Costco Wholesale Corp /New - COST

Include option trades

Include indirect trades

Latest data: 10/28/2026 10:01:44 PM

EDGAR CIK

1 Month 3 Month 6 Month 1 Year 2 Years

Buy Breakdown

Total $0

No buy transactions for this time period.

Sell Breakdown

Total $13,251,386

Monthly Totals

Transaction	Filed	Name	Type	Shares @ Price	Value	Balance change		Ownership
10/13/2026	10/14/2026	Wilcox William Richard Executive Vice President Officer	Sell	-1,100 @ $958.21	($1,054,025.50)	3,094	(-26.23%)	Direct
09/29/2026	09/30/2026	Adamo Claudine Executive Vice President Officer	Sell	-2,200 @ $915.93	($2,015,046.00)	7,134	(-23.57%)	Direct
09/29/2026	09/30/2026	Frates Caton Sr. Executive Vice President Officer	Sell	-800 @ $915.93	($732,744.00)	7,912	(-9.18%)	Direct
06/23/2026	06/25/2026	Denman Kenneth D Director	Sell	-885 @ $957.45	($847,345.46)	4,779	(-15.63%)	Direct
04/01/2026	04/01/2026	Frates Caton Executive Vice President Officer	Sell	-700 @ $993.00	($695,100.00)	5,815	(-10.74%)	Direct
03/09/2026	03/11/2026	Adamo Claudine Executive Vice President Officer	Sell	-730 @ $1,003.02	($732,205.33)	6,121	(-10.66%)	Direct
01/21/2026	01/23/2026	Jones Teresa A. Executive Vice President Officer	Sell	-850 @ $986.26	($838,318.20)	4,228	(-16.74%)	Direct
01/16/2026	01/20/2026	Decker Susan L Director	Sell	-458 @ $955.00	($437,390.00)	8,532	(-5.09%)	Direct
01/14/2026	01/15/2026	Klauer James C Executive Vice President Officer	Sell	-1,500 @ $939.00	($1,408,500.00)	44,837	(-3.24%)	Direct
12/30/2025	12/31/2025	Polit Javier Executive Vice President Officer	Sell	-558 @ $862.89	($481,495.41)	10,190	(-5.19%)	Direct
12/29/2025	12/31/2025	Polit Javier Executive Vice President Officer	Sell	-2,049 @ $867.21	($1,776,903.86)	10,748	(-16.01%)	Direct
11/07/2025	11/12/2025	Wilcox William Richard Executive Vice President Officer	Sell	-2,400 @ $930.13	($2,232,312.00)	2,000	(-54.55%)	Direct