SEC Form 4 · accession 0000909832-26-000080
COSTCO WHOLESALE CORP /NEW · COST
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
William Richard Wilcox
Officer — Executive Vice President
Period of report
Sep 10, 2026
Accepted (ET)
Sep 14, 2026 · 5:30 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000909832
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1,F2 | Sep 10, 2026 | A | 4,129 | $0.00 | A | 6,129 | D | |
| Common Stock | Sep 10, 2026 | F | 1,935 | $902.38 | D | 4,194 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Grant was initially made on October 22, 2025, subject to performance conditions concerning fiscal 2026, which have been deemed satisfied by the Compensation Committee of the Board of Directors. The earned awards vest 20% on the first anniversary of the grant date and an additional 20% vest over each of the ensuing four years based on continued employment with the Company. In addition, under the 2019 Incentive Plan, employees are eligible for accelerated vesting upon the anniversary of their 25th, 30th and 35th years of service.
- F2Not applicable. Grant of Restricted Stock Units.