According to a recent U.S. Securities and Exchange Commission (SEC) Form 4 filing, Guardant Health (Nasdaq: GH) Director Ian T. Clark sold 14,180 shares of the company's common stock on August 4, 2026, in a transaction valued at approximately $2.3 million. The transaction was executed through the exercise and sale of stock options, with shares sold at a weighted average price of $158.92 per share. Following the transaction, Clark's indirect holdings decreased by 83%, and he now holds 2,975 shares through a trust, with zero direct holdings.