Guardant Health (GH) Chief People Officer sells 3,832 shares in open market

Rhea-AI Filing Summary

Guardant Health Chief People Officer sells shares in open market

Guardant Health, Inc.'s Chief People Officer, Terilyn J. Monroe, reported an open-market sale of 3,832 shares of Common Stock at $92.68 per share. After this transaction, she continues to hold 20,990 Guardant Health shares directly.

Insider Trade Summary 10b5-1

Net Seller: 3,832 shares ($355,150)

Net Sell 1 txn

Insider Monroe Terilyn J.

Role Chief People Officer

Sold 3,832 shs ($355K)

Type	Security	Shares	Price	Value
Sale	Common Stock	3,832	$92.68	$355K

Holdings After Transaction: Common Stock — 20,990 shares (Direct)

Footnotes (1)

Key Figures

Shares sold: 3,832 shares Sale price per share: $92.68 per share Shares held after sale: 20,990 shares

3 metrics

Shares sold 3,832 shares Open-market sale of Common Stock

Sale price per share $92.68 per share Price for the 3,832 shares sold

Shares held after sale 20,990 shares Direct holdings following the transaction

Key Terms

open-market sale, Common Stock, Form 4

3 terms

open-market sale financial

"transaction_action: "open-market sale""

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.

Common Stock financial

"security_title: "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

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.

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).

X

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^*

Monroe Terilyn J.

(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 People Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/06/2026

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	04/06/2026		S		3,832	D	$92.68	20,990	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:

Remarks:

	/s/ John G. Saia, as attorney-in-fact for Terilyn J. Monroe	04/07/2026
	** 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 Terilyn J. Monroe?

Guardant Health reported that Chief People Officer Terilyn J. Monroe completed an open-market sale of 3,832 shares of Common Stock. The transaction was recorded on Form 4 and reflects a routine disposition of a portion of her directly held shares.

How many Guardant Health (GH) shares did the Chief People Officer sell and at what price?

Terilyn J. Monroe sold 3,832 shares of Guardant Health Common Stock at a price of $92.68 per share. This was an open-market transaction disclosed in a Form 4 insider filing with the SEC for transparency to shareholders.

How many Guardant Health (GH) shares does Terilyn J. Monroe hold after the reported sale?

Following the sale, Terilyn J. Monroe directly holds 20,990 shares of Guardant Health Common Stock. This post-transaction holding level is disclosed in the Form 4 to show her continuing equity position after the open-market sale.

What does transaction code "S" mean in the Guardant Health (GH) Form 4 filing?

In this Form 4, transaction code "S" indicates a sale of Common Stock in the open market or a private transaction. The filing explicitly labels Monroe’s activity as an open-market sale, clarifying that it was a standard sell transaction.

Is the Guardant Health (GH) insider transaction categorized as a buy or sell?

The transaction is categorized as a sell. The Form 4 describes it as an open-market sale of 3,832 shares, and the structured data identifies the transaction direction as a sale, with zero shares reported as purchased in this filing.