secwatch.observer — SEC 8-K summary
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Issuer:     WHITE MOUNTAINS INSURANCE GROUP LTD (WTM)
CIK:        0000776867
Form:       8-K
Filed at:   2023-05-09T23:59:59+00:00
Accession:  0000776867-23-000005
Event type: earnings
Sentiment:  neutral
Materiality: 0.70
Item codes: 2.02, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

White Mountains Q1 ABVPS up 5% to $1,567; Ark combined ratio 94%, GWP up 28%
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- Comprehensive income attributable to common shareholders $180M vs $31M in Q1 2022.
- Ark gross written premiums $809M (+28% YoY); combined ratio 94% (vs 100% Q1 2022).
- Kudu adjusted EBITDA $11M; annualized adjusted EBITDA $37M; new deployment closed.
- MediaAlpha investment value $254M, up from $169M at year-end; $85M mark-to-market gain.
- Repurchased 18,623 shares for $25M at avg $1,360.30 (87% of ABVPS).

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/776867/000077686723000005/0000776867-23-000005-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/776867/000077686723000005/wtm-20230509.htm
  HTML page:      https://secwatch.observer/filing/0000776867-23-000005

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer