Guardant Health director sells 116 shares after RSU vest

Guardant Health director Tariq Musa exercised equity awards and made a small stock sale.

Rhea-AI Filing Summary

Guardant Health director Tariq Musa exercised equity awards and made a small stock sale. On May 15, 2026, 250 restricted stock units converted into common shares, and on May 18, 2026 he sold 116 common shares at $95.96 each, leaving 8,662 shares held directly.

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 ($11K)

Approx. gross sale proceeds $11K

Approx. exercise cost $0.00

Type	Security	Shares	Price	Value
Sale	Common Stock	116	$95.96	$11K
Exercise	Restricted Stock Units	250	$0.00	$0.00
Exercise	Common Stock	250	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 2,499 contracts (Direct); Common Stock — 8,662 shares (Direct)

Footnotes (2)

1. F1. The restricted stock units 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

Shares sold: 116 shares Sale price per share: $95.96 per share RSUs converted: 250 RSUs +4 more

7 metrics

Shares sold 116 shares Open-market sale of common stock on May 18, 2026

Sale price per share $95.96 per share Open-market sale of 116 common shares

RSUs converted 250 RSUs Restricted stock units converted to common stock on May 15, 2026

Common shares after transactions 8,662 shares Direct holdings of common stock following reported transactions

RSUs remaining 2,499 RSUs Restricted stock units outstanding after 250-unit conversion

Award grant date March 6, 2023 Grant date for the restricted stock unit award

Initial vesting date March 15, 2024 25% of RSU award vested on this date

Key Terms

Restricted Stock Units, open-market sale, derivative security, vests monthly

4 terms

Restricted Stock Units financial

"The restricted stock units 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.

open-market sale financial

"transaction_action: "open-market sale" for the 116 common shares transaction."

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.

derivative security financial

"transaction_code_description: "Exercise or conversion of derivative security" for the RSU conversion."

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

vests monthly financial

"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 insider transactions did Guardant Health (GH) director Tariq Musa report?

Tariq Musa reported exercising 250 restricted stock units into Guardant Health common shares and selling 116 common shares in an open-market transaction. These actions were recorded as routine equity award activity and a relatively small stock sale.

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

Tariq Musa sold 116 Guardant Health common shares at a price of $95.96 per share. This open-market sale followed an equity award conversion and left him with 8,662 common shares held directly after the reported transactions.

How many Guardant Health (GH) shares does Tariq Musa hold after these transactions?

After the reported transactions, Tariq Musa directly holds 8,662 Guardant Health common shares. He also has 2,499 restricted stock units outstanding, which are scheduled to continue vesting over time according to the previously granted award terms.

What happened to Tariq Musa’s restricted stock units in Guardant Health (GH)?

On May 15, 2026, 250 restricted stock units converted into Guardant Health common shares at a stated price of $0.00 per unit. Following this conversion, 2,499 restricted stock units remain outstanding under the same award, continuing to vest over the defined schedule.

How do Tariq Musa’s Guardant Health (GH) RSUs vest over time?

The restricted stock units granted on March 6, 2023 vest over four years. Twenty-five percent vested on March 15, 2024, and the remaining 75% vest in equal monthly installments over the following three-year period, subject to the award’s standard terms.

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

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Accepted by SEC EDGAR 05/19/2026 - 06:02 PM EDT 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)
05/15/2026

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	05/15/2026		M		250	A	$0	8,778	D
Common Stock	05/18/2026		S		116	D	$95.96	8,662	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	05/15/2026		M			250	(1)	(2)	Common Stock	250	$0	2,499	D

Explanation of Responses:

1. The restricted stock units 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	05/19/2026
	** 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)