# Filing Detail

Form 11-K - Annual report of employee stock purchase, savings and similar plans:
SEC Accession No. 0000776867-25-000010
Filing Date
2025-07-07
Accepted
2025-07-07 16:06:02
Documents
4
Period of Report
2024-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 11-K | wtm11-kjuly2025.htm | 11-K | 13626
2 |  | image1a.jpg | GRAPHIC | 219895
3 |  | image2a.jpg | GRAPHIC | 178366
4 |  | imagea.jpg | GRAPHIC | 1061281
| Complete submission text file | 0000776867-25-000010.txt |  | 2025966

Mailing Address 23 SOUTH MAIN STREET SUITE 3B HANOVER NH 03755
Business Address 23 SOUTH MAIN STREET SUITE 3B HANOVER NH 03755 603 640 2200
WHITE MOUNTAINS INSURANCE GROUP LTD (Filer) CIK: 0000776867 (see all company filings)

EIN.: 942708455 | State of Incorp.: D0 | Fiscal Year End: 1231
Type: 11-K | Act: 34 | File No.: 001-08993 | Film No.: 251108030
SIC: 6331 Fire, Marine & Casualty Insurance
(CF Office: 02 Finance)