Manuel Hidalgo Medina - 08 Dec 2025 Form 4 Insider Report for Guardant Health, Inc. (GH)

Role
Director
Signature
/s/ John G. Saia, as attorney-in-fact for Manuel Hidalgo Medina
Issuer symbol
GH
Transactions as of
08 Dec 2025
Net transactions value
-$98,700
Form type
4
Filing time
10 Dec 2025, 21:32:14 UTC
Previous filing
18 Nov 2025
Next filing
18 Dec 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Hidalgo Medina Manuel Director 3100 HANOVER STREET, PALO ALTO /s/ John G. Saia, as attorney-in-fact for Manuel Hidalgo Medina 10 Dec 2025 0001865525

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GH Common Stock Options Exercise $32,550 +1,000 +96% $32.55 2,047 08 Dec 2025 Direct
transaction GH Common Stock Sale $105,000 -1,000 -49% $105.00 1,047 08 Dec 2025 Direct
transaction GH Common Stock Sale $26,250 -250 -24% $105.00 797 08 Dec 2025 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction GH Stock Option (Right to Buy) Options Exercise $0 -1,000 -6.2% $0.000000 15,029 08 Dec 2025 Common Stock 1,000 $32.55 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The stock option granted on July 17, 2024 vests over a four-year period. 25% of the shares subject to such award vested on the one-year anniversary of July 17, 2024. The remaining 75% vests monthly for the three-year period thereafter.