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 |
2023-09-08 Sale |
2023-09-08 4:00 pm |
Surface Oncology Inc. | SURF | ROSS ROBERT W. Chief Executive Officer |
83,193 | $0 | $0 | 0 (Direct) |
View |
2023-08-01 Sale |
2023-08-11 8:00 pm |
Surface Oncology Inc. | SURF | ROSS ROBERT W. Chief Executive Officer |
16,713 | $0.94 | $15,710 | 83,193 (Direct) |
View |
2022-08-03 Sale |
2022-08-05 8:00 pm |
Surface Oncology Inc. | SURF | ROSS ROBERT W. Chief Executive Officer |
10,594 | $1.72 | $18,222 | 99,906 (Direct) |
View |
2021-07-21 Sale |
2022-01-14 8:30 pm |
Surface Oncology Inc. | SURF | ROSS ROBERT W. Chief Executive Officer |
33,500 | $6.1 | $204,350 | 54,500 (Direct) |
View |
2021-02-16 Sale |
2021-02-18 8:00 pm |
Surface Oncology Inc. | SURF | ROSS ROBERT W. Chief Medical Officer |
1,000 | $11.35 | $11,350 | 88,000 (Direct) |
View |
2021-01-14 Sale |
2021-01-15 8:00 pm |
Surface Oncology Inc. | SURF | ROSS ROBERT W. Chief Medical Officer |
9,000 | $12.02 | $108,150 | 89,000 (Direct) |
View |
2020-12-15 Sale |
2020-12-17 8:00 pm |
Surface Oncology Inc. | SURF | ROSS ROBERT W. Chief Medical Officer |
1,000 | $10.48 | $10,480 | 98,000 (Direct) |
View |
2020-12-11 Sale |
2020-12-15 8:00 pm |
Surface Oncology Inc. | SURF | ROSS ROBERT W. Chief Medical Officer |
1,405 | $10.05 | $14,120 | 99,000 (Direct) |
View |
2020-11-11 Sale |
2020-11-13 8:00 pm |
Surface Oncology Inc. | SURF | ROSS ROBERT W. Chief Medical Officer |
595 | $10.05 | $5,980 | 100,405 (Direct) |
View |
2020-10-14 Sale |
2020-10-16 8:02 pm |
Surface Oncology Inc. | SURF | ROSS ROBERT W. Chief Medical Officer |
4,000 | $10.05 | $40,200 | 101,000 (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 |
2024-06-14 Option Award |
2024-06-17 4:30 pm |
N/A 2034-06-13 |
Xilio Therapeutics Inc. | XLO | ROSS ROBERT W. Director |
25,000 | $0 | 25,000 (Direct) |
View |
2023-06-12 Option Award |
2023-06-13 4:30 pm |
N/A 2033-06-11 |
Xilio Therapeutics Inc. | XLO | ROSS ROBERT W. Director |
13,200 | $0 | 13,200 (Direct) |
View |
2023-03-01 Option Award |
2023-03-03 8:00 pm |
N/A 2033-03-01 |
Surface Oncology Inc. | SURF | ROSS ROBERT W. Chief Executive Officer |
400,000 | $0 | 400,000 (Direct) |
View |
2022-06-15 Option Award |
2022-06-17 4:08 pm |
N/A 2032-06-14 |
Xilio Therapeutics Inc. | XLO | ROSS ROBERT W. Director |
26,400 | $0 | 26,400 (Direct) |
View |
2022-03-01 Option Award |
2022-03-03 8:00 pm |
N/A 2032-03-01 |
Surface Oncology Inc. | SURF | ROSS ROBERT W. Chief Executive Officer |
415,000 | $0 | 469,500 (Direct) |
View |
2021-02-12 Option Award(A) |
2021-03-11 8:00 pm |
N/A 2031-02-12 |
Surface Oncology Inc. | SURF | ROSS ROBERT W. Chief Medical Officer |
484,280 | $0 | 484,280 (Direct) |
View |
2021-02-12 Option Award |
2021-03-03 8:18 pm |
N/A 2031-02-12 |
Surface Oncology Inc. | SURF | ROSS ROBERT W. Chief Medical Officer |
484,280 | $0 | 484,280 (Direct) |
View |