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Insider Trading Tracker

WTM

WHITE MOUNTAINS INSURANCE GROUP LTD
Buys$00 txns
Sells$20.8M4 txns
Net-$20.8M

Insiders

InsiderRoleHoldingsBuy $Sell $Net $
Reid Tarlton CampbellDirector10,575$10,250,000-$10,250,000
George Manning RountreeChief Executive Officer, Director13,809$10,250,000-$10,250,000
Philip A GelstonDirector1,703$338,004-$338,004

Transaction History

DateInsiderSideSharesPriceValueHoldings After% of Position
2025-12-19Reid Tarlton CampbellSELL5,000$2,050.00$10,250,00010,44032%
2025-12-19George Manning RountreeSELL5,000$2,050.00$10,250,00013,80927%
2025-12-16Philip A GelstonSELL165$2,048.51$338,0041,56810%