Info
Insider Ownership

Insider Trading & Ownership of Giles E. Harrison

Location: Hanover, NH
Summary: The estimated net worth of Giles E. Harrison is at least $4,078 dollars as of 27 Feb 2026. Giles E. Harrison is the President of WHITE MOUNTAINS INSURANCE GROUP LTD and owns shares of WHITE MOUNTAINS INSURANCE GROUP LTD (WTM) stock worth about $4.1K.
Signature: Wesley C. Bell, by Power of Attorney
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Ownership of Giles E. Harrison

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
WTM	WHITE MOUNTAINS INSURANCE GROUP LTD	President	$4,078			25 Feb 2026

Insider Transactions Reported by Giles E. Harrison:

Sym	Company	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.