COSTCO WHOLESALE CORP /NEW 4

Executive Vice President Yoram Rubanenko received performance-based RSU shares and had a portion withheld for taxes, increasing his net Costco common stock holdings to 10,680.167 shares.

On September 10, 2026, Costco Wholesale Corp. Executive Vice President Yoram Rubanenko had performance-based restricted stock units convert into 4,129 shares of common stock following satisfaction of fiscal 2026 performance conditions, while 1,695.952 shares were simultaneously withheld and disposed of by the issuer at an implied price of $902.38 per share to cover tax obligations, resulting in a net increase in his direct ownership to 10,680.167 shares. The underlying RSU grant was originally made on October 22, 2025, and the earned awards will vest in 20% increments annually over five years, with potential accelerated vesting based on long-term service milestones under the 2019 Incentive Plan.

Filing Facts

CIK

909832

Ticker

COST

Form

4

Source Type

sec

Accession

0000909832-26-000078

Alert Tier

7