Officer Tiffany Marie Barbre's Restricted Stock Vesting at Costco Wholesale Corp

Tiffany Marie Barbre, an officer at Costco Wholesale Corp, has reported the vesting of restricted stock. The transaction involved 1,240 shares of common stock, which were acquired on October 22, 2025, as part of her compensation. The aggregate market value of these shares is approximately $1,158,352.69. The shares are to be sold on or around October 24, 2025, through Fidelity Brokerage Services LLC. There are no other securities transactions to report for the past three months.