{"schema_version":"secwatch.filing_event.v1","accession":"0000776867-22-000010","form_type":"8-K","ticker":"WTM","cik":"0000776867","company_name":"WHITE MOUNTAINS INSURANCE GROUP LTD","filed_at":"2022-06-10T23:59:59+00:00","discovered_at":"2026-05-14T18:04:03.643925+00:00","generated_at":"2026-06-25T02:58:20.376177+00:00","sec_items":["7.01","9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"low","headline":"White Mountains files 8-K for annual investor presentation; no financial data disclosed","bullets":["Filing references a presentation to be used at the June 10, 2022 annual investor meeting.","No specific financial results, guidance, or operational updates are included in the 8-K.","The presentation is furnished as Exhibit 99.1 but not incorporated by reference."],"urls":{"canonical":"https://secwatch.observer/filing/0000776867-22-000010","json":"https://secwatch.observer/filing/0000776867-22-000010.json","markdown":"https://secwatch.observer/filing/0000776867-22-000010.md","text":"https://secwatch.observer/filing/0000776867-22-000010.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/776867/000077686722000010/0000776867-22-000010-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/776867/000077686722000010/wtm-20220610.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-25T02:58:20.376177+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}