Company: COST
Filing Date: 2025-12-04
Form Type: DEF 14A
Source: 0000909832-25-000159
Chunk: 20

Company: COSTCO WHOLESALE CORP /NEW
Filing Date: 2025-12-04
Form: DEF 14A
Chunk 20
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 Mr. Stanton is a trustee, and 211 shares held by Mr. Stanton's son. Mr. Stanton disclaims beneficial ownership of these shares.

(8) Includes 9,752 shares held by a grantor annuity trust of which Ms. Wilderotter is the sole grantor, trustee, and annuity beneficiary.

### EQUITY COMPENSATION PLAN INFORMATION
<div align='center'>(at Fiscal Year-End)</div>

| Plan category1                                               |     | Number of securities 
    to be issued upon 
          exercise of 
 outstanding options, 
 warrants and rights2 |     | Weighted-average  
 exercise price of 
 outstanding       
 options, warrants 
 and rights ($)3   |     |        Number of securities 
     remaining available for 
       future issuance under 
         equity compensation 
 plans (excluding securities 
   reflected in column (1))4 |
| Total equity compensation plans approved by security holders |     |            2,308,121 |     | —                 |     |                   6,275,211 |

_______________________

(1) There are no plans besides those approved by security holders.

(2) Shares of common stock issuable upon vesting and release of outstanding RSUs granted under the 2019 Incentive Plan.

(3) There were no options, warrants, or rights outstanding at August 31, 2025.

(4) Available for issuance under the 2019 Incentive Plan, assuming issuance as RSUs. Includes the effect of adjustments made for special dividends.

<div align='center'>12</div>

### EXECUTIVE COMPENSATION

### COMPENSATION DISCUSSION AND ANALYSIS
Following is a discussion and analysis of our compensation programs as they apply to our Chief Executive Officer, Chief Financial Officer, the three other most highly compensated individuals who served as executive officers in fiscal 2025, and one former executive officer who would have been one of our three other most highly compensated executive officers if he had still been serving as an officer at the end of fiscal 2025. These individuals are referred to as the “Named Executive Officers" and include: Ron M. Vachris, Chief Executive Officer; Gary Millerchip, Executive Vice President, Chief Financial Officer; Russ D. Miller, Senior Executive Vice President, Chief Operating Officer - Warehouse Operations, U.S. and Mexico; Pierre Riel, Executive Vice President, Chief Operating Officer - International Division; Javier Polit, Executive Vice President, Chief Information and Digital Officer; and Richard Gal