Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- 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>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2023-09-27 Sale | 2023-09-27 8:35 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 5,000 | $47.38 | $236,885 | 90,000 (Direct) | View |
| 2023-08-30 Sale | 2023-08-30 7:24 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 5,000 | $55.01 | $275,066 | 95,000 (Direct) | View |
| 2023-07-26 Sale | 2023-07-26 7:45 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 5,000 | $62.33 | $311,638 | 100,000 (Direct) | View |
| 2023-06-28 Sale | 2023-06-28 8:45 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 5,000 | $69.82 | $349,118 | 105,000 (Direct) | View |
| 2023-05-31 Sale | 2023-05-31 9:30 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 5,000 | $64.64 | $323,223 | 110,000 (Direct) | View |
| 2023-04-26 Sale | 2023-04-28 9:30 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 5,000 | $53.46 | $267,292 | 115,000 (Direct) | View |
| 2023-03-29 Sale | 2023-03-31 9:31 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 5,000 | $49.02 | $245,123 | 120,000 (Direct) | View |
| 2023-03-15 Sale | 2023-03-17 9:31 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 15,000 | $48.44 | $726,592 | 125,000 (Direct) | View |
| 2022-11-30 Sale | 2022-12-02 9:30 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 5,000 | $62.28 | $311,376 | 140,000 (Direct) | View |
| 2022-10-26 Sale | 2022-10-28 9:30 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 85,000 | $60.71 | $5,160,151 | 310,000 (Direct) | View |
| 2021-11-19 Sale | 2021-11-19 9:32 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J See Remarks | 10,000 | $55 | $550,000 | 230,000 (Direct) | View |
| 2021-10-27 Sale | 2021-10-29 5:00 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J See Remarks | 10,000 | $58.52 | $585,250 | 240,000 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2024-02-27 Option Award | 2024-02-29 9:06 pm | N/A 2034-02-27 | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 85,000 | $0 | 85,000 (Direct) | View |
| 2023-09-27 Exercise | 2023-09-27 8:35 pm | N/A 2029-07-01 | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 5,000 | $0 | 90,000 (Direct) | View |
| 2023-09-27 Exercise | 2023-09-27 8:35 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 5,000 | $10.27 | 90,000 (Direct) | View |
| 2023-08-30 Exercise | 2023-08-30 7:24 pm | N/A 2029-07-01 | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 5,000 | $0 | 95,000 (Direct) | View |
| 2023-08-30 Exercise | 2023-08-30 7:24 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 5,000 | $10.27 | 95,000 (Direct) | View |
| 2023-07-26 Exercise | 2023-07-26 7:45 pm | N/A 2029-07-01 | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 5,000 | $0 | 100,000 (Direct) | View |
| 2023-07-26 Exercise | 2023-07-26 7:45 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 5,000 | $10.27 | 100,000 (Direct) | View |
| 2023-06-28 Exercise | 2023-06-28 8:45 pm | N/A 2029-07-01 | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 5,000 | $0 | 105,000 (Direct) | View |
| 2023-06-28 Exercise | 2023-06-28 8:45 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 5,000 | $10.27 | 105,000 (Direct) | View |
| 2023-05-31 Exercise | 2023-05-31 9:30 pm | N/A 2029-07-01 | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 5,000 | $0 | 110,000 (Direct) | View |
| 2023-05-31 Exercise | 2023-05-31 9:30 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 5,000 | $10.27 | 110,000 (Direct) | View |
| 2023-04-26 Exercise | 2023-04-28 9:30 pm | N/A 2029-07-01 | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 5,000 | $0 | 115,000 (Direct) | View |
| 2023-04-26 Exercise | 2023-04-28 9:30 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 5,000 | $10.27 | 115,000 (Direct) | View |
| 2023-03-29 Exercise | 2023-03-31 9:31 pm | N/A 2029-07-01 | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 5,000 | $0 | 120,000 (Direct) | View |
| 2023-03-29 Exercise | 2023-03-31 9:31 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 5,000 | $10.27 | 120,000 (Direct) | View |
| 2023-03-15 Exercise | 2023-03-17 9:31 pm | N/A 2029-07-01 | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 15,000 | $0 | 125,000 (Direct) | View |
| 2023-03-15 Exercise | 2023-03-17 9:31 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 15,000 | $10.27 | 125,000 (Direct) | View |
| 2023-03-02 Option Award | 2023-03-03 9:31 pm | N/A 2033-03-02 | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 48,000 | $0 | 48,000 (Direct) | View |
| 2022-11-30 Exercise | 2022-12-02 9:30 pm | N/A 2029-07-01 | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 5,000 | $0 | 140,000 (Direct) | View |
| 2022-11-30 Exercise | 2022-12-02 9:30 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 5,000 | $10.27 | 140,000 (Direct) | View |
| 2022-10-26 Exercise | 2022-10-28 9:30 pm | N/A 2029-07-01 | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 85,000 | $0 | 310,000 (Direct) | View |
| 2022-10-26 Exercise | 2022-10-28 9:30 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 85,000 | $10.27 | 310,000 (Direct) | View |
| 2022-02-23 Option Award | 2022-02-25 9:30 pm | N/A 2032-02-23 | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 85,000 | $0 | 85,000 (Direct) | View |
| 2021-11-19 Exercise | 2021-11-19 9:32 pm | N/A 2029-07-01 | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J See Remarks | 10,000 | $0 | 230,000 (Direct) | View |
| 2021-11-19 Exercise | 2021-11-19 9:32 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J See Remarks | 10,000 | $10.27 | 230,000 (Direct) | View |
| 2021-10-27 Exercise | 2021-10-29 5:00 pm | N/A 2029-07-01 | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J See Remarks | 10,000 | $0 | 240,000 (Direct) | View |
| 2021-10-27 Exercise | 2021-10-29 5:00 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J See Remarks | 10,000 | $10.27 | 240,000 (Direct) | View |
| 2021-02-25 Option Award | 2021-02-26 5:11 pm | N/A 2031-02-25 | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J See Remarks | 56,000 | $0 | 56,000 (Direct) | View |
| 2020-02-25 Option Award | 2020-02-27 5:19 pm | N/A 2030-02-25 | Prothena Corp plc | PRTA | Malecek Michael J See Remarks | 70,000 | $0 | 70,000 (Direct) | View |
| 2019-07-01 Option Award | 2019-07-03 2:10 pm | N/A 2029-07-01 | Prothena Corp plc | PRTA | Malecek Michael J See Remarks | 250,000 | $0 | 250,000 (Direct) | View |