Costco Wholesale EVP James C. Klauer Disposes Shares for Tax Withholding

Executive Summary

On October 26, 2026, Costco Wholesale Corp filed a Form 4 disclosing that Executive Vice President James C. Klauer disposed of an aggregate of 2,101.365 shares of Costco common stock on October 22, 2026. The shares were withheld to cover tax liabilities associated with the vesting of restricted stock units (RSUs), at a market price of $1,018.21 per share, representing a total value of approximately $2.14 million.

Transaction Breakdown

• Transactions: 5 distinct tax withholding tranches (190.678, 396.177, 529.972, 442.688, and 541.85 shares).
• Transaction Code: F (Payment of exercise price or tax liability by delivering or withholding securities).
• Price per Share: $1,018.21 (Nasdaq closing price on October 22, 2026).
• Post-Transaction Holdings: Klauer retains direct ownership of 45,928.514 shares and indirect ownership of 98.5 shares held by spouse.

Market and Trading Impact

Because these transactions represent mandatory tax withholdings upon RSU settlement rather than discretionary open-market sales, they carry low trading significance and do not signal executive sentiment regarding Costco's future operational performance or valuation.