Costco Wholesale Director Hamilton E. James Receives Annual RSU Grant

Transaction Overview

On October 22, 2026, Hamilton E. James, a member of the Board of Directors of Costco Wholesale Corp ($COST), received an award of 266 Restricted Stock Units (RSUs) of Common Stock at an acquisition price of $0.00 per share.

Key Details

• Transaction Code: A (Grant, award, or other acquisition pursuant to an employee benefit plan).
• Vesting Terms: According to the footnotes, the RSUs vest one-third on October 22, 2027, and one-third annually on October 22 for the subsequent two years.
• Direct Ownership: Following this grant, Mr. James directly holds 55,803.936 shares of Costco Common Stock.
• Indirect Ownership: An additional 1,151 shares are held indirectly across four family trusts (230 shares in Family Trust I, 230 shares in Family Trust II, 230 shares in Family Trust III, and 461 shares in Family Trust IV).

Market Significance

This filing represents standard non-employee director compensation rather than an open-market purchase or sale. Because the transaction reflects standard equity compensation and routine vesting schedules, it carries low trading significance for market participants.