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>>

Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2024-05-23 Option Award |
2024-05-24 12:13 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | CAMPBELL REID TARLTON Director |
165 | $0 | 15,459 (Direct) |
View |
2024-03-21 Gift |
2024-03-21 11:36 am |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | CAMPBELL REID TARLTON Director |
55 | $0 | 15,294 (Direct) |
View |
2024-02-22 Option Award |
2024-02-23 9:26 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | CAMPBELL REID TARLTON Director |
45 | $0 | 15,346 (Direct) |
View |
2024-01-01 Tax Withholding |
2024-01-02 12:00 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | CAMPBELL REID TARLTON President |
710 | $1,505 | 15,301 (Direct) |
View |
2023-01-01 Tax Withholding |
2023-01-03 2:13 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | CAMPBELL REID TARLTON President |
710 | $1,414 | 16,008 (Direct) |
View |
2022-06-01 Gift |
2022-06-02 11:06 am |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | CAMPBELL REID TARLTON President |
100 | $0 | 16,718 (Direct) |
View |
2022-01-01 Tax Withholding |
2022-01-04 8:59 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | CAMPBELL REID TARLTON EVP & Chief Financial Officer |
800 | $1,014 | 16,814 (Direct) |
View |
2021-02-25 Option Award |
2021-02-26 8:28 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | CAMPBELL REID TARLTON EVP & Chief Financial Officer |
1,800 | $0 | 17,610 (Direct) |
View |
2021-01-01 Tax Withholding |
2021-01-04 4:02 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | CAMPBELL REID TARLTON EVP & Chief Financial Officer |
930 | $1,001 | 15,810 (Direct) |
View |
2020-12-08 Gift |
2020-12-10 9:51 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | CAMPBELL REID TARLTON EVP & Chief Financial Officer |
30 | $0 | 16,740 (Direct) |
View |