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Insider Trading

Donald R. Maier - Insider Trading & Ownership

Location: C/O Armstrong World Industries, Inc., 2500 Columbia Avenue, Lancaster, PA
Summary: The estimated net worth of Donald R. Maier is at least $826K dollars as of November 4, 2025. Donald R. Maier is the Director of Quanex Building Products CORP and owns shares of Quanex Building Products CORP (NX) stock worth about $826K.
Signature: /s/ Paul B. Cornett, Power of Attorney
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Ownership of Donald R. Maier

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
NX	Quanex Building Products CORP	Director	$826K			Nov 3, 2025

Insider Transactions Reported by Donald R. Maier:

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.