Guardant Health, Inc. 4

Co-CEO AmirAli Talasaz transferred 75,000 shares of Guardant Health common stock as a gift from a family trust to a family foundation, with no open-market buy or sell.

On August 10, 2026, Guardant Health Co-Chief Executive Officer AmirAli Talasaz effected an internal reallocation of 75,000 shares of Guardant Health, Inc. common stock, recorded as a gift transfer from the Talasaz and Eskandari 2017 Family Trust to The Talasaz Family Foundation. The Form 4 shows no sale or purchase for cash consideration; instead, it reflects a change in the form of beneficial ownership, with the trust’s directly reported holdings decreasing while an affiliated foundation’s indirect holdings increased by the same amount. After the transaction, Talasaz remains a significant holder with 1,824,351 shares reported under the family trust plus 75,000 shares held by the family foundation, indicating continued substantial economic exposure to Guardant Health despite the charitable/estate-planning oriented shift.

Filing Facts

CIK

1576280

Ticker

GH

Form

4

Source Type

sec

Accession

0001753159-26-000018

Alert Tier

4