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Filing Detail
Form 8-K/A - Current report: [Amend]
SEC Accession No. 0000776867-21-000005
Filing Date
2021-03-16
Accepted
2021-03-16 17:09:13
Documents
44
Period of Report
2021-01-01
Items
Item 2.01: Completion of Acquisition or Disposition of Assets
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K/A wtm-20210101.htm   iXBRL 8-K/A 411768
2 EX-99.2 wtm8-karkexhibit992.htm EX-99.2 94538
3 EX-99.3 wtm8-karkexhibit993.htm EX-99.3 6316
9 GRAPHIC wtm8-karkexhibit992001.jpg GRAPHIC 38408
10 GRAPHIC wtm8-karkexhibit992002.jpg GRAPHIC 176340
11 GRAPHIC wtm8-karkexhibit992003.jpg GRAPHIC 97145
12 GRAPHIC wtm8-karkexhibit992004.jpg GRAPHIC 71056
13 GRAPHIC wtm8-karkexhibit992005.jpg GRAPHIC 48079
14 GRAPHIC wtm8-karkexhibit992006.jpg GRAPHIC 82585
15 GRAPHIC wtm8-karkexhibit992007.jpg GRAPHIC 187970
16 GRAPHIC wtm8-karkexhibit992008.jpg GRAPHIC 194672
17 GRAPHIC wtm8-karkexhibit992009.jpg GRAPHIC 206990
18 GRAPHIC wtm8-karkexhibit992010.jpg GRAPHIC 184758
19 GRAPHIC wtm8-karkexhibit992011.jpg GRAPHIC 160781
20 GRAPHIC wtm8-karkexhibit992012.jpg GRAPHIC 206165
21 GRAPHIC wtm8-karkexhibit992013.jpg GRAPHIC 161027
22 GRAPHIC wtm8-karkexhibit992014.jpg GRAPHIC 138235
23 GRAPHIC wtm8-karkexhibit992015.jpg GRAPHIC 188572
24 GRAPHIC wtm8-karkexhibit992016.jpg GRAPHIC 96035
25 GRAPHIC wtm8-karkexhibit992017.jpg GRAPHIC 109030
26 GRAPHIC wtm8-karkexhibit992018.jpg GRAPHIC 110514
27 GRAPHIC wtm8-karkexhibit992019.jpg GRAPHIC 98249
28 GRAPHIC wtm8-karkexhibit992020.jpg GRAPHIC 166497
29 GRAPHIC wtm8-karkexhibit992021.jpg GRAPHIC 108238
30 GRAPHIC wtm8-karkexhibit992022.jpg GRAPHIC 171802
31 GRAPHIC wtm8-karkexhibit992023.jpg GRAPHIC 166156
32 GRAPHIC wtm8-karkexhibit992024.jpg GRAPHIC 109931
33 GRAPHIC wtm8-karkexhibit992025.jpg GRAPHIC 90698
34 GRAPHIC wtm8-karkexhibit992026.jpg GRAPHIC 138383
35 GRAPHIC wtm8-karkexhibit992027.jpg GRAPHIC 176059
36 GRAPHIC wtm8-karkexhibit992028.jpg GRAPHIC 133147
  Complete submission text file 0000776867-21-000005.txt   5981940

Data Files

Seq Description Document Type Size
4 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT wtm-20210101.xsd EX-101.SCH 2508
5 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT wtm-20210101_cal.xml EX-101.CAL 790
6 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT wtm-20210101_def.xml EX-101.DEF 1746
7 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT wtm-20210101_lab.xml EX-101.LAB 23970
8 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT wtm-20210101_pre.xml EX-101.PRE 12726
37 EXTRACTED XBRL INSTANCE DOCUMENT wtm-20210101_htm.xml XML 15082
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/A | Act: 34 | File No.: 001-08993 | Film No.: 21746872
SIC: 6331 Fire, Marine & Casualty Insurance