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 |
2025-03-04 Sale |
2025-03-05 4:49 pm |
Mural Oncology plc | MURA | Keson-Brookes Maiken See Remarks |
2,731 | $3.4084 | $9,308 | 138,564 (Direct) |
View |
2024-12-23 Sale |
2024-12-26 4:02 pm |
Mural Oncology plc | MURA | Keson-Brookes Maiken See Remarks |
2,555 | $3.27 | $8,355 | 41,295 (Direct) |
View |
2024-07-18 Sale |
2024-07-18 4:04 pm |
Mural Oncology plc | MURA | Keson-Brookes Maiken See Remarks |
2,157 | $3.41 | $7,355 | 43,850 (Direct) |
View |
2022-02-01 Sale |
2022-02-01 9:19 pm |
Rubius Therapeutics Inc. | RUBY | Keson-Brookes Maiken CLO & Corp. Secretary |
2,732 | $6.573 | $17,957 | 207,818 (Direct) |
View |
2021-03-15 Sale |
2021-03-15 8:28 pm |
Rubius Therapeutics Inc. | RUBY | Keson-Brookes Maiken CLO & Corp. Secretary |
25,000 | $20.24 | $505,965 | 225,000 (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 |
2025-03-03 Option Award |
2025-03-05 4:49 pm |
N/A 2035-03-02 |
Mural Oncology plc | MURA | Keson-Brookes Maiken See Remarks |
100,000 | $0 | 138,564 (Direct) |
View |
2024-03-01 Option Award |
2024-03-04 5:18 pm |
N/A 2034-02-28 |
Mural Oncology plc | MURA | Keson-Brookes Maiken See Remarks |
48,000 | $0 | 77,207 (Direct) |
View |
2023-12-14 Option Award |
2023-12-18 4:30 pm |
N/A 2033-12-13 |
Mural Oncology plc | MURA | Keson-Brookes Maiken See Remarks |
83,449 | $0 | 83,449 (Direct) |
View |
2022-01-29 Exercise |
2022-02-01 9:19 pm |
N/A N/A |
Rubius Therapeutics Inc. | RUBY | Keson-Brookes Maiken CLO & Corp. Secretary |
8,075 | $0 | 207,818 (Direct) |
View |
2022-01-31 Option Award |
2022-02-01 9:19 pm |
N/A 2032-01-30 |
Rubius Therapeutics Inc. | RUBY | Keson-Brookes Maiken CLO & Corp. Secretary |
178,250 | $0 | 207,818 (Direct) |
View |
2021-03-15 Exercise |
2021-03-15 8:28 pm |
N/A N/A |
Rubius Therapeutics Inc. | RUBY | Keson-Brookes Maiken CLO & Corp. Secretary |
25,000 | $7.7 | 225,000 (Direct) |
View |
2021-03-15 Exercise |
2021-03-15 8:28 pm |
N/A 2029-11-28 |
Rubius Therapeutics Inc. | RUBY | Keson-Brookes Maiken CLO & Corp. Secretary |
25,000 | $0 | 225,000 (Direct) |
View |
2021-01-29 Option Award |
2021-02-02 8:27 pm |
N/A 2031-01-28 |
Rubius Therapeutics Inc. | RUBY | Keson-Brookes Maiken CLO & Corp. Secretary |
174,800 | $0 | 174,800 (Direct) |
View |