WHITE MOUNTAINS INSURANCE GROUP LTD
SEC Filing List

WTM         CIK: 0000776867

Form Description Owner/Filer Filing Agent Date Actions
3Initial statement of beneficial ownershi...Chu JohnWhite Mountains Insurance Group Ltd05/22/2026
4Statement of changes in beneficial owner...Hicks Weston MWhite Mountains Insurance Group Ltd05/22/2026
4Statement of changes in beneficial owner...Chu JohnWhite Mountains Insurance Group Ltd05/22/2026
4Statement of changes in beneficial owner...Carlson Peter MWhite Mountains Insurance Group Ltd05/22/2026
4Statement of changes in beneficial owner...Gelston Philip AWhite Mountains Insurance Group Ltd05/22/2026
4Statement of changes in beneficial owner...Shank Suzanne F.White Mountains Insurance Group Ltd05/22/2026
4Statement of changes in beneficial owner...Choksi Mary CWhite Mountains Insurance Group Ltd05/22/2026
4Statement of changes in beneficial owner...Dillon MargaretWhite Mountains Insurance Group Ltd05/22/2026
4Statement of changes in beneficial owner...Campbell Reid TarltonWhite Mountains Insurance Group Ltd05/22/2026
4Statement of changes in beneficial owner...Tanner David AllenWhite Mountains Insurance Group Ltd05/22/2026
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