secwatch.observer — SEC 8-K summary ====================================== Issuer: WHITE MOUNTAINS INSURANCE GROUP LTD (WTM) CIK: 0000776867 Form: 8-K Filed at: 2025-11-06T23:59:59+00:00 Accession: 0001628280-25-049888 Event type: earnings Sentiment: positive Materiality: 0.85 Item codes: 2.02, 9.01 LLM model: deepseek-v4-flash:cloud@v2 White Mountains Q3 BVPS $1,851 (+3%); sells 77% of Bamboo to CVC for ~$325/share boost -------------------------------------------------------------------------------- - Book value per share $1,851, up 3% in Q3 and 6% YTD including dividends; pro-forma BVPS $2,176 after Bamboo sale. - Ark combined ratio 76% in Q3 (vs 79% prior year); gross written premiums $2.3B YTD, up 18%. - Bamboo sale to CVC: White Mountains sells ~77% stake; expected Q4 close adds ~$325 to BVPS. - Kudu pre-tax income $44M, adjusted EBITDA $15M; trailing 12-month ROE 9%. - Distinguished acquired for $224M cash on Sep 2; contributed $1M ScaleCo adjusted EBITDA in stub period. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/776867/000162828025049888/0001628280-25-049888-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/776867/000162828025049888/wtm-20251106.htm HTML page: https://secwatch.observer/filing/0001628280-25-049888 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer