Insider Trading & Ownership of Brian Chambers

Location: Toledo, OH
Summary: The estimated net worth of Brian Chambers is at least $40,815,564 dollars as of 17 Dec 2025. Brian Chambers is the Chair, President and CEO, Director of Owens Corning and owns shares of Owens Corning (OC) stock worth about $39,956,774. Brian Chambers is the Director of LINCOLN ELECTRIC HOLDINGS INC and owns shares of LINCOLN ELECTRIC HOLDINGS INC (LECO) stock worth about $858,790.
Signature: /s/ Katherine M. Serevitch, Attorney-in-Fact
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Ownership of Brian Chambers

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
OC	Owens Corning	Chair, President and CEO, Director	$39,956,774			15 Dec 2025
LECO	LINCOLN ELECTRIC HOLDINGS INC	Director	$858,790			10 Dec 2025

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.