[144] Guardant Health, Inc. SEC Filing

Rhea-AI Filing Summary

Guardant Health, Inc. (GH) filed a Form 144 to notify a proposed sale of securities under Rule 144. The filing states that 300,000 shares of Common Stock are to be sold through Stifel Nicolaus & Company Inc. on or about 09/09/2025 on Nasdaq, with an aggregate market value of $17,835,990.00. The filer reports acquisition details for the shares: 286,065 shares from Restricted Stock Units acquired 01/07/2021 and 50,000 shares purchased on 11/19/2021, with cash noted as the payment method. The filer certifies no undisclosed material adverse information and provides the standard Rule 144 attestation.

Positive

• Full disclosure provided: The filing lists broker, share count, aggregate market value, and acquisition history as required.
• Acquisition transparency: Specifies that most shares originated from Restricted Stock Units and an open-market purchase, with dates and payment method.

Negative

• None.

Insights

Securities Compliance Analyst

TL;DR: Routine affiliate sale notification under Rule 144; provides required acquisition and broker details.

The Form 144 presents the standard disclosure for an intended sale by an insider or affiliate. It names the broker, the class and amount of securities to be sold, the aggregate market value, the approximate sale date, and acquisition history including RSUs and an open-market purchase. The filing includes the attestation regarding undisclosed material information, which is customary and necessary for Rule 144 compliance. There are no indications of concurrent securities sold in the prior three months.

Equity Research Analyst

TL;DR: The notice documents an intended sale but contains no operational or financial performance updates about Guardant Health.

From an investor perspective, this filing signals disposition of shares by a person associated with the issuer but does not provide earnings, guidance, or corporate actions that would typically move valuation. The transaction details (broker, share count, acquisition origins) enhance transparency but do not by themselves indicate a change in company fundamentals.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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 Stock	Stifel Nicolaus & Company Inc 501 N Broadway St. Louis MO 63102	300000	17835990.00	124705857	09/09/2025	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 Stock	01/07/2021	Restricted Stock Units	Issuer			286065	01/07/2021	Cash
Common Stock	11/19/2021	Open Market Purchase	Issuer			50000	11/19/2021	Cash

* 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

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does Guardant Health's Form 144 disclose about the proposed sale?

The Form 144 discloses a proposed sale of 300,000 shares of Common Stock via Stifel Nicolaus & Company Inc., approximate sale date 09/09/2025, and aggregate market value $17,835,990.00.

Who acquired the shares being sold and how were they acquired?

The filing shows 286,065 shares from Restricted Stock Units01/07/2021 and 50,000 shares purchased in the open market on 11/19/2021, with cash payment noted.

Which broker will handle the sale of Guardant Health shares?

The broker listed is Stifel Nicolaus & Company Inc located at 501 N Broadway St. Louis MO 63102.

Does the filing report any securities sold in the past three months?

No. The Form 144 states "Nothing to Report" under securities sold during the past three months.

Does the filer attest to any undisclosed material information?

Yes. The filer represents by signing the notice that they do not know any material adverse information about the issuer that has not been publicly disclosed.