Guardant Health holder plans $300K stock sale

Guardant Health, Inc. submission of a Form 144 notifies the SEC of proposed sale of 2000 shares of Common Stock on 06/26/2026 related to an Employee Stock Option Exercise via a broker payment for cashless exercise.

Rhea-AI Filing Summary

Guardant Health, Inc. submission of a Form 144 notifies the SEC of proposed sale of 2000 shares of Common Stock on 06/26/2026 related to an Employee Stock Option Exercise via a broker payment for cashless exercise.

The excerpt also lists recent dispositions by Meghan V. Joyce: 10,000 shares on 06/03/2026, 6,203 shares on 06/22/2026, and 2,000 shares on 06/24/2026, with proceeds shown in the filing for each transaction.

Insights

Securities Compliance Attorney

Form 144 filed for a cashless option exercise and lists recent insider dispositions.

The filing shows a 2000-share proposed sale on 06/26/2026 effected as a broker payment for cashless exercise. This method is a routine mechanics-driven disposition when option exercises are satisfied by broker net settlement.

Timing and exact resale method are stated; cash‑flow treatment is explicit as a broker payment. Subsequent public filings or Form 4s may report final consummation details.

Insider Transactions Analyst

Multiple recent insider dispositions are recorded, with exact share counts and gross proceeds.

The excerpt records three prior sales by Meghan V. Joyce: 10,000, 6,203, and 2,000 shares on 06/03/2026, 06/22/2026, and 06/24/2026, respectively, with monetary figures shown beside each row.

No attribution qualifiers or Rule 10b5-1 language appear in the excerpt; the filing is informational and traces recent insider activity.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does Guardant Health's Form 144 filed on 06/26/2026 report?

The Form 144 reports a proposed sale of 2000 shares of common stock on 06/26/2026 tied to an Employee Stock Option Exercise executed via a broker payment for a cashless exercise, as stated in the excerpt.

Who made recent share dispositions listed in the excerpt for GH?

Meghan V. Joyce is listed with three dispositions: 10,000 shares on 06/03/2026, 6,203 shares on 06/22/2026, and 2,000 shares on 06/24/2026, with proceeds shown for each transaction.

What is a 'broker payment for cashless exercise' as used in the filing?

A broker payment for cashless exercise indicates the broker satisfied option exercise costs by withholding or selling shares rather than paying cash, with the filing listing 2000 shares tied to that mechanism on 06/26/2026.

Does the excerpt show final sale proceeds or consummation details for the 2000 shares?

The excerpt records the proposed sale method and share count (2000 shares on 06/26/2026) but does not include a later Form 4 or consummation statement—final sale proceeds or settlement details are not provided in this excerpt.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/26/2026 - 04:04 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001770749
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Guardant Health, Inc.
SEC File Number	001-38683
Address of Issuer	3100 HANOVER STREET PALO ALTO CALIFORNIA 94304
Phone	855-698-8887
Name of Person for Whose Account the Securities are To Be Sold	Joyce Meghan V.
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Charles Schwab & Co., Inc. 3000 Schwab Way Westlake TX 76262	2000	300082.00	132599929	06/26/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	06/26/2026	Employee Stock Option Exercise	GUARDANT HEALTH, INC.			2000	06/26/2026	Broker Payment for Cashless Exercise

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Meghan V. Joyce 3100 HANOVER STREET PALO ALTO CA 94304	Guardant Health, Inc.	06/03/2026	10000	1269809.00
Meghan V. Joyce 3100 HANOVER STREET PALO ALTO CA 94304	Guardant Health, Inc.	06/22/2026	6203	812604.00
Meghan V. Joyce 3100 HANOVER STREET PALO ALTO CA 94304	Guardant Health, Inc.	06/24/2026	2000	280045.00

144: Remarks and Signature

Remarks
Date of Notice	06/26/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	03/04/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	Meghan V. Joyce
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)