William Richard Wilcox - Insider Trading & Ownership

Location: 999 Lake Drive, Issaquah, WA
Summary: The estimated net worth of William Richard Wilcox is at least $4.07M dollars as of October 9, 2025. William Richard Wilcox is the Executive Vice President of COSTCO WHOLESALE CORP /NEW and owns shares of COSTCO WHOLESALE CORP /NEW (COST) stock worth about $4.07M.
Signature: /s/ Alejandro Torres, Attorney-in-Fact
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Ownership of William Richard Wilcox

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
COST	COSTCO WHOLESALE CORP /NEW	Executive Vice President	$4.07M			Oct 6, 2025