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 |
| 2025-12-19 Sale | 2025-12-22 10:13 am | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Rountree George Manning Chief Executive Officer | 5,000 | $2,050 | $10,250,000 | 19,356 (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 |
| 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 |