Terilyn J. Monroe - 01 Oct 2025 Form 4 Insider Report for Guardant Health, Inc. (GH)

Role
Chief People Officer
Signature
/s/ John G. Saia, as attorney-in-fact for Tarilyn J. Monroe
Issuer symbol
GH
Transactions as of
01 Oct 2025
Net transactions value
-$332,672
Form type
4
Filing time
02 Oct 2025, 20:05:53 UTC
Previous filing
13 Mar 2025
Next filing
03 Dec 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Monroe Terilyn J. Chief People Officer 3100 HANOVER STREET, PALO ALTO /s/ John G. Saia, as attorney-in-fact for Tarilyn J. Monroe 02 Oct 2025 0001652956

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GH Common Stock Options Exercise $0 +10,477 +50% $0.000000 31,397 01 Oct 2025 Direct
transaction GH Common Stock Tax liability $332,672 -5,310 -17% $62.65 26,087 01 Oct 2025 Direct F1

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 -10,477 -33% $0.000000 21,274 01 Oct 2025 Common Stock 10,477 $0.000000 Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These 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.
F2 This 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 vests on October 1, 2025 and the remaining 67% of the shares vests in equal quarterly installments over the remaining two-year period thereafter.
F3 Not applicable for Restricted Stock Units.

Remarks:

Table I includes 663 shares acquired under Guardant Health's Employee Stock Purchase Plan on 5/14/2025.