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 |
2025-02-26 Option Award |
2025-02-28 09:33 am |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Rountree George Manning Chief Executive Officer |
1,625 | $0 | 24,354 (Direct) |
View |
2025-01-01 Tax Withholding |
2025-01-03 09:23 am |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Rountree George Manning Chief Executive Officer |
1,067 | $1,945 | 22,729 (Direct) |
View |
2024-02-22 Option Award |
2024-02-23 9:28 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Rountree George Manning Chief Executive Officer |
1,800 | $0 | 23,793 (Direct) |
View |
2024-01-01 Tax Withholding |
2024-01-02 12:01 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Rountree George Manning Chief Executive Officer |
1,068 | $1,505 | 21,993 (Direct) |
View |
2023-02-22 Option Award |
2023-02-24 09:01 am |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Rountree George Manning Chief Executive Officer |
2,000 | $0 | 23,057 (Direct) |
View |
2023-01-01 Tax Withholding |
2023-01-03 2:14 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Rountree George Manning Chief Executive Officer |
1,068 | $1,414 | 21,057 (Direct) |
View |
2022-02-25 Option Award |
2022-02-28 1:24 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Rountree George Manning Chief Executive Officer |
2,700 | $0 | 22,121 (Direct) |
View |
2022-01-01 Tax Withholding |
2022-01-04 8:59 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Rountree George Manning Chief Executive Officer |
1,187 | $1,014 | 19,421 (Direct) |
View |
2021-02-25 Option Award |
2021-02-26 8:29 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Rountree George Manning Chief Executive Officer |
2,700 | $0 | 20,605 (Direct) |
View |
2021-01-01 Tax Withholding |
2021-01-04 4:03 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Rountree George Manning Chief Executive Officer |
1,187 | $1,001 | 17,905 (Direct) |
View |