Michael Brian Bell - 01 Oct 2025 Form 4 Insider Report for Guardant Health, Inc. (GH)

Reporting relationship: Chief Financial Officer
Issuer ticker: GH
Reported as of: 01 Oct 2025
Net transaction value: -$482,092
SEC form: 4
Accepted by SEC: 02 Oct 2025, 20:04:15 UTC
Prior SEC filing: 17 Sep 2025
Next SEC filing: 08 Dec 2025
Source filing: View source filing
Reporting owner signature: /s/ John G. Saia, as attorney-in-fact for Michael Brian Bell

Key filing fact

Michael Brian Bell filed Form 4 for Guardant Health, Inc. (GH) on 02 Oct 2025.

Key facts

This page summarizes Michael Brian Bell's Form 4 filing for Guardant Health, Inc. (GH).
5 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 02 Oct 2025, 20:04.

Change

Previous filing in this sequence was filed on 17 Sep 2025.
Current net transaction value: -$482,092.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001702824 Primary reporting owner

Bell Michael Brian

Relationship: Chief Financial Officer
Address: 3100 HANOVER STREET, PALO ALTO
Signature: /s/ John G. Saia, as attorney-in-fact for Michael Brian Bell
Signature date: 02 Oct 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

GH transaction

Common Stock

Options Exercise

Transaction value: $0
Shares: +2,084
Change %: +4.7%
Price: $0.000000
Shares after: 46,725
Date: 01 Oct 2025
Ownership: Direct

GH transaction

Common Stock

Options Exercise

Transaction value: $0
Shares: +13,097
Change %: +28%
Price: $0.000000
Shares after: 59,822
Date: 01 Oct 2025
Ownership: Direct

GH transaction

Common Stock

Tax liability

Transaction value: $482,092
Shares: -7,695
Change %: -13%
Price: $62.65
Shares after: 52,127
Date: 01 Oct 2025
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

GH transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -2,084
Change %: -20%
Price: $0.000000
Shares after: 8,337
Date: 01 Oct 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 2,084
Exercise price: $0.000000
Footnotes: F2, F3

GH transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -13,097
Change %: -33%
Price: $0.000000
Shares after: 26,592
Date: 01 Oct 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 13,097
Exercise price: $0.000000
Footnotes: F3, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote 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.

Footnote F2

This represents a restricted stock unit award granted on December 13, 2023 that vests over a three-year period. 33% of the shares subject to such award vested on October 1, 2024 and the remaining 67% of the shares vests in equal quarterly installments over the remaining two-year period thereafter.

Footnote F3

Not applicable for Restricted Stock Units.

Footnote F4

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.