULLY WILLIAM P | 2,463,000 4.820% |
-67,500 (-2.67%) |
Filing |
| 2022-06-27 12:01 pm Purchase |
2022-05-24 | 13G | Prothena Corporation plc PRTA |
SCULLY WILLIAM P | 2,530,500 5.410% |
2,530,500 (New Position) |
Filing |