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 |
| 2021-09-16 Sale | 2021-09-20 5:02 pm | Magenta Therapeutics Inc. | MGTA | Mahoney Stephen F. See Remarks | 5,736 | $6.73 | $38,603 | 14,264 (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 |
| 2023-10-30 Option Award | 2023-11-01 4:35 pm | N/A 2033-10-30 | Viridian Therapeutics Inc. | VRDN | Mahoney Stephen F. President and CEO | 1,259,400 | $0 | 1,259,400 (Direct) | View |
| 2022-11-30 Option Award | 2022-12-02 4:23 pm | N/A N/A | Magenta Therapeutics Inc. | MGTA | Mahoney Stephen F. See Remarks | 3,000 | $0.94 | 17,264 (Direct) | View |
| 2022-08-01 Option Award | 2022-08-01 9:11 pm | N/A 2032-07-31 | Magenta Therapeutics Inc. | MGTA | Mahoney Stephen F. See Remarks | 130,000 | $0 | 130,000 (Direct) | View |
| 2022-05-17 Option Award | 2022-05-19 4:19 pm | N/A 2032-05-16 | Magenta Therapeutics Inc. | MGTA | Mahoney Stephen F. See Remarks | 62,500 | $0 | 62,500 (Direct) | View |
| 2022-02-15 Option Award | 2022-02-17 5:16 pm | N/A 2032-02-14 | Magenta Therapeutics Inc. | MGTA | Mahoney Stephen F. See Remarks | 130,000 | $0 | 130,000 (Direct) | View |
| 2021-09-14 Option Award | 2021-09-16 7:41 pm | N/A N/A | Magenta Therapeutics Inc. | MGTA | Mahoney Stephen F. See Remarks | 20,000 | $0 | 20,000 (Direct) | View |
| 2020-11-02 Option Award | 2020-11-04 4:39 pm | N/A 2030-11-01 | Magenta Therapeutics Inc. | MGTA | Mahoney Stephen F. See Remarks | 435,000 | $0 | 435,000 (Direct) | View |
| 2019-09-17 Option Award | 2019-09-19 4:18 pm | N/A 2029-09-16 | Kiniksa Pharmaceuticals Ltd. | KNSA | Mahoney Stephen F. President & COO | 82,000 | $0 | 82,000 (Direct) | View |