Info
Insider Ownership

Insider Trading & Ownership of David Allen Tanner

Location: New York, NY
Summary: The estimated net worth of David Allen Tanner is at least $3.52M dollars as of November 10, 2025. David Allen Tanner is the Director of WHITE MOUNTAINS INSURANCE GROUP LTD and owns shares of WHITE MOUNTAINS INSURANCE GROUP LTD (WTM) stock worth about $3.52M.
Signature: Wesley C. Bell, by Power of Attorney
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Ownership of David Allen Tanner

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
WTM	WHITE MOUNTAINS INSURANCE GROUP LTD	Director	$3.52M			Nov 10, 2025

Insider Transactions Reported by David Allen Tanner:

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.