GH files Rule 144 notice listing 100,000 founder shares

GH filed a Rule 144 notice identifying multiple classes of Common Stock and equity awards subject to sale or disposition.

Rhea-AI Filing Summary

GH filed a Rule 144 notice identifying multiple classes of Common Stock and equity awards subject to sale or disposition. The excerpt lists specific lots, dates and quantities including open market purchases, restricted stock units, stock options and founder shares with entries such as 100,000 founder shares (09/22/2018) and smaller award lots dated between 2020 and 2024.

Insights

Securities Compliance Analyst

Routine Rule 144 disposition notice listing multiple lots and award types.

The filing lists varied securities categories — Founder Shares, Stock Options, Restricted Stock Units, and open market lots — with explicit dates and share counts for each entry. These items are consistent with customary Rule 144 reporting of proposed or anticipated dispositions.

Timing and whether sales have occurred are not shown in the excerpt; subsequent filings or resale reports would clarify execution. Cash‑flow treatment and purchaser details are not provided in the provided text.

Key Figures

Founder Shares: 100,000 shares Stock Options (12/23/2020): 23,923 shares Stock Options (08/17/2021): 23,293 shares +2 more

5 metrics

Founder Shares 100,000 shares 09/22/2018

Stock Options (12/23/2020) 23,923 shares 12/23/2020

Stock Options (08/17/2021) 23,293 shares 08/17/2021

Restricted Stock Units 6,953 shares 03/31/2024

Open Market Purchase lot 50,565 shares 11/23/2021

Key Terms

Restricted Stock Units, Founder Shares, Stock Options, Open Market Purchase

4 terms

Restricted Stock Units financial

"06/30/2024 | Restricted Stock Units | Issuer | 5653"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Founder Shares financial

"09/22/2018 | Founder Shares | Issuer | 100000"

Founder shares are the ownership stakes given to the people who start a company, often with extra voting power or protections compared with ordinary shares. For investors, they matter because founders’ control and incentives influence decisions about strategy, hiring, and whether the company sells or stays independent — like a family that keeps majority voting rights in a household decision. High founder ownership can mean stable leadership but also a risk that outside shareholders have less influence.

Stock Options financial

"12/23/2020 | Stock Options | Issuer | 23923"

Stock options are agreements that give a person the right to buy or sell a company's stock at a specific price within a certain time frame. They are often used as a reward or incentive, similar to a coupon that can be used later if the stock price rises, allowing the holder to make a profit.

Open Market Purchase regulatory

"11/23/2021 | Open Market Purchase | 50565"

An open market purchase is when a company buys its own shares on public stock exchanges the same way any investor would, rather than through a private deal. Investors care because these purchases reduce the number of shares available, can boost earnings per share and share price, signal that management thinks the stock is undervalued, and use company cash that might otherwise go to reinvestment or dividends — like a business quietly buying back its own tickets at the box office.

FAQ

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

What does GH's Form 144 disclose about planned sales?

The Form 144 lists proposed dispositions of Common Stock and equity awards by date and quantity, including a 100,000 founder share lot dated 09/22/2018. It does not state whether sales were completed.

Which types of securities are listed in the GH excerpt?

The excerpt lists Founder Shares, Stock Options, Restricted Stock Units, and open market purchase lots as classes of Common Stock with associated dates and share counts.

Are specific share counts and dates provided in GH's filing?

Yes. Examples include 100,000 founder shares (09/22/2018), option lots such as 23,923 shares (12/23/2020), and multiple RSU lots in 2024 with counts shown in the excerpt.

Does the excerpt state how the securities will be sold?

The excerpt includes terms like Open Market Purchase for some lots, but the broader plan of distribution or specific sale mechanics are not provided in the provided text.

Who is the broker/dealer identified in the excerpt?

The excerpt names Stifel Nicolaus & Company Inc at 501 N Broadway St. Louis MO 63102, associated with the listed securities entries.

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 05/12/2026 - 06:13 PM 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	0001753159
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	Talasaz AmirAli
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	Officer

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	260000	26083200.00	132599929	05/12/2026	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 Stock	11/23/2021	Open Market Purchase	Open Market			50565	11/23/2021	Cash
Common Stock	06/30/2024	Restricted Stock Units	Issuer			5653	06/30/2024	Equity Compensation
Common Stock	03/13/2023	Open Market Purchase	Open Market			40000	03/13/2023	Cash
Common Stock	03/14/2023	Open Market Purchase	Open Market			8500	03/14/2023	Cash
Common Stock	09/30/2024	Restricted Stock Units	Issuer			5652	09/30/2024	Equity Compensation
Common Stock	03/31/2024	Restricted Stock Units	Issuer			6952	03/31/2024	Equity Compensation
Common Stock	12/23/2020	Stock Options	Issuer			23923	12/23/2020	Equity Compensation
Common Stock	08/17/2021	Stock Options	Issuer			23293	08/17/2021	Equity Compensation
Common Stock	08/24/2021	Stock Options	Issuer			630	08/24/2021	Equity Compensation
Common Stock	09/22/2018	Founder Shares	Issuer			100000	09/22/2018	Founder Shares

* 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	Shares were sold out of Talasaz & Eskandari 2017 Family Trust
Date of Notice	05/12/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	12/05/2025
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	/s/ Brian Schneiweiss, as a duly authorized representative of STIFEL, as attorney-in-fact for AmirAli Talasaz
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)