Costco Wholesale PAO Awarded 1,965 RSUs with Routine Tax Withholdings

Transaction Overview

On October 22, 2026, Tiffany Marie Barbre, Principal Accounting Officer of Costco Wholesale Corp ($COST), was granted 1,965 Restricted Stock Units (RSUs) of common stock at no cost. Simultaneously, a total of 536.768 shares were withheld by the company across five separate vestings to cover tax obligations at a market price of $1,018.21 per share.

Key Transaction Data

• Security: Common Stock
• Award Grant: 1,965 RSUs (Transaction Code A)
• Shares Withheld for Taxes (Code F): 536.768 shares total (valued at approximately $546,543.45)
• Net Share Change: +1,428.232 shares
• Final Direct Holdings: 6,583.68 shares
• Indirect Holdings (401k): 2.1788 shares

Vesting Terms

The 1,965 RSUs vest one-fifth annually starting October 22, 2027, through October 22, 2031, subject to accelerated vesting provisions tied to service milestones (25th, 30th, and 35th anniversaries) under the 2019 Stock Incentive Plan.

Market & Trading Significance

This filing represents standard compensatory equity awards and routine statutory tax withholdings. There are no discretionary open-market sales or purchases, resulting in low informational value for market sentiment.