Clark Ian T. - 17 Jun 2026 Form 4 Insider Report for Guardant Health, Inc. (GH)

Reporting relationship: Director
Issuer ticker: GH
Reported as of: 17 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 22 Jun 2026, 17:51:14 UTC
Prior SEC filing: 15 Jun 2026
Next SEC filing: 23 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ John G. Saia, as attorney-in-fact for Ian T. Clark

Key filing fact

Clark Ian T. filed Form 4 for Guardant Health, Inc. (GH) on 22 Jun 2026.

Key facts

This page summarizes Clark Ian T.'s Form 4 filing for Guardant Health, Inc. (GH).
3 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 22 Jun 2026, 17:51.

Change

Previous filing in this sequence was filed on 15 Jun 2026.
Current net transaction value: $0.

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 0001336504 Primary reporting owner

CLARK IAN T

Relationship: Director
Address: 3100 HANOVER STREET, PALO ALTO
Signature: /s/ John G. Saia, as attorney-in-fact for Ian T. Clark
Signature date: 22 Jun 2026

Reported non-derivative transactions

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

GH transaction

Common Stock

Options Exercise

Transaction value
Shares: +5,092
Change %: +171%
Price: $0.000000^*
Shares after: 8,067
Date: 17 Jun 2026
Ownership: By The Thornton-Clark Family Trust, J Thornton-Clark & I Clark TTE Account

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
Shares: -5,092
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 17 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 5,092
Exercise price: $0.000000
Footnotes: F1, F2

GH transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +2,711
Change %
Price: $0.000000^*
Shares after: 2,711
Date: 17 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 2,711
Exercise price: $0.000000
Footnotes: F2, F3

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

The restricted stock unit award vested in full on the date of the 2026 Annual Meeting of Stockholders which was held on June 17, 2026.

Footnote F2

Not applicable for Restricted Stock Units.

Footnote F3

The restricted stock unit award vests in full on the one-year anniversary of the grant date, June 17, 2026, or the date of the Company's next annual meeting of stockholders, whichever is earlier.