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 |
2022-12-31 Sale |
2023-01-04 4:19 pm |
CAMBRIDGE BANCORP | CATC | Fontaine Thomas J Chief Banking Officer |
1,350 | $0 | $0 | 25,072 (Indirect Direct) |
View |
2020-06-01 Sale |
2020-06-02 1:33 pm |
Wellesley Bancorp Inc. | WEBK | Fontaine Thomas J President & CEO |
48,344 | $0 | $0 | 0 (Indirect 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 |
2022-12-31 Tax Withholding |
2023-01-04 4:19 pm |
N/A N/A |
CAMBRIDGE BANCORP | CATC | Fontaine Thomas J Chief Banking Officer |
194 | $0 | 25,072 (Direct) |
View |
2022-02-15 Option Award |
2022-02-17 6:13 pm |
N/A N/A |
CAMBRIDGE BANCORP | CATC | Fontaine Thomas J Chief Banking Officer |
1,276 | $0 | 30,256 (Direct) |
View |
2022-02-15 Tax Withholding |
2022-02-17 6:13 pm |
N/A N/A |
CAMBRIDGE BANCORP | CATC | Fontaine Thomas J Chief Banking Officer |
108 | $88.18 | 30,256 (Direct) |
View |
2021-03-17 Gift |
2021-03-17 4:10 pm |
N/A N/A |
CAMBRIDGE BANCORP | CATC | Fontaine Thomas J Chief Banking Officer |
29 | $0 | 29,138 (Indirect) |
View |
2021-02-15 Option Award |
2021-02-17 5:24 pm |
N/A N/A |
CAMBRIDGE BANCORP | CATC | Fontaine Thomas J Chief Banking Officer |
1,099 | $76.77 | 28,681 (Direct) |
View |
Ownership |
2020-06-09 6:21 pm |
N/A N/A |
CAMBRIDGE BANCORP | CATC | Fontaine Thomas J Chief Banking Officer |
0 | $0 | 27,582 (Direct) |
View |