Costco Wholesale Corporation

Last updated September 27, 2026

Organization details

Legal name
Costco Wholesale Corporation
Former names
Costco Companies Inc Price/Costco Inc
Ownership
Public
Status
Active
SIC code
5331 — Retail-Variety Stores
Jurisdiction of incorporation
Washington
Headquarters city
Issaquah
Headquarters state / province
Washington
Headquarters country
United States
Fiscal year end
August
Ticker symbol
COST
Primary stock exchange
Nasdaq

Identifiers

SEC CIK
0000909832
EIN
91-1223280

Board of directors

Chief executives

Dates unknown
Roland Michael Vachris · President and CEO
Dates unknown

Director election results

Annual meeting of January 15, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Board connections

7 of this board's directors also sit on 15 other boards.

Network of Costco Wholesale Corporation's board connections Affirm Holdings Inc. Affirm Holdings Inc. Andersen Group Inc. Andersen Group Inc. Berkshire Hathaway Inc. Berkshire Hathaway Inc... Chime Financial Inc. Chime Financial Inc. DocuSign Inc. DocuSign Inc. Fortinet Inc. Fortinet Inc. Lyft Inc. Lyft Inc. Medline Inc. Medline Inc. Microsoft Corporation Microsoft Corporation Motorola Solutions Inc. Motorola Solutions Inc... Okta Inc. Okta Inc. Quantinuum Inc. Quantinuum Inc. Sana Biotechnology Inc. Sana Biotechnology Inc... Skillsoft Corp. Skillsoft Corp. Vail Resorts Inc. Vail Resorts Inc. Charles T. Munger Charles T. Munger Helena Foulkes Helena Foulkes John W. Stanton John W. Stanton Kenneth D. Denman Kenneth D. Denman Mary Agnes Wilderotter Mary Agnes Wilderott... Richard A. Galanti Richard A. Galanti Susan L. Decker Susan L. Decker Costco Wholesale Corporati...
Shared director Other board Same sector

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months
$0
0 purchases by 0 insiders
Sold, last 12 months
$19,004,061
14 sales by 10 insiders
Date Insider Transaction Shares Price Value
Sep 10, 2026 Adamo Claudine Officer (Executive Vice President) Grant or award +4,129 — —
Sep 10, 2026 Frates Caton Officer (Executive Vice President) Grant or award +4,552 — —
Sep 10, 2026 Jones Teresa A. Officer (Executive Vice President) Grant or award +4,129 — —
Sep 10, 2026 Klauer James C Officer (Executive Vice President) Grant or award +4,129 — —
Sep 10, 2026 Riel Pierre Officer (Executive Vice President) Grant or award +4,552 — —
Sep 10, 2026 Rubanenko Yoram Officer (Executive Vice President) Grant or award +4,129 — —
Sep 10, 2026 Wilcox William Richard Officer (Executive Vice President) Grant or award +4,129 — —
Sep 10, 2026 Adamo Claudine Officer (Executive Vice President) Shares withheld for tax −917 $902.38 $827,198
Sep 10, 2026 Frates Caton Officer (Executive Vice President) Shares withheld for tax −1,654 $902.38 $1,492,864
Sep 10, 2026 Jones Teresa A. Officer (Executive Vice President) Shares withheld for tax −1,459 $902.38 $1,316,153
Sep 10, 2026 Klauer James C Officer (Executive Vice President) Shares withheld for tax −936 $902.38 $844,731
Sep 10, 2026 Riel Pierre Officer (Executive Vice President) Shares withheld for tax −1,562 $902.38 $1,409,211
Sep 10, 2026 Rubanenko Yoram Officer (Executive Vice President) Shares withheld for tax −1,696 $902.38 $1,530,393
Sep 10, 2026 Wilcox William Richard Officer (Executive Vice President) Shares withheld for tax −1,935 $902.38 $1,745,752
Jul 10, 2026 Jeffrey S. Raikes Director Gift −5,249 — —

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