{"schema_version":"secwatch.filing_event.v1","accession":"0000776867-23-000001","form_type":"8-K","ticker":"WTM","cik":"0000776867","company_name":"WHITE MOUNTAINS INSURANCE GROUP LTD","filed_at":"2023-02-07T23:59:59+00:00","discovered_at":"2026-05-14T18:03:48.070737+00:00","generated_at":"2026-06-19T23:25:05.194704+00:00","sec_items":["2.02","9.01"],"event_type":"earnings","sentiment":"positive","materiality_score":0.8,"calibrated_materiality_score":0.8,"confidence":"high","headline":"White Mountains Q4 ABVPS up 2% to $1,495; full-year ABVPS +26%","bullets":["Comprehensive income $40M in Q4, $788M for full year 2022, driven by NSM sale gain of $876M.","Ark GAAP combined ratio 59% in Q4, 82% full year; gross written premiums up 37% YoY to $1.45B.","BAM gross written premiums & MSC $38M in Q4, $147M for full year; claims-paying resources $1.42B.","Kudu adjusted EBITDA $9M in Q4, $42M full year (+27% YoY); deployed $713M across 20 firms.","Launched Outrigger Re with $205M capital; repurchased 4,076 shares for $5M in Q4."],"urls":{"canonical":"https://secwatch.observer/filing/0000776867-23-000001","json":"https://secwatch.observer/filing/0000776867-23-000001.json","markdown":"https://secwatch.observer/filing/0000776867-23-000001.md","text":"https://secwatch.observer/filing/0000776867-23-000001.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/776867/000077686723000001/0000776867-23-000001-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/776867/000077686723000001/wtm-20230207.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-19T23:25:05.194704+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":[{"claim_id":"7c61876150fe54045c076dbdd4b4bf7888d7b972","claim":"WHITE MOUNTAINS INSURANCE GROUP LTD reported financial results for the year ended December 31, 2022.","evidence_excerpt":"Comprehensive income (loss) attributable to common shareholders was $40 million and $788 million in the fourth quarter and year ended December 31, 2022 compared to $34 million and $(273) million in the fourth quarter and year ended December 31, 2021.","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/776867/000077686723000001/0000776867-23-000001-index.htm","confidence":0.7,"family_label":"Earnings Releases","details":[{"label":"Period","value":"the year ended December 31, 2022"},{"label":"Result","value":"reported results"}],"fact_type":"earnings_release"},{"claim_id":"d72ec3b51f24ad24a8323a331ca250086668485e","claim":"WHITE MOUNTAINS INSURANCE GROUP LTD reported financial results for the three months ended December 31, 2022.","evidence_excerpt":"Comprehensive income (loss) attributable to common shareholders was $40 million and $788 million in the fourth quarter and year ended December 31, 2022 compared to $34 million and $(273) million in the fourth quarter and year ended December 31, 2021.","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/776867/000077686723000001/0000776867-23-000001-index.htm","confidence":0.7,"family_label":"Earnings Releases","details":[{"label":"Period","value":"the three months ended December 31, 2022"},{"label":"Result","value":"reported results"}],"fact_type":"earnings_release"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}