Info
Insider Ownership

Insider Trading & Ownership of John David Williams

Location: Toledo, OH
Summary: The estimated net worth of John David Williams is at least $6,613,205 dollars as of 23 Jan 2026. John David Williams is the Director of Owens Corning and owns shares of Owens Corning (OC) stock worth about $6.61M.
Signature: /s/ Katherine M. Serevitch, Attorney-in-Fact
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Ownership of John David Williams

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
OC	Owens Corning	Director	$6,613,205			21 Jan 2026
UFS	Domtar CORP	President and CEO, Director				30 Nov 2021

Insider Transactions Reported by John David Williams:

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.