Insider Trading & Ownership of WILLIAM J. SANDBROOK

Location: Houston, TX
Summary: The estimated net worth of WILLIAM J. SANDBROOK is at least $9,090,629 dollars as of 10 Sep 2025. WILLIAM J. SANDBROOK is the Director of COMFORT SYSTEMS USA INC and owns shares of COMFORT SYSTEMS USA INC (FIX) stock worth about $8.56M. WILLIAM J. SANDBROOK is the Director of Knife River Corp and owns shares of Knife River Corp (KNF) stock worth about $532.9K.
Signature: /s/ Rachel R. Eslicker, Attorney-in-Fact
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Ownership of WILLIAM J. SANDBROOK

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
FIX	COMFORT SYSTEMS USA INC	Director	$8,557,691	-$1,565,531	-15%	09 Sep 2025
KNF	Knife River Corp	Director	$532,938			22 May 2025
ZPTA	Zapata Computing Holdings Inc.	10%+ Owner				18 Jul 2024

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.