8-K//Current report
WHITE MOUNTAINS INSURANCE GROUP LTD 8-K
Accession 0000776867-25-000015
$WTMCIK 0000776867operating
Filed
Sep 1, 8:00 PM ET
Accepted
Sep 2, 8:19 AM ET
Size
243.9 KB
Accession
0000776867-25-000015
Documents
- 8-Kwtm-20250902.htmPrimary
8-K
- EX-99.1wtmex991-lcgmrpressrelease.htm
EX-99.1
- EX-101.SCHwtm-20250902.xsd
XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
- EX-101.LABwtm-20250902_lab.xml
XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
- EX-101.PREwtm-20250902_pre.xml
XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
- GRAPHICimage1.jpg
WTM
- XMLR1.htm
IDEA: XBRL DOCUMENT
- XMLShow.js
IDEA: XBRL DOCUMENT
- XMLreport.css
IDEA: XBRL DOCUMENT
- XMLFilingSummary.xml
IDEA: XBRL DOCUMENT
- JSONMetaLinks.json
IDEA: XBRL DOCUMENT
- ZIP0000776867-25-000015-xbrl.zip
IDEA: XBRL DOCUMENT
- XMLwtm-20250902_htm.xml
IDEA: XBRL DOCUMENT
Issuer
WHITE MOUNTAINS INSURANCE GROUP LTD
CIK 0000776867
Entity typeoperating
IncorporatedBermuda
Related Parties
1- filerCIK 0000776867
Filing Metadata
- Form type
- 8-K
- Filed
- Sep 1, 8:00 PM ET
- Accepted
- Sep 2, 8:19 AM ET
- Size
- 243.9 KB