Costco Wholesale CORP /NEW Form 4 insider transactions

Jeffrey S Raikes, a Director of Costco Wholesale Corp /New, reported a transaction in 5,249 shares of common stock on July 10, 2026.

Costco Wholesale Corp. Director Kenneth D. Denman reported a sale of common stock.

Costco Wholesale Corp Executive Vice President Caton Frates sold 700 shares of common stock for $993 per share on April 1, 2026, under a Rule 10b5-1 plan.

Costco Wholesale Corp Executive Vice President Sarah Catherine George disposed of 642.1252 shares of common stock from her 401(k) plan due to a new company policy.

Costco Wholesale Corp. Executive Vice President Gary Millerchip disposed of 1,154.017 shares of common stock for tax withholding purposes at a price of $992.23 per share.

Costco Wholesale Corp. Director Jeffrey S. Raikes gifted 5,115 shares of common stock to a non-profit foundation.

Costco Wholesale Corp Executive Vice President Teresa A. Jones gifted 300 shares of common stock to a charitable donor advised fund.

Costco Wholesale Corp Executive Vice President Teresa A. Jones sold 850 shares of common stock for approximately $986.26 per share under a Rule 10b5-1 plan.

Costco Wholesale Corp. Director Susan L. Decker reported the sale of 458 shares of common stock at $955 per share, executed under a Rule 10b5-1 plan.

Costco Wholesale Corp. Director Gina Marie Raimondo was granted 215 Restricted Stock Units, aligning her interests with shareholders through a three-year vesting schedule.

Costco Wholesale Corp's Executive Vice President, James C. Klauer, has filed a Form 4 disclosing a pre-planned sale of 1,500 shares of common stock scheduled for January 14, 2026.

A Senior Executive Vice President at Costco Wholesale Corp. sold 1,500 shares of common stock for over $1.3 million under a Rule 10b5-1 trading plan.

Costco Wholesale Corp Executive Vice President Javier Polit sold 2,607.305 shares of common stock in late December 2025, pursuant to a pre-arranged Rule 10b5-1 trading plan.

Costco Wholesale Corp. Director Kenneth D. Denman reported gifting 325 shares of common stock to a charitable donor advised fund.

Costco Wholesale Corp. Director Susan L. Decker reported gifting 2,827 shares of common stock, reducing her direct beneficial ownership.

Costco Wholesale Corp. Director Jeffrey S. Raikes gifted 4,120 shares of common stock to a non-profit organization on November 10, 2025.

Costco Wholesale Corp's Executive Vice President, William Richard Wilcox, sold 2,400 shares of common stock for $930.13 per share, pursuant to a pre-arranged 10b5-1 plan.

Costco's Principal Accounting Officer, Tiffany Marie Barbre, reported the acquisition of restricted stock units and subsequent sales and tax withholdings of common stock.

Costco President and CEO Roland Michael Vachris reported the acquisition of 13,834 restricted stock units and subsequent tax-related dispositions of 2,652.8 shares.

Costco Executive VP John Sullivan reported the vesting of restricted stock units and subsequent tax-related share disposals on October 22, 2025.

Costco Wholesale Corp Executive Vice President Javier Polit reported the acquisition of 4,219 shares of common stock through restricted stock unit vesting and subsequent tax-related dispositions.

Costco Wholesale Corp Executive Vice President Gary Millerchip reported the acquisition of 6,268 shares of common stock through a restricted stock unit grant and the disposition of 813.37 shares for tax withholding purposes.

Costco Executive Vice President James C. Klauer reported the disposition of 917.35 shares of common stock for tax withholding purposes related to restricted stock unit vesting.

Costco Executive Vice President Caton Frates reported the withholding of common stock for tax obligations related to restricted stock unit vesting.

Costco Wholesale Corp Executive Vice President Patrick J. Callans reported the disposition of 916.95 shares of common stock for tax withholding purposes following RSU vesting.

Costco Executive Vice President Claudine Adamo reported the sale of 2,700 shares of common stock and tax withholdings related to restricted stock unit vesting.

Costco Wholesale Corp. Director John W. Stanton was granted 286 Restricted Stock Units, vesting over three years.

Costco Wholesale Corp. Director Mary Agnes Wilderotter was granted 286 restricted stock units, vesting over three years, and previously contributed 9,752 shares to a grantor retained annuity trust.

Costco Wholesale Corp. Director Jeffrey S. Raikes was granted 286 restricted stock units, vesting over three years, as reported in a recent SEC Form 4 filing.

Costco Wholesale Corp. director Sarah Jewell was granted 286 restricted stock units, vesting over three years, as part of her compensation.