STOCK TITAN

Guardant Health (GH) CTO vests RSUs; stock withheld to cover taxes

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Guardant Health Chief Technology Officer Darya Chudova reported routine equity compensation activity involving restricted stock units and related tax withholding. On July 1, 2026, several restricted stock unit awards converted into common stock, reflected as multiple exercise transactions.

In connection with the vesting, 4,318 shares of common stock were retained by Guardant Health at $170.77 per share to cover her tax withholding obligations, as described in the footnotes. Following these transactions, Chudova directly held 78,373 shares of Guardant Health common stock.

Positive

  • None.

Negative

  • None.
Insider Chudova Darya
Role Chief Technology Officer
Type Security Shares Price Value
Exercise Restricted Stock Units 1,339 $0.00 --
Exercise Restricted Stock Units 1,667 $0.00 --
Exercise Restricted Stock Units 3,324 $0.00 --
Exercise Restricted Stock Units 1,700 $0.00 --
Exercise Common Stock 1,339 $0.00 --
Exercise Common Stock 1,667 $0.00 --
Exercise Common Stock 3,324 $0.00 --
Exercise Common Stock 1,700 $0.00 --
Tax Withholding Common Stock 4,318 $170.77 $737K
Holdings After Transaction: Restricted Stock Units — 1,340 shares (Direct, null); Common Stock — 76,000 shares (Direct, null)
Footnotes (1)
  1. These shares were retained by the Company in order to meet the tax withholding obligations of the award-holder in connection with the vesting of an installment of the restricted stock units. The amount retained by the Company was not in excess of the amount of the tax liability. This represents a restricted stock unit award granted on November 7, 2022 that vests over a four-year period. 25% of the shares subject to such award vested on October 1, 2023 and the remaining 75% of the shares vests in equal quarterly installments over the remaining three-year period thereafter. Not applicable for Restricted Stock Units. This represents a restricted stock unit award granted on December 13, 2023 that vests over a three-year period. 33% of the shares subject to such award vested on October 1, 2024 and the remaining 67% of the shares vests in equal quarterly installments over the remaining two-year period thereafter. This represents a restricted stock unit award granted on November 8, 2024 that vests over a three-year period. 33% of the shares subject to such award vested on October 1, 2025 and the remaining 67% of the shares vests in equal quarterly installments over the remaining two-year period thereafter. This represents a restricted stock unit award granted on March 12, 2025 that vests over a three-year period. 33% of the shares subject to such award vested on April 1, 2026 and the remaining 67% of the shares vest in equal quarterly installments over the remaining two-year period thereafter.
Tax withholding shares 4,318 shares Common stock retained by company at $170.77 to cover tax obligations
Tax withholding price $170.77 per share Price for 4,318 shares retained to meet tax liability
Shares after transactions 78,373 shares Direct common stock holdings following July 1, 2026 activity
RSU exercises 8,030 shares Shares acquired via derivative exercises coded “M” on July 1, 2026
Derivative transactions count 4 transactions Restricted Stock Unit derivative entries coded “M” in the filing
Restricted Stock Units financial
"This represents a restricted stock unit award granted on November 7, 2022 that 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.
tax withholding obligations financial
"These shares were retained by the Company in order to meet the tax withholding obligations of the award-holder in connection with the vesting."
derivative security financial
"transaction_code_description: Exercise or conversion of derivative security"
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.
vesting financial
"25% of the shares subject to such award vested on October 1, 2023 and the remaining 75% of the shares vests in equal quarterly installments."
Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.
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Learn about SEC filing dates
SEC Form 4
FORM 4UNITED 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*
Chudova Darya

(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)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Technology Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/01/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock07/01/2026M1,339A$076,000D
Common Stock07/01/2026M1,667A$077,667D
Common Stock07/01/2026M3,324A$080,991D
Common Stock07/01/2026M1,700A$082,691D
Common Stock07/01/2026F4,318(1)D$170.7778,373D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units$007/01/2026M1,339 (2) (3)Common Stock1,339$01,340D
Restricted Stock Units$007/01/2026M1,667 (4) (3)Common Stock1,667$01,668D
Restricted Stock Units$007/01/2026M3,324 (5) (3)Common Stock3,324$016,620D
Restricted Stock Units$007/01/2026M1,700 (6) (3)Common Stock1,700$011,903D
Explanation of Responses:
1. These shares were retained by the Company in order to meet the tax withholding obligations of the award-holder in connection with the vesting of an installment of the restricted stock units. The amount retained by the Company was not in excess of the amount of the tax liability.
2. This represents a restricted stock unit award granted on November 7, 2022 that vests over a four-year period. 25% of the shares subject to such award vested on October 1, 2023 and the remaining 75% of the shares vests in equal quarterly installments over the remaining three-year period thereafter.
3. Not applicable for Restricted Stock Units.
4. This represents a restricted stock unit award granted on December 13, 2023 that vests over a three-year period. 33% of the shares subject to such award vested on October 1, 2024 and the remaining 67% of the shares vests in equal quarterly installments over the remaining two-year period thereafter.
5. This represents a restricted stock unit award granted on November 8, 2024 that vests over a three-year period. 33% of the shares subject to such award vested on October 1, 2025 and the remaining 67% of the shares vests in equal quarterly installments over the remaining two-year period thereafter.
6. This represents a restricted stock unit award granted on March 12, 2025 that vests over a three-year period. 33% of the shares subject to such award vested on April 1, 2026 and the remaining 67% of the shares vest in equal quarterly installments over the remaining two-year period thereafter.
Remarks:
Table I includes 259 shares acquired under Guardant Health's Employee Stock Purchase Plan on 5/14/2026.
/s/ John G. Saia, as attorney-in-fact for Darya Chudova07/02/2026
** Signature of Reporting PersonDate
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 Darya Chudova?

Guardant Health reported that Chief Technology Officer Darya Chudova had restricted stock units vest into common stock, with part of the resulting shares retained by the company to satisfy tax withholding obligations. These transactions were recorded as derivative exercises and a tax-withholding disposition.

How many Guardant Health shares were withheld for taxes in this Form 4?

The company retained 4,318 shares of Guardant Health common stock at $170.77 per share to cover Darya Chudova’s tax withholding obligations arising from the vesting of restricted stock units, according to the transactional data and accompanying footnote disclosure.

How many Guardant Health shares does Darya Chudova hold after these transactions?

After the reported transactions, Chief Technology Officer Darya Chudova directly held 78,373 shares of Guardant Health common stock. This figure reflects her position immediately following the vesting of restricted stock units and the company’s retention of shares to meet tax withholding obligations.

What types of equity awards are involved in this Guardant Health (GH) Form 4?

The filing involves Restricted Stock Units that convert into Guardant Health common stock. Several RSU awards granted between 2022 and 2025 vested in scheduled installments, leading to derivative exercises and the issuance of common shares described in the transaction records.

Was there an open-market sale of Guardant Health shares by Darya Chudova?

The Form 4 does not show any open-market sale. It records a tax-withholding disposition coded “F,” where 4,318 shares were retained by Guardant Health to meet tax obligations tied to RSU vesting, rather than a discretionary sale in the market.

How many Guardant Health shares were obtained through RSU exercises in this filing?

The transaction summary indicates 8,030 shares were acquired through derivative exercises coded “M,” corresponding to restricted stock units converting into common stock. These exercises reflect scheduled vesting of previously granted RSU awards rather than new open-market purchases.