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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0000776867-20-000042
Filing Date
2020-12-21
Accepted
2020-12-21 08:29:42
Documents
14
Period of Report
2020-12-16
Items
Item 8.01: Other Events

Document Format Files

Seq Description Document Type Size
1 8-K wtm-20201216.htm   iXBRL 8-K 41820
  Complete submission text file 0000776867-20-000042.txt   188951

Data Files

Seq Description Document Type Size
2 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT wtm-20201216.xsd EX-101.SCH 2508
3 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT wtm-20201216_cal.xml EX-101.CAL 790
4 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT wtm-20201216_def.xml EX-101.DEF 1746
5 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT wtm-20201216_lab.xml EX-101.LAB 23970
6 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT wtm-20201216_pre.xml EX-101.PRE 12726
7 EXTRACTED XBRL INSTANCE DOCUMENT wtm-20201216_htm.xml XML 15080
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.: 201402490
SIC: 6331 Fire, Marine & Casualty Insurance