Insider Trading & Ownership of WILLIAM H. ARMSTRONG III

Location: Austin, TX
Summary: The estimated net worth of WILLIAM H. ARMSTRONG III is at least $18,303,619 dollars as of 23 Feb 2026. WILLIAM H. ARMSTRONG III is the Chair of Board, President, CEO, Director of STRATUS PROPERTIES INC and owns shares of STRATUS PROPERTIES INC (STRS) stock worth about $18.3M.
Signature: Kelly C. Simoneaux, on behalf of William H. Armstrong III pursuant to a power of attorney
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Ownership of WILLIAM H. ARMSTRONG III

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
STRS	STRATUS PROPERTIES INC	Chair of Board, President, CEO, Director	$18,303,619			19 Feb 2026

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.