InsiderTrades

Form 4 for WTM WHITE MOUNTAINS INSURANCE GROUP LTD

Accepted 2026-02-27 00:00:00 ET · period of report 2026-02-25 · accession 0000776867-26-000018 · 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
2026-02-27 2026-02-25 WTM Papamichael Michael A CFO A - Grant $0.00 +500 1,200 +71% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Shares (Restricted) 2026-02-25 A A 500 $0.00 1,200 D — — (F1) On February 25, 2026, the Reporting Person received a restricted share award of 500 Common Shares, which vests on January 1, 2029.