secwatch.observer — SEC 8-K summary
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Issuer:     WHITE MOUNTAINS INSURANCE GROUP LTD (WTM)
CIK:        0000776867
Form:       8-K
Filed at:   2022-12-21T23:59:59+00:00
Accession:  0000776867-22-000017
Event type: other_material
Sentiment:  positive
Materiality: 0.70
Item codes: 8.01
LLM model:  deepseek-v4-flash:cloud@v2

White Mountains leads $250M reinsurance sidecar Outrigger Re for Ark
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- Outrigger Re Ltd. formed as a Bermuda special purpose insurer with $250M total capital.
- White Mountains contributes $205M; Aquiline Capital and Enstar (ESGR) join as investors.
- Sidecar provides quota-share reinsurance on Ark Bermuda's global property catastrophe portfolio.
- Coverage effective January 1, 2023, capitalizing on hard property cat reinsurance market.
- TigerRisk acted as structuring agent; Sidley Austin and Conyers Dill provided legal counsel.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/776867/000077686722000017/0000776867-22-000017-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/776867/000077686722000017/wtm-20221221.htm
  HTML page:      https://secwatch.observer/filing/0000776867-22-000017

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