| Date Filed | Type | Description |
| 08/10/2023 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 08/07/2023 |
10-Q
| Quarterly Report for the period ended June 30, 2023 |
| 08/07/2023 |
8-K
| Quarterly results |
| 06/30/2023 |
SC 13D
| WHITE MOUNTAINS INSURANCE GROUP LTD reports a 49.9% stake in MEDIAALPHA, INC. |
| 06/30/2023 |
4
| WHITE MOUNTAINS INSURANCE GROUP LTD (10% Owner) has filed a Form 4 on MediaAlpha, Inc.|
Txns:
| Bought 5,916,816 shares
@ $10, valued at
$59.2M
|
|
| 06/30/2023 |
SC TO-T/A
| Form SC TO-T/A - Tender offer statement by Third Party: [Amend] |
| 06/08/2023 |
SC 13G/A
| River Road Asset Management, LLC reports a 4.9% stake in White Mountains Insurance Group, Ltd. |
| 05/26/2023 |
4
| Dillon Margaret (Director) has filed a Form 4 on WHITE MOUNTAINS INSURANCE GROUP LTD|
Txns:
| Granted 180 shares
@ $0 |
|
| 05/26/2023 |
4
| Tanner David Allen (Director) has filed a Form 4 on WHITE MOUNTAINS INSURANCE GROUP LTD|
Txns:
| Granted 180 shares
@ $0 |
|
| 05/26/2023 |
4
| SHANK SUZANNE F. (Director) has filed a Form 4 on WHITE MOUNTAINS INSURANCE GROUP LTD|
Txns:
| Granted 180 shares
@ $0 |
|
| 05/26/2023 |
4
| Gelston Philip A (Director) has filed a Form 4 on WHITE MOUNTAINS INSURANCE GROUP LTD|
Txns:
| Granted 180 shares
@ $0 |
|
| 05/26/2023 |
4
| CHOKSI MARY C (Director) has filed a Form 4 on WHITE MOUNTAINS INSURANCE GROUP LTD|
Txns:
| Granted 180 shares
@ $0 |
|
| 05/26/2023 |
4
| Hicks Weston M (Director) has filed a Form 4 on WHITE MOUNTAINS INSURANCE GROUP LTD|
Txns:
| Granted 250 shares
@ $0 |
|
| 05/26/2023 |
4
| Yi Steven (Director) has filed a Form 4 on WHITE MOUNTAINS INSURANCE GROUP LTD|
Txns:
| Granted 180 shares
@ $0 |
|
| 05/26/2023 |
3
| Yi Steven (Director) has filed a Form 3 on WHITE MOUNTAINS INSURANCE GROUP LTD |
| 05/26/2023 |
SC TO-T
| Form SC TO-T - Tender offer statement by Third Party: |
| 05/25/2023 |
8-K
| Submission of Matters to a Vote of Security Holders Interactive Data |
| 05/25/2023 |
8-K
| Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements... |
| 05/11/2023 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 05/10/2023 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
| 05/09/2023 |
10-Q
| Quarterly Report for the period ended March 31, 2023 |
| 05/09/2023 |
8-K
| Quarterly results |
| 04/06/2023 |
DEFR14A
| Form DEFR14A - Revised definitive proxy soliciting materials: |
| 04/05/2023 |
ARS
| Form ARS - Annual Report to Security Holders: |
| 04/05/2023 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements: |
| 03/10/2023 |
SC 13G/A
| VANGUARD GROUP INC reports a 10% stake in White Mountains Insurance Group Ltd. |
| 02/24/2023 |
4
| Rountree George Manning (CEO) has filed a Form 4 on WHITE MOUNTAINS INSURANCE GROUP LTD|
Txns:
| Granted 2,000 shares
@ $0 |
|
| 02/24/2023 |
4
| Caffrey Liam P (EVP& CFO) has filed a Form 4 on WHITE MOUNTAINS INSURANCE GROUP LTD|
Txns:
| Granted 1,250 shares
@ $0 |
|
| 02/24/2023 |
4
| SEELIG ROBERT LAWRENCE (EVP & General Counsel) has filed a Form 4 on WHITE MOUNTAINS INSURANCE GROUP LTD|
Txns:
| Granted 1,000 shares
@ $0 |
|
| 02/24/2023 |
4
| Hildreth Michaela (MD & Chief Accounting Officer) has filed a Form 4 on WHITE MOUNTAINS INSURANCE GROUP LTD|
Txns:
| Granted 600 shares
@ $0 |
|
| 02/23/2023 |
4
| Hicks Weston M (Director) has filed a Form 4 on WHITE MOUNTAINS INSURANCE GROUP LTD|
Txns:
| Granted 56 shares
@ $0 |
|
| 02/23/2023 |
3
| Hicks Weston M (Director) has filed a Form 3 on WHITE MOUNTAINS INSURANCE GROUP LTD |
| 02/23/2023 |
8-K
| Appointed a new director |
| 02/14/2023 |
SC 13G
| FULLER & THALER ASSET MANAGEMENT, INC. reports a 6% stake in White Mountains Insurance Group Ltd |
|