secwatch.observer — SEC 8-K summary ====================================== Issuer: WHITE MOUNTAINS INSURANCE GROUP LTD (WTM) CIK: 0000776867 Form: 8-K Filed at: 2021-10-12T23:59:59+00:00 Accession: 0000776867-21-000019 Event type: leadership Sentiment: positive Materiality: 0.50 Item codes: 5.02, 9.01 LLM model: deepseek-v4-flash:cloud@v2 White Mountains elects Suzanne Shank to board; board expands to eight members ----------------------------------------------------------------------------- - Effective October 10, 2021, board size increased from seven to eight directors. - Ms. Shank is President, CEO and co-founder of Siebert Williams Shank & Co., an investment banking firm. - She also serves on boards of CMS Energy, Rocket Companies, and several foundations. - CEO Manning Rountree said her investment banking and municipal finance experience will benefit owners. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/776867/000077686721000019/0000776867-21-000019-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/776867/000077686721000019/wtm-20211010.htm HTML page: https://secwatch.observer/filing/0000776867-21-000019 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer