Form4insider filings, from the source

Insider · CIK 0001538108

Stephen Klar

Files at: WTM, HEQ. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 26, 2026 AForm 4 →Aug 27, 3:46 pm EDTWHITE MOUNTAINS INSURANCE GROUP LTDWTM113——113—

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.