• Guardant Health director Tariq Musa sold 116 common shares on Sep. 16, 2026 at USD 175.
• Directly held common stock fell to 11,449 shares.
• Transaction followed the vesting of 249 restricted stock units into 249 common shares on Sep. 15, 2026 at USD 0.
• Directly held restricted stock units stood at 1,500 units after the vesting.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Guardant Health Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001968281-26-000025), on September 17, 2026, and is solely responsible for the information contained therein.