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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0000776867-23-000008
Filing Date
2023-05-25
Accepted
2023-05-25 16:40:24
Documents
14
Period of Report
2023-05-25
Items
Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K wtm-20230525.htm   iXBRL 8-K 33390
2 EX-99.1 newchairmanofwhitemountains.htm EX-99.1 5504
6 image1.jpg GRAPHIC 65797
  Complete submission text file 0000776867-23-000008.txt   268027

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT wtm-20230525.xsd EX-101.SCH 1989
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT wtm-20230525_lab.xml EX-101.LAB 23832
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT wtm-20230525_pre.xml EX-101.PRE 12588
8 EXTRACTED XBRL INSTANCE DOCUMENT wtm-20230525_htm.xml XML 10709
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)

IRS No.: 942708455 | State of Incorp.: D0 | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 001-08993 | Film No.: 23961445
SIC: 6331 Fire, Marine & Casualty Insurance