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NYSE: WTM WHITE MOUNTAINS INSURANCE GROUP LTD 8-K

White Mountains furnishes routine investor presentation for annual meeting

Filed June 5, 2026 · Period ending June 5, 2026 · ~1 min read

2 key changes 2 sections

Key Changes

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    White Mountains provided presentation materials that executives will use at the company's Annual Investor Information Meeting on June 5, 2026, in compliance with Regulation FD fair disclosure rules.

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    The presentation was furnished as Exhibit 99.1 but no specific content details were disclosed in the filing itself.

Summary

White Mountains Insurance Group filed a routine 8-K to furnish investor presentation materials ahead of its Annual Investor Information Meeting on June 5, 2026. This is a standard Regulation FD disclosure ensuring all investors have equal access to materials that company executives will present at the meeting. The filing itself does not reveal the content of the presentation or announce any material corporate developments.

For retail investors, this is purely procedural with no immediate investment implications. The actual presentation materials (Exhibit 99.1) would need to be reviewed separately to understand what business updates or strategic information management shared with attendees. Watch for any subsequent filings or press releases that might highlight material information from the presentation itself.

Section-by-Section Diff

Event · Item 7.01 — Regulation FD Disclosure

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Item 7.01 — Regulation FD Disclosure filed; see Key Changes for terms.

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Added Annual Investor Meeting Presentation low

Added in current filing · verify on EDGAR →

The Registrant’s executive officers will use the presentation furnished as Exhibit 99.1 to this Current Report on Form 8-K, in whole or in part, at the Registrant’s Annual Investor Information Meeting to be held on June 5, 2026.

White Mountains disclosed that it is furnishing a presentation (Exhibit 99.1) that executive officers will use at the company's Annual Investor Information Meeting on June 5, 2026. This is a routine Regulation FD disclosure to ensure all investors have equal access to materials being presented at the meeting.

Event · Item 9.01 — Financial Statements and Exhibits

~100 words

Item 9.01 — Financial Statements and Exhibits filed; see Key Changes for terms.

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Added in current filing · verify on EDGAR →

99.1 Investor Presentation dated June 5, 2026.

The company furnished an investor presentation dated June 5, 2026 as Exhibit 99.1. The 8-K does not disclose the content or subject matter of the presentation, only that it was made available to investors on this date.

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Figures/quotes linked to EDGAR · Narrative written by AI · Jun 8, 2026 · How we verify