JAMES HAMILTON E - Insider Non-Derivative Transactions at COSTCO WHOLESALE CORP /NEW (COST) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Oct 22, 2025, JAMES HAMILTON E's relationship to COSTCO WHOLESALE CORP /NEW (COST) is Director, and currently has 55,537.94 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other COST insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

JAMES HAMILTON E - Insider Non-Derivative Transactions of COST Common Stock

JAMES HAMILTON E - Insider Non-Derivative Transactions at COST

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Date	Transaction	No. of Shares	Shares Owned After Transactions
Oct 23, 2025	Acquisition -- (Common Stock)	286	55537.94
Oct 23, 2024	Acquisition -- (Common Stock)	303	55251.94
Jan 13, 2024	Acquisition -- (Common Stock)	18.94	54948.94
Oct 23, 2023	Acquisition -- (Common Stock)	489	54930
Jan 8, 2022	P -- (Common Stock)	461	461
Dec 29, 2018	Sell -- (Common Stock)	186	230
Dec 29, 2018	Sell -- (Common Stock)	183	230
Sep 28, 2018	P -- (Common Stock)	413	413
Sep 28, 2018	P -- (Common Stock)	416	416