Guardant Health Director Tariq Musa's Stock Transactions and RSU Vesting

This Form 4 filing reports stock transactions by Guardant Health director Tariq Musa on June 15-16, 2026. On June 15, 2026, Musa received 250 shares of common stock valued at $0 per share through the vesting of restricted stock units (RSUs) granted on March 6, 2023, bringing his total common stock holdings to 8,912 shares. The RSUs vest over four years, with 25% vesting on March 15, 2024 and the remaining 75% vesting monthly over three years. On June 16, 2026, Musa sold 116 shares of common stock at $130.19 per share, reducing his holdings to 8,796 shares. The filing also reports the disposition of 250 RSU shares following their conversion to common stock. All transactions represent direct ownership.