Form 4
Sullivan John Christopher
Officer (Executive VP)
- Filed
- 10/27/26
- Trade dates
- 10/22/26
- Period of report
- 10/22/26
- 10b5-1 box
- Not checked
- Accession number
- 0000909832-26-000131
Table I: shares of stock
| Line | Security | Trade date | Shares | Price | Value | Owned after | Ownership | Notes |
|---|---|---|---|---|---|---|---|---|
| GrantedLine 1 · code A | Common Stock | 10/22/26 | 4,552Acquired | $0 | — No price on filing | 52,223.144 | Direct | F1, F2 |
| Withheld for taxesLine 2 · code F | Common Stock | 10/22/26 | 572.834Disposed | $1,018.21 | $583,265.31 | 51,650.31 | Direct | F3 |
| Withheld for taxesLine 3 · code F | Common Stock | 10/22/26 | 647.297Disposed | $1,018.21 | $659,084.28 | 51,003.013 | Direct | F3 |
| Withheld for taxesLine 4 · code F | Common Stock | 10/22/26 | 975.02Disposed | $1,018.21 | $992,775.11 | 50,027.993 | Direct | F3 |
| Withheld for taxesLine 5 · code F | Common Stock | 10/22/26 | 732.304Disposed | $1,018.21 | $745,639.26 | 49,295.689 | Direct | F3 |
| Withheld for taxesLine 6 · code F | Common Stock | 10/22/26 | 835.794Disposed | $1,018.21 | $851,013.81 | 48,459.895 | Direct | F3 |
Footnotes
- F1
Grant 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, this grant is eligible for accelerated vesting upon the anniversary of the reporting person's 25th, 30th and 35th years of service.
- F2
Not applicable. Grant of Restricted Stock Units.
- F3
This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on Nasdaq on October 22, 2026.