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WHITE MOUNTAINS INSURANCE GROUP LTD

For the period ended Nov 5, 2026. Filed Nov 5, 2026.

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About this filing

A notice of a major event between regular reports, such as results, a deal or a change of executives. It is often the first formal record of the news.

Nov 5, 2026 · Filed Nov 5, 2026

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WTM$2,241.12-2.3%Stored close · as of Nov 6, 2026
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EX-99.1 · Additional Information

Additional Information

White Mountains is a Bermuda-domiciled financial services holding company traded on the New York Stock Exchange under the symbol WTM and the Bermuda Stock Exchange under the symbol WTM.BH. Additional financial information and other items of interest are available at the Company’s website located at www.whitemountains.com. White Mountains expects to file its Form 10-Q today with the Securities and Exchange Commission and urges shareholders to refer to that document for more complete information concerning its financial results.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.