SEC Form 4 · accession 0001652956-26-000016

Guardant Health, Inc. · GH

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Officer — Chief People Officer

Period of report

Jul 1, 2026

Accepted (ET)

Jul 2, 2026 · 6:12 pm EDT

Rule 10b5-1 plan

box not checked

Issuer CIK

0001576280

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I
Common Stock	Jul 1, 2026	M	2,659	$0.00	A	23,717	D
Common Stock	Jul 1, 2026	M	1,361	$0.00	A	25,078	D
Common Stock^F1	Jul 1, 2026	F	2,099	$170.77	D	22,979	D

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Restricted Stock Units^F2,F3	$0.00	Jul 1, 2026	M	2,659	D	—	—	Common Stock	2,659	13,296	D
Restricted Stock Units^F4,F3	$0.00	Jul 1, 2026	M	1,361	D	—	—	Common Stock	1,361	9,522	D

F1These shares were retained by the Company in order to meet the tax withholding obligations of the award-holder in connection with the vesting of an installment of the restricted stock units. The amount retained by the Company was not in excess of the amount of the tax liability.
F2This represents a restricted stock unit award granted on November 8, 2024 that vests over a three-year period. 33% of the shares subject to such award vested on October 1, 2025 and the remaining 67% of the shares vests in equal quarterly installments over the remaining two-year period thereafter.
F3Not applicable for Restricted Stock Units.
F4This represents a restricted stock unit award granted on March 12, 2025 that vests over a three-year period. 33% of the shares subject to such award vests on April 1, 2026 and the remaining 67% of the shares vest in equal quarterly installments over the remaining two-year period thereafter.

Table I includes 68 shares acquired under Guardant Health's Employee Stock Purchase Plan on 5/14/2026.