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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0000776867-20-000015
Filing Date
2020-04-09
Accepted
2020-04-08 18:49:15
Documents
19
Period of Report
2020-04-07
Items
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K wtm-20200407.htm   iXBRL 8-K 35322
2 EX-99.1 exhibit991covid-19letter.htm EX-99.1 8142
8 exhibit991covid-19letter001.jpg GRAPHIC 160106
9 exhibit991covid-19letter002.jpg GRAPHIC 173372
10 exhibit991covid-19letter003.jpg GRAPHIC 190863
11 exhibit991covid-19letter004.jpg GRAPHIC 57600
  Complete submission text file 0000776867-20-000015.txt   991357

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT wtm-20200407.xsd EX-101.SCH 2649
4 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT wtm-20200407_cal.xml EX-101.CAL 790
5 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT wtm-20200407_def.xml EX-101.DEF 1754
6 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT wtm-20200407_lab.xml EX-101.LAB 23970
7 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT wtm-20200407_pre.xml EX-101.PRE 12726
15 EXTRACTED XBRL INSTANCE DOCUMENT wtm-20200407_htm.xml XML 10580
Mailing Address 80 SOUTH MAIN STREET HANOVER NH 03755
Business Address 80 SOUTH MAIN ST 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.: 20782859
SIC: 6331 Fire, Marine & Casualty Insurance