InsiderTrades

Form 4 for WTM WHITE MOUNTAINS INSURANCE GROUP LTD

Accepted 2025-12-23 00:00:00 ET · period of report 2025-12-23 · accession 0000776867-25-000034 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2025-12-23 2025-12-23 WTM Hildreth Michaela CAO, MD G - Gift $0.00 -60 2,165 -3% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Shares 2025-12-23 G D 60 $0.00 2,165 D — —