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Guardant Health (GH) CPO gains stock from RSU vesting and tax withholding

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

Rhea-AI Filing Summary

Guardant Health, Inc. Chief People Officer Terilyn J. Monroe reported routine equity compensation activity tied to restricted stock units. On April 1, 2026, she acquired 8,019 shares of common stock upon vesting and related derivative exercises, then had 4,187 shares withheld by the company to cover tax obligations at $91.15 per share. After these transactions, she directly held 24,822 shares of common stock. The filing reflects compensation and tax withholding mechanics rather than open-market buying or selling.

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Negative

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Insider Monroe Terilyn J.
Role Chief People Officer
Type Security Shares Price Value
Exercise Restricted Stock Units 2,660 $0.00 --
Exercise Restricted Stock Units 5,359 $0.00 --
Exercise Common Stock 2,660 $0.00 --
Exercise Common Stock 5,359 $0.00 --
Tax Withholding Common Stock 4,187 $91.15 $382K
Holdings After Transaction: Restricted Stock Units — 15,955 shares (Direct); Common Stock — 23,650 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 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. Not applicable for Restricted Stock Units. 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 vested 8,019 shares Restricted stock units converting into common stock on April 1, 2026
Tax withholding shares 4,187 shares Shares retained by Guardant Health to cover tax obligations
Tax withholding price $91.15 per share Price used for shares withheld for Monroe’s tax liability
Post-transaction holdings 24,822 shares Common stock directly held by Monroe after April 1, 2026 transactions
First RSU tranche 2,660 shares Common shares delivered from one RSU award on April 1, 2026
Second RSU tranche 5,359 shares Common shares delivered from another RSU award on April 1, 2026
Restricted Stock Units financial
"This represents a restricted stock unit award granted on November 8, 2024 that vests over a three-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 67% of the shares vests in equal quarterly installments over the remaining two-year period thereafter"
restricted stock unit award financial
"This represents a restricted stock unit award granted on March 12, 2025 that vests over a three-year period."
A restricted stock unit award is a promise by a company to give an employee a specified number of company shares at a future date if certain conditions are met, such as staying with the company or hitting performance goals. For investors, these awards matter because they can increase the total number of shares outstanding when converted, diluting existing holders, and they align employees’ incentives with shareholders’ interests much like giving a rising bonus that becomes real only after conditions are satisfied.
Form 4 Insider Transactions: What Each Field Means →
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*
Monroe Terilyn J.
(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 People 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 Stock04/01/2026M2,660A$023,650D
Common Stock04/01/2026M5,359A$029,009D
Common Stock04/01/2026F4,187(1)D$91.1524,822D
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$004/01/2026M2,660 (2) (3)Common Stock2,660$015,955D
Restricted Stock Units$004/01/2026M5,359 (4) (3)Common Stock5,359$010,883D
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 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.
3. Not applicable for Restricted Stock Units.
4. 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 Terilyn J. Monroe04/02/2026
** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What did Guardant Health (GH) Chief People Officer report in this Form 4?

The Form 4 shows Chief People Officer Terilyn J. Monroe received common shares from vested restricted stock units. These awards are part of her compensation and were settled in stock rather than cash, reflecting normal equity-based pay practices at Guardant Health.

How many Guardant Health shares did Terilyn J. Monroe acquire from RSU vesting?

Terilyn J. Monroe acquired 8,019 shares of Guardant Health common stock through the vesting and exercise of restricted stock units. These shares came from two RSU awards that delivered 2,660 and 5,359 underlying common shares on April 1, 2026 as part of scheduled vesting.

Were any Guardant Health shares sold on the open market in this filing?

No open-market sales were reported. The only share disposition was 4,187 shares withheld by Guardant Health to satisfy Monroe’s tax obligations on the RSU vesting, a standard non-market transaction that does not represent a discretionary sale by the executive.

At what price were Guardant Health shares withheld for taxes?

Shares were withheld for tax purposes at $91.15 per share. Guardant Health retained 4,187 common shares at this price to cover Monroe’s tax liability related to the vesting RSUs, with the footnotes confirming the amount did not exceed the associated tax obligation.

How many Guardant Health shares does Terilyn J. Monroe hold after these transactions?

Following the April 1, 2026 transactions, Terilyn J. Monroe directly holds 24,822 shares of Guardant Health common stock. This post-transaction figure reflects the net effect of RSU vesting, derivative exercises, and tax-related share withholding disclosed in the Form 4.

What do the footnotes say about Monroe’s restricted stock unit awards at Guardant Health?

The footnotes explain Monroe’s RSU awards were granted in November 2024 and March 2025, each vesting over three years. One vests 33% on an initial date with the remaining 67% in equal quarterly installments over the subsequent two-year period, outlining ongoing scheduled vesting.