144 0001927831 XXXXXXXX LIVE 0001576280 Guardant Health, Inc. 001-38683 3100 HANOVER STREET PALO ALTO CA 94304 855-698-8887 Kalia Kumud Officer Common Stock STM Malta Pension Services, Ltd.

San Gwakkin Building, Level 2, Triq is-Salib tal-Imriehel, Zone 4 Birkirkara O1 CBD 4020

3418 445155.57 1000 06/11/2026 NASDAQ Common Stock 06/09/2023 Purchase Open Market N 2231 06/09/2023 Check Common Stock 03/18/2024 Purchase Open Market N 2187 03/18/2024 Check N Kumud Kalia

c/o 3100 HANOVER STREET PALO ALTO CA 94304

Common Stock 06/10/2026 5000 652030.00 This sale was out of The STM Malta (US) Retirement Plan Re: Kumud Kalia 06/15/2026 Kumud Kalia