Vachris Roland Michael - 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, Vachris Roland Michael's relationship to COSTCO WHOLESALE CORP /NEW (COST) is Director,Officer (President and CEO), and currently has 54,910.86 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.

Vachris Roland Michael - Insider Non-Derivative Transactions of COST Common Stock

Vachris Roland Michael - Insider Non-Derivative Transactions at COST

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Oct 23, 2025	F -- (Common Stock)	1159.75	944.68	52258.06
Oct 23, 2025	F -- (Common Stock)	1493.05	944.68	53417.81
Oct 23, 2025	Acquisition -- (Common Stock)	13834	0	54910.86
Mar 12, 2025	Sell -- (Common Stock)	3600	931	41076.86
Oct 23, 2024	F -- (Common Stock)	1730.86	893.49	44676.86
Oct 23, 2024	Acquisition -- (Common Stock)	19147.56	0	46407.73
Sep 16, 2023	F -- (Common Stock)	5490.84	556.36	27260.16
Sep 16, 2023	Acquisition -- (Common Stock)	14639	0	32751
Mar 7, 2023	Sell -- (Common Stock)	4100	476.29	18112