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 |
2023-06-30 Purchase | 2023-06-30 08:13 am | MediaAlpha Inc. | MAX | WHITE MOUNTAINS INSURANCE GROUP LTD WM Hinson (Bermuda) Ltd. Director 10% Owner | 5,916,816 | $10 | $59,168,160 | 22,856,814 (Indirect) | View |
2022-12-22 Sale | 2022-12-27 2:48 pm | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Hildreth Michaela MD & Chief Accounting Officer | 100 | $1371.84 | $137,184 | 3,225 (Indirect Direct) | View |
2022-09-20 Sale | 2022-09-22 7:02 pm | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Carlson Peter M Director | 200 | $1400 | $280,000 | 788 (Direct) | View |
2022-09-20 Sale | 2022-09-22 6:59 pm | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | DAVIS MORGAN W Director | 945 | $1400 | $1,323,000 | 7,939 (Indirect Direct) | View |
2022-05-31 Sale | 2022-06-01 09:22 am | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Hildreth Michaela MD & Chief Accounting Officer | 100 | $1270.94 | $127,094 | 3,325 (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 |
2023-05-25 Option Award | 2023-05-30 11:15 am | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Carlson Peter M Director | 180 | $0 | 968 (Direct) | View |
2023-05-25 Option Award | 2023-05-26 5:28 pm | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Dillon Margaret Director | 180 | $0 | 630 (Direct) | View |
2023-05-25 Option Award | 2023-05-26 4:47 pm | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Tanner David Allen Director | 180 | $0 | 1,793 (Direct) | View |
2023-05-25 Option Award | 2023-05-26 4:45 pm | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | SHANK SUZANNE F. Director | 180 | $0 | 556 (Direct) | View |
2023-05-25 Option Award | 2023-05-26 4:35 pm | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Gelston Philip A Director | 180 | $0 | 1,418 (Direct) | View |
2023-05-25 Option Award | 2023-05-26 4:29 pm | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | CHOKSI MARY C Director | 180 | $0 | 1,543 (Direct) | View |
2023-05-25 Option Award | 2023-05-26 4:27 pm | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Hicks Weston M Director | 250 | $0 | 1,306 (Direct) | View |
2023-05-25 Option Award | 2023-05-26 4:24 pm | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Yi Steven Director | 180 | $0 | 210 (Direct) | View |
Ownership | 2023-05-26 4:22 pm | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Yi Steven Director | 0 | $0 | 30 (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 |
2023-02-22 Option Award | 2023-02-24 09:01 am | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Caffrey Liam P EVP& Chief Financial Officer | 1,250 | $0 | 2,500 (Direct) | View |
2023-02-22 Option Award | 2023-02-24 09:00 am | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | SEELIG ROBERT LAWRENCE EVP & General Counsel | 1,000 | $0 | 19,778 (Direct) | View |
2023-02-22 Option Award | 2023-02-24 09:00 am | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Hildreth Michaela MD & Chief Accounting Officer | 600 | $0 | 3,596 (Direct) | View |
2023-02-22 Option Award | 2023-02-23 09:06 am | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Hicks Weston M Director | 56 | $0 | 1,056 (Direct) | View |
Ownership | 2023-02-23 09:03 am | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Hicks Weston M Director | 0 | $0 | 1,000 (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 | $1414.33 | 21,057 (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 | $1414.33 | 16,008 (Direct) | View |
2023-01-01 Tax Withholding | 2023-01-03 2:13 pm | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | SEELIG ROBERT LAWRENCE EVP & General Counsel | 359 | $1414.33 | 18,778 (Direct) | View |
2023-01-01 Tax Withholding | 2023-01-03 2:11 pm | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Hildreth Michaela MD & Chief Accounting Officer | 176 | $1414.33 | 2,996 (Direct) | View |
2022-12-28 Gift | 2022-12-29 09:26 am | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | DAVIS MORGAN W Director | 200 | $0 | 7,739 (Direct) | View |
2022-12-28 Gift | 2022-12-29 09:25 am | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Hildreth Michaela MD & Chief Accounting Officer | 53 | $0 | 3,172 (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 |
2022-05-26 Option Award | 2022-05-27 1:03 pm | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | DAVIS MORGAN W Director | 315 | $0 | 8,884 (Direct) | View |
2022-05-26 Option Award | 2022-05-27 1:01 pm | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Dillon Margaret Director | 225 | $0 | 450 (Direct) | View |
2022-05-26 Option Award | 2022-05-27 12:58 pm | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Gelston Philip A Director | 225 | $0 | 1,238 (Direct) | View |
2022-05-26 Option Award | 2022-05-27 12:54 pm | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Carlson Peter M Director | 225 | $0 | 988 (Direct) | View |
2022-05-26 Option Award | 2022-05-27 12:38 pm | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | CHOKSI MARY C Director | 225 | $0 | 1,363 (Direct) | View |
2022-05-26 Option Award | 2022-05-27 12:36 pm | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Tanner David Allen Director | 225 | $0 | 1,613 (Direct) | View |
2022-05-26 Option Award | 2022-05-27 12:31 pm | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | SHANK SUZANNE F. Director | 225 | $0 | 376 (Direct) | View |
2022-05-16 Gift | 2022-05-17 4:27 pm | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | SEELIG ROBERT LAWRENCE EVP & General Counsel | 25 | $0 | 19,137 (Direct) | View |
Ownership | 2022-03-07 2:30 pm | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Caffrey Liam P EVP & Chief Financial Officer | 0 | $0 | 1,250 (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 |
2022-02-25 Option Award | 2022-02-28 1:19 pm | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | SEELIG ROBERT LAWRENCE EVP & General Counsel | 2,000 | $0 | 16,008 (Direct) | View |
2022-02-25 Option Award | 2022-02-28 1:13 pm | N/A N/A | WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Hildreth Michaela MD & Chief Accounting Officer | 750 | $0 | 3,421 (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 | $1013.9 | 19,421 (Direct) | View |