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
What is insider trading>>
- Peter Lynch
What is insider trading>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 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 | T. Rowe Price 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 LLC | 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 | T. Rowe Price 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 LLC | 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 |