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 |
2021-03-23 Sale |
2021-03-25 08:52 am |
MediaAlpha Inc. | MAX | WHITE MOUNTAINS INSURANCE GROUP LTD 10% Owner |
3,592,204 | $46 | $165,241,384 | 16,939,998 (Indirect) |
View |
2021-02-09 Sale |
2021-02-11 5:46 pm |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | DAVIS MORGAN W Director |
1,500 | $1,133 | $1,699,923 | 8,404 (Indirect Direct) |
View |
2020-10-30 Sale |
2020-11-03 4:41 pm |
MediaAlpha Inc. | MAX | WHITE MOUNTAINS INSURANCE GROUP LTD 10% Owner |
3,609,894 | $19 | $68,587,986 | 20,532,202 (Indirect) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2021-06-18 Gift |
2021-06-21 4:00 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Hildreth Michaela Chief Accounting Officer |
65 | $0 | 2,849 (Direct) |
View |
2021-06-07 Gift |
2021-06-08 4:00 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | SEELIG ROBERT LAWRENCE EVP & General Counsel |
41 | $0 | 17,158 (Direct) |
View |
2021-05-27 Option Award |
2021-05-28 5:41 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Carlson Peter M Director |
225 | $0 | 763 (Direct) |
View |
2021-05-27 Option Award |
2021-05-28 4:16 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Dillon Margaret Director |
225 | $0 | 225 (Direct) |
View |
Ownership |
2021-05-28 4:15 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Dillon Margaret Director |
0 | $0 | 0 (Direct) |
View |
2021-05-27 Option Award |
2021-05-28 4:08 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Tanner David Allen Director |
225 | $0 | 1,388 (Direct) |
View |
2021-05-27 Option Award |
2021-05-28 4:06 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Gelston Philip A Director |
225 | $0 | 1,013 (Direct) |
View |
2021-05-27 Option Award |
2021-05-28 4:03 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | DAVIS MORGAN W Director |
315 | $0 | 8,719 (Indirect) |
View |
2021-05-27 Option Award |
2021-05-28 4:02 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | CHOKSI MARY C Director |
225 | $0 | 1,138 (Direct) |
View |
Ownership |
2021-05-20 1:59 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Hildreth Michaela Chief Accounting Officer |
0 | $0 | 2,914 (Direct) |
View |
2021-03-17 Gift |
2021-03-18 4:42 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | SEELIG ROBERT LAWRENCE EVP & General Counsel |
45 | $0 | 17,195 (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 |
2021-02-25 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 |
2021-02-25 Option Award |
2021-02-26 8:26 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | SEELIG ROBERT LAWRENCE EVP & General Counsel |
1,000 | $0 | 17,240 (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 |
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 |
2021-01-01 Tax Withholding |
2021-01-04 4:01 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | SEELIG ROBERT LAWRENCE EVP & General Counsel |
715 | $1,001 | 16,240 (Direct) |
View |
2021-01-01 Tax Withholding |
2021-01-04 4:00 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | PALMER JESS BRIAN Chief Accounting Officer |
229 | $1,001 | 3,064 (Direct) |
View |
2020-12-01 Gift |
2020-12-14 08:03 am |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | PALMER JESS BRIAN Chief Accounting Officer |
31 | $0 | 3,293 (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 |
2020-12-09 Gift |
2020-12-10 10:30 am |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | DAVIS MORGAN W Director |
100 | $0 | 9,904 (Indirect) |
View |
Ownership |
2020-10-28 1:49 pm |
N/A N/A |
MediaAlpha Inc. | MAX | WHITE MOUNTAINS INSURANCE GROUP LTD 10% Owner |
0 | $0 | 24,142,096 (Indirect) |
View |
2020-05-21 Option Award |
2020-05-22 4:07 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Tanner David Allen Director |
225 | $0 | 1,163 (Direct) |
View |
2020-05-21 Option Award |
2020-05-22 4:05 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | HOLIDAY EDITH E Director |
225 | $0 | 2,827 (Direct) |
View |
2020-05-21 Option Award |
2020-05-22 4:04 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Gelston Philip A Director |
225 | $0 | 788 (Direct) |
View |
2020-05-21 Option Award |
2020-05-22 4:03 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | CHOKSI MARY C Director |
225 | $0 | 913 (Direct) |
View |
2020-05-21 Option Award |
2020-05-22 4:01 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | Carlson Peter M Director |
225 | $0 | 538 (Direct) |
View |
2020-05-21 Option Award |
2020-05-22 4:00 pm |
N/A N/A |
WHITE MOUNTAINS INSURANCE GROUP LTD | WTM | DAVIS MORGAN W Director |
315 | $0 | 10,004 (Direct) |
View |