Costco Wholesale Corporation, together with its subsidiaries, engages in the operation of membership warehouses in the United States, Puerto Rico, Canada, the United Kingdom, Mexico, Japan, Korea, Australia, Spain, France, Iceland, China, and Taiwan. It offers branded and private-label products in a range of merchandise categories. The company offers sundries, dry groceries, candies, coolers, freezers, liquor, and tobacco and deli products; appliances, electronics, health and beauty aids, hardware, garden and patio products, sporting goods, tires, toys and seasonal products, office supplies, automotive care products, postages, tickets, apparel, small appliances, furniture, domestics, housewares, special order kiosks, and jewelry; and meat, produce, service deli, and bakery products. It also operates pharmacies, opticals, food courts, hearing-aid centers, and tire installation centers, as well as 636 gas stations; and offers business delivery, travel, same-day grocery, and various other services online in various countries. As of August 29, 2021, the company operated 815 membership warehouses, including 564 in the United States and Puerto Rico, 105 in Canada, 39 in Mexico, 30 in Japan, 29 in the United Kingdom, 16 in South Korea, 14 in Taiwan, 12 in Australia, 3 in Spain, 1 in Iceland, 1 in France, and 1 in China. It also operates e-commerce websites in the United States, Canada, the United Kingdom, Mexico, South Korea, Taiwan, Japan, and Australia. The company was formerly known as Costco Companies, Inc. and changed its name to Costco Wholesale Corporation in August 1999. Costco Wholesale Corporation was founded in 1976 and is based in Issaquah, Washington.

Costco Wholesale Corporation

Initial Statement of Beneficial Ownership

Insider	Title	Date	Shares	% Owned	Market Value
W. Craig Jelinek	Former Director Show All	2024-12-23	354.4K	0.079833%	339.8M
Patrick J. Callans	Executive Vice President of Administration Show All	2025-10-24	60.9K	0.013718%	56.6M
Ron M. Vachris	President, CEO & Director Show All	2025-10-24	52.3K	0.011772%	48.6M
James C. Klauer	Executive VP & COO of Northern Division Show All	2025-10-24	46.4K	0.01046%	43.2M
John Sullivan	Executive VP, General Counsel & Corporate Secretary Show All	2025-10-24	34.8K	0.007849%	32.4M
Jeffrey S. Raikes
Pierre Riel
Russell D. Miller
Javier Polit
Yoram B. Rubanenko
Claudine E. Adamo
Caton Frates
Tiffany M. Barbre
Teresa Jones
Gary Millerchip
Total			636.4K	0.143365%	602.6M