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 are not 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
What is insider trading>>
- Peter Lynch
What is insider trading>>
| Reported DateTime | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | Filing |
| 2023-03-10 09:30 am Purchase | 13G | Prothena Corporation plc PRTA | FMR LLC | 5,264,847 10.015% | 1,317,575 (+33.38%) | View |
| 2023-02-14 4:19 pm Purchase | 13G | Prothena Corporation plc PRTA | Avidity Partners Management LP | 2,953,000 5.7% | 2,953,000 (New Position) | View |
| 2023-02-14 2:32 pm Sale | 13G | Prothena Corporation plc PRTA | SCULLY WILLIAM P | 2,463,000 4.82% | -67,500 (-2.67%) | View |
| 2023-02-14 12:38 pm Purchase | 13G | Prothena Corporation plc PRTA | PRICE T ROWE ASSOCIATES INC | 3,205,903 6.3% | 198,392 (+6.60%) | View |
| 2023-02-09 12:31 pm Purchase | 13G | Prothena Corporation plc PRTA | FMR LLC | 3,947,272 7.719% | 1,305,531 (+49.42%) | View |
| 2023-01-31 5:52 pm Sale | 13G | Prothena Corporation plc PRTA | BlackRock Inc. BLK | 3,485,068 6.8% | -387,232 (-10.00%) | View |
| 2022-08-10 2:56 pm Sale | 13G | Prothena Corporation plc PRTA | PRICE T ROWE ASSOCIATES INC | 3,007,511 6.4% | -2,941,350 (-49.44%) | View |
| 2022-06-27 12:01 pm Purchase | 13G | Prothena Corporation plc PRTA | SCULLY WILLIAM P | 2,530,500 5.41% | 2,530,500 (New Position) | View |
| 2022-03-01 4:32 pm Sale | 13G | Prothena Corporation plc PRTA | First Light Asset Management LLC | 1,805,038 3.87% | -1,124,302 (-38.38%) | View |
| 2022-02-14 2:34 pm Purchase | 13G | Prothena Corporation plc PRTA | PRICE T ROWE ASSOCIATES INC | 5,948,861 12.7% | 775,253 (+14.98%) | View |
| 2022-02-09 10:24 am Purchase | 13G | Prothena Corporation plc PRTA | FMR LLC | 2,641,741 5.669% | 1,159,380 (+78.21%) | View |
| 2022-02-03 4:41 pm Purchase | 13G | Prothena Corporation plc PRTA | BlackRock Inc. BLK | 3,872,300 8.3% | 179,330 (+4.86%) | View |
| 2022-01-13 6:45 pm Purchase | 13D | Prothena Corporation plc PRTA | EcoR1 Capital LLC | 11,584,280 24.9% | 2,157,640 (+22.89%) | View |
| 2021-06-10 12:44 pm Purchase | 13G | Prothena Corporation plc PRTA | PRICE T ROWE ASSOCIATES INC | 5,173,608 11.7% | 3,656,970 (+241.12%) | View |
| 2021-02-17 8:14 pm Purchase | 13D | Prothena Corporation plc PRTA | EcoR1 Capital Fund L.P. | 10,309,980 25.7% | 10,309,980 (New Position) | View |
| 2021-02-16 4:44 pm Purchase | 13G | Prothena Corporation plc PRTA | First Light Asset Management LLC | 2,929,340 7.34% | 2,929,340 (New Position) | View |
| 2021-02-16 4:13 pm Sale | 13G | Prothena Corporation plc PRTA | GREAT POINT PARTNERS LLC | 977,647 2.45% | -1,123,294 (-53.47%) | View |
| 2021-02-12 5:07 pm Sale | 13G | Prothena Corporation plc PRTA | ORBIMED ADVISORS LLC | 1,485,458 3.72% | -802,981 (-35.09%) | View |
| 2021-02-08 10:31 am Sale | 13G | Prothena Corporation plc PRTA | FMR LLC | 1,482,361 3.713% | -1,844,988 (-55.45%) | View |
| 2021-01-29 5:21 pm Purchase | 13G | Prothena Corporation plc PRTA | BlackRock Inc. BLK | 3,692,970 9.3% | 268,207 (+7.83%) | View |