Costco | 144: Notice of proposed sale of securities pursuant to Rule 144

Costco Wholesale Corp officer Javier Polit has filed to sell 559 shares of common stock on December 30, 2025, with an aggregate market value of $481,758.59. The shares were originally acquired through a Restricted Stock Vesting on October 22, 2024, as part of compensation.This transaction follows a recent sale by Polit, who sold 2,049 shares for total gross proceeds of $1.78 million on December 29, 2025. The combined transactions demonstrate continued insider selling activity at the company.

Costco Wholesale Corp officer Javier Polit has filed to sell 559 shares of common stock on December 30, 2025, with an aggregate market value of $481,758.59. The shares were originally acquired through a Restricted Stock Vesting on October 22, 2024, as part of compensation.This transaction follows a recent sale by Polit, who sold 2,049 shares for total gross proceeds of $1.78 million on December 29, 2025. The combined transactions demonstrate continued insider selling activity at the company.