secwatch / observer
8-K filed May 21, 2026, 4:21 PM ET ticker WTM CIK 0000776867
other material confidence high sentiment neutral materiality 0.20

White Mountains director Steven Yi not re-elected; annual meeting votes approve compensation and auditor

WHITE MOUNTAINS INSURANCE GROUP LTD

Machine-readable event card

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0001628280-26-037284
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8-K
ticker
WTM
cik
0000776867
company_name
WHITE MOUNTAINS INSURANCE GROUP LTD
filed_at
2026-05-21T20:21:13+00:00
discovered_at
2026-05-21T20:22:00.490766+00:00
generated_at
2026-05-21T20:22:53.504649+00:00
sec_items
["5.02", "5.07", "9.01"]
event_type
other_material
sentiment
neutral
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0.2
calibrated_materiality_score
0.2
confidence
high
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https://secwatch.observer/filing/0001628280-26-037284.md
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edgar_index_url
https://www.sec.gov/Archives/edgar/data/776867/000162828026037284/0001628280-26-037284-index.htm
edgar_primary_document_url
https://www.sec.gov/Archives/edgar/data/776867/000162828026037284/wtm-20260521.htm
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Executive movements

Machine-extracted from this filing. Every card cites the SEC source. See all recent executive movements.

Departed

Steven M. Yi

Director
WTM · WHITE MOUNTAINS INSURANCE GROUP LTD
Effective
2026-05-21
Filed
May 21, 2026, 4:21 PM ET
Mr. Steven M. Yi did not stand for re-election in 2026 as a director of White Mountains Insurance Group, Ltd. (the “Company”) and completed his tenure as a member of the Board of Directors of the Company on May 21, 2026 at the conclusion of his term.

Source-grounded claims

2cec0f8bc0

Steven M. Yi departed as Director at WHITE MOUNTAINS INSURANCE GROUP LTD.

Mr. Steven M. Yi did not stand for re-election in 2026 as a director of White Mountains Insurance Group, Ltd. (the “Company”) and completed his tenure as a member of the Board of Directors of the Company on May 21, 2026 at the conclusion of his term.

SEC 8-K Item 5.02 confidence 0.95 SEC evidence

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same fact type: executive_change same SEC item: 5.02, 5.07, 9.01 same event type: other_material similar materiality

This filing

Mr. Steven M. Yi did not stand for re-election in 2026 as a director of White Mountains Insurance Group, Ltd. (the “Company”) and completed his tenure as a member of the Board of Directors of the Company on May 21, 2026 at the conclusion of his term.

Comparable filing

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same fact type: executive_change same SEC item: 5.02, 5.07 same event type: other_material similar materiality

This filing

Mr. Steven M. Yi did not stand for re-election in 2026 as a director of White Mountains Insurance Group, Ltd. (the “Company”) and completed his tenure as a member of the Board of Directors of the Company on May 21, 2026 at the conclusion of his term.

Comparable filing

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same fact type: executive_change same SEC item: 5.02, 9.01 same event type: other_material

This filing

Mr. Steven M. Yi did not stand for re-election in 2026 as a director of White Mountains Insurance Group, Ltd. (the “Company”) and completed his tenure as a member of the Board of Directors of the Company on May 21, 2026 at the conclusion of his term.

Comparable filing

John W. Heilshorn, Aaron Spool, Michael Faber, John Ziegelman and Jay Gettenberg (collectively, the “Directors”) were appointed to the board of directors of the Company (the “Board”).

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LIXT

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LIXTE BIOTECHNOLOGY HOLDINGS, INC. June 1, 2026, 8:55 AM ET other_material Items 5.02, 7.01, 9.01

same fact type: executive_change same SEC item: 5.02, 9.01 same event type: other_material

This filing

Mr. Steven M. Yi did not stand for re-election in 2026 as a director of White Mountains Insurance Group, Ltd. (the “Company”) and completed his tenure as a member of the Board of Directors of the Company on May 21, 2026 at the conclusion of his term.

Comparable filing

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ELOX

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same fact type: executive_change same SEC item: 5.02, 9.01 same event type: other_material

This filing

Mr. Steven M. Yi did not stand for re-election in 2026 as a director of White Mountains Insurance Group, Ltd. (the “Company”) and completed his tenure as a member of the Board of Directors of the Company on May 21, 2026 at the conclusion of his term.

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same fact type: executive_change same SEC item: 5.02, 9.01 same event type: other_material

This filing

Mr. Steven M. Yi did not stand for re-election in 2026 as a director of White Mountains Insurance Group, Ltd. (the “Company”) and completed his tenure as a member of the Board of Directors of the Company on May 21, 2026 at the conclusion of his term.

Comparable filing

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FXAC

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same fact type: executive_change same SEC item: 5.02, 9.01 same event type: other_material

This filing

Mr. Steven M. Yi did not stand for re-election in 2026 as a director of White Mountains Insurance Group, Ltd. (the “Company”) and completed his tenure as a member of the Board of Directors of the Company on May 21, 2026 at the conclusion of his term.

Comparable filing

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Filing page SEC filing

CRMT

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AMERICAS CARMART INC May 29, 2026, 5:30 PM ET other_material Items 1.01, 5.02, 8.01, 9.01

same fact type: executive_change same SEC item: 5.02, 9.01 same event type: other_material

This filing

Mr. Steven M. Yi did not stand for re-election in 2026 as a director of White Mountains Insurance Group, Ltd. (the “Company”) and completed his tenure as a member of the Board of Directors of the Company on May 21, 2026 at the conclusion of his term.

Comparable filing

On May 22, 2026, the Board increased the size of the Board from nine members to ten members and appointed Adam Paul as an independent director, effective immediately.

Filing page SEC filing

Source: SEC EDGAR
accession 0001628280-26-037284

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