ROBERTO MIGNONE - 21 Oct 2025 Form 4 Insider Report for Guardant Health, Inc. (GH)

Role
Director
Signature
/s/ John G. Saia, as attorney-in-fact for Roberto A. Mignone
Issuer symbol
GH
Transactions as of
21 Oct 2025
Net transactions value
$0
Form type
4
Filing time
22 Oct 2025, 19:07:55 UTC
Previous filing
20 Jun 2025
Next filing
10 Nov 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
MIGNONE ROBERTO Director 3100 HANOVER STREET, PALO ALTO /s/ John G. Saia, as attorney-in-fact for Roberto A. Mignone 22 Oct 2025 0001258394

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GH Common Stock Options Exercise $0 +3,167 $0.000000 3,167 21 Oct 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 Restricted Stock Units Options Exercise $0 -3,167 -25% $0.000000 9,504 21 Oct 2025 Common Stock 3,167 $0.000000 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The restricted stock unit granted on November 8, 2024 vests over a four-year period. 25% of the shares subject to such award vested on the one-year anniversary of October 21, 2024, and the remaining 75% vests monthly over the three-year period thereafter.
F2 Not applicable for Restricted Stock Units.