STOCK TITAN

Guardant Health (GH) CTO nets new shares after RSU vesting and tax withholding

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 tied to vesting restricted stock units. On April 1, 2026, she acquired a total of 13,029 shares of Guardant Health common stock through the exercise and conversion of multiple restricted stock unit awards at a stated price of $0.00 per share.

To cover tax withholding obligations upon vesting, 7,005 shares were retained by the company at a price of $91.15 per share, as described in the footnotes. After these compensation-related transactions and tax withholding, Chudova directly holds 70,376 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 6,699 $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 6,699 $0.00 --
Tax Withholding Common Stock 7,005 $91.15 $639K
Holdings After Transaction: Restricted Stock Units — 2,679 shares (Direct); Common Stock — 65,691 shares (Direct)
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 vests in equal quarterly installments over the remaining two-year period thereafter.
RSU shares exercised 13,029 shares Total underlying common shares from RSU exercises on April 1, 2026
Shares withheld for taxes 7,005 shares Common stock retained by company to satisfy tax obligations
Tax withholding price $91.15 per share Price used for 7,005-share tax-withholding disposition
Post-transaction holdings 70,376 shares Common stock directly owned by CTO after April 1, 2026 transactions
Single RSU conversion lot 6,699 shares Largest individual RSU tranche converted into common stock
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."
vests in equal quarterly installments financial
"The remaining shares vests in equal quarterly installments over the remaining period thereafter."
derivative exercise/conversion financial
"transaction_action: derivative exercise/conversion for the restricted stock units into common stock."
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)
04/01/2026
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 Stock04/01/2026M1,339A$065,691D
Common Stock04/01/2026M1,667A$067,358D
Common Stock04/01/2026M3,324A$070,682D
Common Stock04/01/2026M6,699A$077,381D
Common Stock04/01/2026F7,005(1)D$91.1570,376D
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$004/01/2026M1,339 (2) (3)Common Stock1,339$02,679D
Restricted Stock Units$004/01/2026M1,667 (4) (3)Common Stock1,667$03,335D
Restricted Stock Units$004/01/2026M3,324 (5) (3)Common Stock3,324$019,944D
Restricted Stock Units$004/01/2026M6,699 (6) (3)Common Stock6,699$013,603D
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 vests in equal quarterly installments over the remaining two-year period thereafter.
Remarks:
/s/ John G. Saia, as attorney-in-fact for Darya Chudova04/02/2026
** 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 transactions did Guardant Health (GH) CTO Darya Chudova report?

Darya Chudova reported equity compensation transactions from restricted stock unit vesting. She received 13,029 Guardant Health common shares through derivative exercises and had 7,005 shares withheld to satisfy related tax obligations, leaving her with 70,376 directly owned shares.

How many Guardant Health (GH) shares did the CTO receive from RSU vesting?

The CTO received 13,029 shares of Guardant Health common stock from the exercise and conversion of restricted stock units. These awards were granted in prior years and vest over multi-year schedules, with installments vesting on April 1, 2026 under the described plans.

Why were 7,005 Guardant Health (GH) shares withheld from the CTO’s Form 4 filing?

7,005 shares were retained by Guardant Health to meet the CTO’s tax withholding obligations triggered by restricted stock unit vesting. The footnote states the number of shares withheld did not exceed the associated tax liability, making this a non-market, compensation-related disposition.

How many Guardant Health (GH) shares does CTO Darya Chudova own after these transactions?

Following the reported vesting and tax-withholding transactions, CTO Darya Chudova directly owns 70,376 shares of Guardant Health common stock. This figure reflects her position after receiving 13,029 shares from RSU vesting and the withholding of 7,005 shares for taxes.

Were the Guardant Health (GH) CTO’s transactions open-market buys or sales?

The transactions were not open-market trades. They involved the exercise and conversion of restricted stock units into common stock and a tax-withholding disposition, where 7,005 shares were retained by the company at $91.15 per share to cover the related tax liability.