Guardant Health director sells 116 shares at $175

A Guardant Health director reported routine RSU vesting into shares and a small planned sale of common stock under a Rule 10b5-1 trading plan.

Rhea-AI Filing Summary

Guardant Health, Inc. (GH) director Tariq Musa reported a small set of equity transactions involving company stock. On September 15, 2026, 249 Restricted Stock Units vested and were converted into 249 shares of common stock, increasing his directly held common shares. The same RSU award, granted on March 6, 2023, vests over four years, with 25% having vested on March 15, 2024 and the remaining 75% vesting monthly over the following three years, leaving 1,500 RSUs reported as outstanding after this vesting event. On September 16, 2026, he sold 116 shares of common stock at a reported price of $175.00 per share in a transaction affirmed as made under a Rule 10b5-1 trading plan.

Insider Trade Summary 10b5-1

Exercise and sale activity reported; no spread calculated

Exercise and Sale 3 txns

Insider Tariq Musa

Role Director

Sold 116 shs ($20K)

Approx. gross sale proceeds $20K

Approx. exercise cost $0.00

Type	Security	Shares	Price	Value
Sale	Common Stock	116	$175.00	$20K
Exercise	Restricted Stock Units F1, F2	249	$0.00	$0.00
Exercise	Common Stock	249	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 1,500 contracts (Direct); Common Stock — 11,449 shares (Direct)

Footnotes (2)

1. F1. The restricted stock unit award granted on March 6, 2023 vests over a four-year period. 25% of the shares subject to such award vested on March 15, 2024 and the remaining 75% vests monthly for the three-year period thereafter.
2. F2. Not applicable for Restricted Stock Units.

Key Figures

Common shares sold: 116 shares Sale price per share: $175.00 per share RSUs vested and converted: 249 Restricted Stock Units +3 more

6 metrics

Common shares sold 116 shares Sale of common stock on September 16, 2026 by director Tariq Musa

Sale price per share $175.00 per share Price for 116 common shares sold on September 16, 2026

RSUs vested and converted 249 Restricted Stock Units RSUs vested into 249 common shares on September 15, 2026

Remaining RSU holdings 1,500 Restricted Stock Units Direct RSU position reported after the September 15, 2026 vesting transaction

Initial RSU vesting tranche 25% of award First vesting of the March 6, 2023 RSU grant on March 15, 2024

Remaining RSU vesting period 3 years of monthly vesting Schedule for the remaining 75% of the March 6, 2023 RSU award

Key Terms

Restricted Stock Units, vests monthly

2 terms

Restricted Stock Units financial

"The restricted stock unit award granted on March 6, 2023 vests over a four-year period."

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.

vests monthly financial

"and the remaining 75% vests monthly for the three-year period thereafter."

FAQ

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

What transactions did Guardant Health (GH) director Tariq Musa report in this Form 4?

He reported 249 Restricted Stock Units vesting into 249 shares of Guardant Health common stock on September 15, 2026, and a sale of 116 shares of common stock at $175.00 per share on September 16, 2026, all under a Rule 10b5-1 trading plan.

How many Guardant Health (GH) shares did Tariq Musa sell and at what price?

On September 16, 2026, Tariq Musa sold 116 shares of Guardant Health common stock at a reported price of $175.00 per share, in a transaction affirmed as conducted under a Rule 10b5-1 trading plan.

What RSU vesting activity for Guardant Health (GH) did the Form 4 disclose?

The filing shows 249 Restricted Stock Units vested on September 15, 2026 and were converted into 249 shares of common stock. The footnote states this RSU award was granted on March 6, 2023 and vests over a four-year period.

What is the vesting schedule of Tariq Musa’s Guardant Health (GH) RSU award?

The RSU award granted on March 6, 2023 vests over four years: 25% of the shares vested on March 15, 2024, and the remaining 75% vests monthly over the following three-year period, leaving 1,500 RSUs reported as outstanding after the September 15, 2026 vesting.

Were Tariq Musa’s Guardant Health (GH) transactions made under a Rule 10b5-1 plan?

Yes. The Form 4 affirms that the reported transactions, including the 116-share sale at $175.00 and the RSU vesting into 249 shares, were conducted under a Rule 10b5-1 trading plan.

How many Guardant Health (GH) Restricted Stock Units does Tariq Musa report remaining after this Form 4?

After the September 15, 2026 vesting and conversion of 249 RSUs, the Form 4 shows a remaining position of 1,500 Restricted Stock Units held directly by Tariq Musa.

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

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Available on EDGAR 09/17/2026 - 05:09 PM Accepted by SEC EDGAR 09/17/2026 - 05:09 PM 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).

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^*

Tariq Musa

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/15/2026

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	09/15/2026		M		249	A	$0	11,565	D
Common Stock	09/16/2026		S		116	D	$175	11,449	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	09/15/2026		M			249	(1)	(2)	Common Stock	249	$0	1,500	D

Explanation of Responses:

1. The restricted stock unit award granted on March 6, 2023 vests over a four-year period. 25% of the shares subject to such award vested on March 15, 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 Musa Tariq	09/17/2026
	** 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)