Guardant Health (GH) CFO sells 2,000 shares in open-market trade

Rhea-AI Filing Summary

Guardant Health, Inc. Chief Financial Officer Michael Brian Bell sold 2,000 shares of common stock in an open-market transaction. The shares were sold at a weighted average price of $128.6203 per share. Following this sale, he directly holds 47,509 shares of Guardant Health common stock.

The footnote explains that the sale occurred through multiple trades at prices ranging from $128.620 to $128.955 per share, and detailed trade-level information is available upon request.

Insider Trade Summary

Net Seller: 2,000 shares ($257,241)

Net Sell 1 txn

Insider Bell Michael Brian

Role Chief Financial Officer

Sold 2,000 shs ($257K)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,000	$128.6203	$257K

Holdings After Transaction: Common Stock — 47,509 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares sold: 2,000 shares Weighted average sale price: $128.6203 per share Shares held after transaction: 47,509 shares +1 more

4 metrics

Shares sold 2,000 shares Open-market sale of Guardant Health common stock

Weighted average sale price $128.6203 per share Average price across multiple sale transactions

Shares held after transaction 47,509 shares Directly owned by CFO following the sale

Sale price range $128.620–$128.955 per share Range of prices for individual sale trades

Key Terms

open-market sale, weighted average sales price, Form 4, non-derivative

4 terms

open-market sale financial

"The sale was an open-market transaction at a weighted average price of $128.6203 per share."

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

weighted average sales price financial

"Represents the weighted average sales price per share."

Form 4 regulatory

"as disclosed in a Form 4 insider trading report."

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

non-derivative financial

"The sale was an open-market transaction coded as a non-derivative sale."

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Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Bell Michael Brian

(Last) (First) (Middle)

3100 HANOVER STREET

(Street)

PALO ALTO CALIFORNIA 94304

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Guardant Health, Inc. [ GH ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/05/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/05/2026		S		2,000	D	$128.6203(1)	47,509	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents the weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $128.620 to $128.955. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

Remarks:

	/s/ John G. Saia, as attorney-in-fact for Michael Brian Bell	06/08/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Guardant Health (GH) report for its CFO?

Guardant Health reported that Chief Financial Officer Michael Brian Bell sold 2,000 shares of common stock. The sale was an open-market transaction at a weighted average price of $128.6203 per share, as disclosed in a Form 4 insider trading report.

At what price did the Guardant Health (GH) CFO sell his shares?

The CFO’s 2,000 Guardant Health shares were sold at a weighted average price of $128.6203 per share. A footnote notes multiple trades within a price range from $128.620 to $128.955, with detailed breakdowns available upon request.

How many Guardant Health (GH) shares does the CFO hold after this sale?

After selling 2,000 shares, Guardant Health’s CFO Michael Brian Bell directly holds 47,509 shares of the company’s common stock. This post-transaction holding figure comes directly from the Form 4 insider ownership disclosure section.

Was the Guardant Health (GH) CFO’s transaction an open-market sale?

Yes. The Form 4 describes the transaction as an open-market sale of common stock, coded as “S” for sale. The reporting fields explicitly classify it as a non-derivative transaction and an open-market sale rather than an option exercise or private grant.

Does the Guardant Health (GH) Form 4 disclose trade-level price details?

The filing states that the reported price is a weighted average, with actual trades executed between $128.620 and $128.955 per share. It also notes that full trade-by-trade price and share details are available from the reporting person or issuer upon request.