Margaret Dillon insider trades

Open-market stock purchases and sales by Margaret Dillon, Director at White Mountains Insurance Group Ltd, from SEC Form 4 filings since Sep 6, 2019.

Track record: 100% of 1 scored buy are up 5% or more since purchase, averaging +101%.

Recent trades

DateStockTradeValue
May 21, 2026WTM White Mountains Insurance Group LtdBought (not open market)—
Dec 15, 2025GWRE Guidewire Software, IncBought (not open market)—

Companies traded

  • WTM White Mountains Insurance Group Ltd: other filings, last May 21, 2026
  • GWRE Guidewire Software, Inc: 1 buy, last Dec 15, 2025

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