Real time Form 13D and 13G transaction reports:
- 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.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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- Peter Lynch
What is insider trading>>
| Reported DateTime |
Transaction Date |
Type | Company Symbol |
Filed By Symbol |
Shares Owned % Owned |
Shares Vs. Prev Report | View |
| 2023-02-14 12:38 pm Purchase |
2022-12-31 | 13G | Prothena Corporation plc PRTA |
PRICE T ROWE ASSOCIATES INC | 3,205,903 6.300% |
198,392 (+6.60%) |
Filing History |
| 2023-02-09 12:31 pm Purchase |
2023-02-09 | 13G | Prothena Corporation plc PRTA |
FMR CORP | 3,947,272 7.719% |
1,305,531 (+49.42%) |
Filing History |
| 2023-01-31 5:52 pm Sale |
2022-12-31 | 13G | Prothena Corporation plc PRTA |
BLACKROCK INC BLK |
3,485,068 6.800% |
-387,232 (-10.00%) |
Filing |
| 2022-08-10 2:56 pm Sale |
2022-07-31 | 13G | Prothena Corporation plc PRTA |
PRICE T ROWE ASSOCIATES INC | 3,007,511 6.400% |
-2,941,350 (-49.44%) |
Filing History |
| 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 History |
| 2022-03-01 4:32 pm Sale |
2022-02-28 | 13G | Prothena Corporation plc PRTA |
First Light Asset Management, LLC | 1,805,038 3.870% |
-1,124,302 (-38.38%) |
Filing History |
| 2022-02-14 2:34 pm Purchase |
2021-12-31 | 13G | Prothena Corporation plc PRTA |
PRICE T ROWE ASSOCIATES INC | 5,948,861 12.700% |
775,253 (+14.98%) |
Filing History |
| 2022-02-09 10:24 am Purchase |
2022-02-08 | 13G | Prothena Corporation plc PRTA |
FMR CORP | 2,641,741 5.669% |
1,159,380 (+78.21%) |
Filing History |
| 2022-02-03 4:41 pm Purchase |
2021-12-31 | 13G | Prothena Corporation plc PRTA |
BLACKROCK INC BLK |
3,872,300 8.300% |
179,330 (+4.86%) |
Filing |
| 2022-01-13 6:45 pm Purchase |
2022-01-12 | 13D | Prothena Corporation plc PRTA |
EcoR1 Capital LLC | 11,584,280 24.900% |
2,157,640 (+22.89%) |
Filing History |
| 2021-06-10 12:44 pm Purchase |
2021-05-31 | 13G | Prothena Corporation plc PRTA |
PRICE T ROWE ASSOCIATES INC | 5,173,608 11.700% |
3,656,970 (+241.12%) |
Filing History |
| 2021-02-17 8:14 pm Purchase |
2021-02-12 | 13D | Prothena Corporation plc PRTA |
EcoR1 Capital Fund L.P. | 10,309,980 25.700% |
10,309,980 (New Position) |
Filing History |
| 2021-02-16 4:44 pm Purchase |
2020-12-31 | 13G | Prothena Corporation plc PRTA |
First Light Asset Management, LLC | 2,929,340 7.340% |
2,929,340 (New Position) |
Filing History |
| 2021-02-16 4:13 pm Sale |
2020-12-31 | 13G | Prothena Corporation plc PRTA |
GREAT POINT PARTNERS LLC | 977,647 2.450% |
-1,123,294 (-53.47%) |
Filing History |
| 2021-02-12 5:07 pm Sale |
2020-12-31 | 13G | Prothena Corporation plc PRTA |
ORBIMED ADVISORS LLC | 1,485,458 3.720% |
-802,981 (-35.09%) |
Filing History |
| 2021-02-08 10:31 am Sale |
2021-02-05 | 13G | Prothena Corporation plc PRTA |
FMR CORP | 1,482,361 3.713% |
-1,844,988 (-55.45%) |
Filing History |
| 2021-01-29 5:21 pm Purchase |
2020-12-31 | 13G | Prothena Corporation plc PRTA |
BLACKROCK INC BLK |
3,692,970 9.300% |
268,207 (+7.83%) |
Filing |