Guardant Health director reports RSU vesting and share acquisition

Guardant Health, Inc. director reports RSU vesting and share acquisition.

Rhea-AI Filing Summary

Guardant Health, Inc. director reports RSU vesting and share acquisition. On 12/17/2025, reporting person Manuel Hidalgo Medina acquired 232 shares of Guardant Health common stock at a price of $0 through the settlement of previously granted restricted stock units, reported with transaction code M.

The restricted stock units were granted on July 17, 2024 and vest over four years, with 25% of the shares vesting on the one-year anniversary of that date and the remaining 75% vesting monthly over the following three years. After this transaction, the reporting person beneficially owns 1,029 shares of common stock directly and 7,193 restricted stock units.

Insider Trade Summary

232 shares exercised/converted

Exercise 2 txns

Insider Hidalgo Medina Manuel

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	232	$0.00	$0.00
Exercise	Common Stock	232	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 7,193 contracts (Direct); Common Stock — 1,029 shares (Direct)

Footnotes (2)

1. F1. The restricted stock unit granted on July 17, 2024 vests over a four-year period. 25% of the shares subject to such award vested on the one-year anniversary of July 17, 2024 and the remaining 75% vests monthly for the three-year period thereafter.
2. F2. Not applicable for Restricted Stock Units.

FAQ

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

What insider transaction did Guardant Health (GH) report in this Form 4?

The filing reports that director Manuel Hidalgo Medina acquired 232 shares of Guardant Health common stock on 12/17/2025 through the settlement of restricted stock units at a price of $0 per share.

How many Guardant Health (GH) shares does the reporting person own after this transaction?

Following the reported transaction, the reporting person beneficially owns 1,029 shares of Guardant Health common stock directly, plus 7,193 restricted stock units.

What is the vesting schedule for the Guardant Health (GH) restricted stock units?

The restricted stock units were granted on July 17, 2024. 25% of the shares vested on the one-year anniversary of that date, and the remaining 75% vest monthly over the following three years.

What does transaction code M mean in this Guardant Health (GH) Form 4?

Transaction code M indicates an exercise or conversion of a derivative security, in this case the settlement of restricted stock units into 232 shares of Guardant Health common stock at $0.

What role does the reporting person hold at Guardant Health (GH)?

The reporting person is identified as a Director of Guardant Health, Inc. on the Form 4.

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

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Accepted by SEC EDGAR 12/18/2025 - 06:34 PM EST Learn about SEC filing dates

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^*

Hidalgo Medina Manuel

(Last) (First) (Middle)

3100 HANOVER STREET

(Street)

PALO ALTO CA 94304

(City) (State) (Zip)

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

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

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

3. Date of Earliest Transaction (Month/Day/Year)
12/17/2025

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

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

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

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	12/17/2025		M		232	A	$0	1,029	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
Restricted Stock Units	$0	12/17/2025		M			232	(1)	(2)	Common Stock	232	$0	7,193	D

Explanation of Responses:

1. The restricted stock unit granted on July 17, 2024 vests over a four-year period. 25% of the shares subject to such award vested on the one-year anniversary of July 17, 2024 and the remaining 75% vests monthly for the three-year period thereafter.

2. Not applicable for Restricted Stock Units.

Remarks:

	/s/ John G. Saia, as attorney-in-fact for Manuel Hidalgo Medina	12/18/2025
	** 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.