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 |
2023-06-16 Sale |
2023-06-16 4:00 pm |
Prometheus Biosciences Inc. | RXDX | Marshall Keith W Chief Financial Officer |
87,973 | $0 | $0 | 0 (Direct) |
View |
2023-04-05 Sale |
2023-04-07 9:02 pm |
Prometheus Biosciences Inc. | RXDX | Marshall Keith W Chief Financial Officer |
10,000 | $108.42 | $1,084,200 | 102,851 (Direct) |
View |
2023-03-06 Sale |
2023-03-08 9:33 pm |
Prometheus Biosciences Inc. | RXDX | Marshall Keith W Chief Financial Officer |
10,000 | $122.13 | $1,221,300 | 112,851 (Direct) |
View |
2023-02-15 Sale |
2023-02-17 9:34 pm |
Prometheus Biosciences Inc. | RXDX | Marshall Keith W Chief Financial Officer |
5,000 | $119.38 | $596,900 | 122,851 (Direct) |
View |
2023-01-17 Sale |
2023-01-19 8:42 pm |
Prometheus Biosciences Inc. | RXDX | Marshall Keith W Chief Financial Officer |
5,000 | $119 | $595,000 | 127,851 (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 |
2023-06-02 Exercise |
2023-06-02 7:03 pm |
N/A 2030-08-11 |
Prometheus Biosciences Inc. | RXDX | Marshall Keith W Chief Financial Officer |
78,162 | $0 | 140,811 (Direct) |
View |
2023-06-02 Exercise |
2023-06-02 7:03 pm |
N/A N/A |
Prometheus Biosciences Inc. | RXDX | Marshall Keith W Chief Financial Officer |
78,162 | $3.1 | 140,811 (Direct) |
View |
2023-04-05 Exercise |
2023-04-07 9:02 pm |
N/A N/A |
Prometheus Biosciences Inc. | RXDX | Marshall Keith W Chief Financial Officer |
10,000 | $3.7 | 102,851 (Direct) |
View |
2023-04-05 Exercise |
2023-04-07 9:02 pm |
N/A 2030-12-17 |
Prometheus Biosciences Inc. | RXDX | Marshall Keith W Chief Financial Officer |
10,000 | $0 | 102,851 (Direct) |
View |
2023-03-06 Exercise |
2023-03-08 9:33 pm |
N/A N/A |
Prometheus Biosciences Inc. | RXDX | Marshall Keith W Chief Financial Officer |
10,000 | $3.7 | 112,851 (Direct) |
View |
2023-03-06 Exercise |
2023-03-08 9:33 pm |
N/A 2030-12-17 |
Prometheus Biosciences Inc. | RXDX | Marshall Keith W Chief Financial Officer |
10,000 | $0 | 112,851 (Direct) |
View |
2023-02-15 Exercise |
2023-02-17 9:34 pm |
N/A N/A |
Prometheus Biosciences Inc. | RXDX | Marshall Keith W Chief Financial Officer |
5,000 | $3.7 | 122,851 (Direct) |
View |
2023-02-15 Exercise |
2023-02-17 9:34 pm |
N/A 2030-12-17 |
Prometheus Biosciences Inc. | RXDX | Marshall Keith W Chief Financial Officer |
5,000 | $0 | 122,851 (Direct) |
View |
2023-01-17 Exercise |
2023-01-19 8:42 pm |
N/A N/A |
Prometheus Biosciences Inc. | RXDX | Marshall Keith W Chief Financial Officer |
5,000 | $3.7 | 127,851 (Direct) |
View |
2023-01-17 Exercise |
2023-01-19 8:42 pm |
N/A 2030-12-17 |
Prometheus Biosciences Inc. | RXDX | Marshall Keith W Chief Financial Officer |
5,000 | $0 | 127,851 (Direct) |
View |
2022-12-16 Option Award |
2022-12-20 8:19 pm |
N/A 2032-12-15 |
Prometheus Biosciences Inc. | RXDX | Marshall Keith W Chief Financial Officer |
12,920 | $0 | 12,920 (Direct) |
View |
2022-12-09 Option Award |
2022-12-13 8:35 pm |
N/A 2032-12-08 |
Prometheus Biosciences Inc. | RXDX | Marshall Keith W Chief Financial Officer |
43,896 | $0 | 43,896 (Direct) |
View |
2022-05-20 Option Award |
2022-05-20 7:13 pm |
2025-05-20 2032-05-19 |
Prometheus Biosciences Inc. | RXDX | Marshall Keith W Chief Financial Officer |
86,582 | $0 | 86,582 (Direct) |
View |
2021-11-14 Option Award |
2021-11-16 9:08 pm |
N/A 2031-11-13 |
Prometheus Biosciences Inc. | RXDX | Marshall Keith W Chief Financial Officer |
102,155 | $0 | 102,155 (Direct) |
View |
Ownership |
2021-03-11 9:24 pm |
N/A 2030-08-11 |
Prometheus Biosciences Inc. | RXDX | Marshall Keith W Chief Financial Officer |
0 | $0 | 389,953 (Direct) |
View |
2020-05-22 Tax Withholding |
2020-05-27 06:09 am |
N/A N/A |
Histogen Inc. | HSTO | Marshall Keith W EVP, COO & CFO |
18,615 | $0.56 | 19,885 (Direct) |
View |
2020-05-22 Exercise |
2020-05-27 06:09 am |
N/A N/A |
Histogen Inc. | HSTO | Marshall Keith W EVP, COO & CFO |
38,500 | $0 | 19,885 (Direct) |
View |