Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001062993-25-010302
Filing Date
2025-05-23
Accepted
2025-05-23 19:12:17
Documents
1
Period of Report
2025-05-22

Document Format Files

Seq Description Document Type Size
1 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES form4.html 4  
1 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES form4.xml 4 3018
  Complete submission text file 0001062993-25-010302.txt   4846
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 (Issuer) CIK: 0000776867 (see all company filings)

EIN.: 942708455 | State of Incorp.: D0 | Fiscal Year End: 1231
SIC: 6331 Fire, Marine & Casualty Insurance
(CF Office: 02 Finance)

Mailing Address 700 SOUTH FLOWER STREET SUITE 640 LOS ANGELES CA 90017
Business Address
Yi Steven (Reporting) CIK: 0001829946 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-08993 | Film No.: 25983852