FiledJun 4, 2026 - 8:00 PM ET

GHGuardant Health, Inc.Nasdaq

Officer Helmy Eltoukhy proposes to sell 100,000 shares

144Insider / OwnershipbearishImpact56

GH Price

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N/A$0.00 (+0.00%)

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Why It Matters

This is an insider liquidity notice; the proposed size is small relative to outstanding shares

Summary

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Helmy Eltoukhy, an officer of Guardant Health, filed a Form 144 proposing to sell 100,000 common shares with aggregate market value about $12.63M. The sale is proposed for on or about June 5, 2026 and represents ~0.075% of shares outstanding. No prior three-month sales are reported

Score56

Score Rationale

bearish

Proposed sale ≈$12.6M; small percent (0.075%) of shares outstanding.

Bearish

Proposes to sell 100,000 shares (~$12.63M).
Proposed sale filed under Rule 144 (planned, not executed).
Approximate sale date: June 5, 2026.

Key Evidence

Form 144 proposed sale notice filed
Seller: officer Helmy Eltoukhy
100,000 shares; aggregate market value $12,629,970; approx. sale date 06/05/2026

What To Watch Next

Any Form 4 reporting actual sale execution
Broker trading or prints near June 5, 2026
Additional insider filings within 90 days

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GH Market Context

SectorHealthcare

IndustryMedical Devices & Diagnostics

Market Cap$16.66B

Shares Outstanding132.6M

Public Float127.81M

Public Float %96.4%

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Original Filing Text

SEC filing text preserved from the raw item store.

### 144
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 | 0001752968
|
Filer CCC | XXXXXXXX
|

CALIFORNIA

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
|

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:

* 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 | |

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

### 144
144

0001752968
XXXXXXXX

LIVE

0001576280
Guardant Health, Inc.
001-38683

3100 HANOVER STREET
PALO ALTO
CA
94304

855-698-8887
Eltoukhy Helmy

Officer

Common Stock

Stifel Nicolaus & Company Inc

501 N Broadway
St. Louis
MO
63102

100000
12629970.00
132599929
06/05/2026
Nasdaq

Common Stock
03/12/2025
Restricted Stock Units
Issuer
N
2374
03/12/2025
Equity Compensation

Common Stock
03/31/2025
Restricted Stock Units
Issuer
N
9612
03/31/2025
Equity Compensation

Common Stock
04/01/2025
Restricted Stock Units
Issuer
N
11835
04/01/2025
Equity Compensation

Common Stock
06/30/2025
Restricted Stock Units
Issuer
N
2374
06/30/2025
Equity Compensation

Common Stock
07/01/2025
Restricted Stock Units
Issuer
N
11835
07/01/2025
Equity Compensation

Common Stock
09/30/2025
Restricted Stock Units
Issuer
N
2374
09/30/2025
Equity Compensation

Common Stock
10/01/2025
Restricted Stock Units
Issuer
N
11835
10/01/2025
Equity Compensation

Common Stock
12/31/2025
Restricted Stock Units
Issuer
N
2374
12/31/2025
Equity Compensation

Common Stock
01/01/2026
Restricted Stock Units
Issuer
N
32090
01/01/2026
Equity Compensation

Common Stock
03/13/2026
Restricted Stock Units
Issuer
N
13297
03/13/2026
Equity Compensation

06/05/2026
/s/ Brian Schneiweiss, as a duly authorized representative of STIFEL, as attorney-in-fact for Helmy Eltoukhy