GH Filing
4Filing Date: Jun 23, 2026
Guardant Health, Inc. (GH) · Insider Trading (Form 4) SEC Filing
Statement of Changes in Beneficial Ownership
descriptionView SEC Filing
ACC: 0001258394-26-000012open_in_new
Total Value$0
Trades4
Insiders1
Transaction Details
MIGNONE ROBERTO
Director·Direct
Exercise · Acquire
Common Stock
Shares+264
Price$0.00
Total Value$0
Shares Owned After9.48K
Transaction DateJun 21, 2026
MIGNONE ROBERTO
Director·Direct
Exercise · Dispose
Restricted Stock UnitsDerivative
Shares-264
Price$0.00
Total Value$0
Shares Owned After7.39K
Transaction DateJun 21, 2026
Footnotes ▸
The restricted stock unit award granted on November 8, 2024 vests over a four-year period. 25% of the shares subject to such award vested on October 21, 2025 and the remaining 75% vests monthly for the three-year period thereafter. | Not applicable for Restricted Stock Units.
MIGNONE ROBERTO
Director·Direct
Exercise · Dispose
Restricted Stock UnitsDerivative
Shares-264
Price$0.00
Total Value$0
Shares Owned After7.66K
Transaction DateMay 21, 2026
Footnotes ▸
The restricted stock unit award granted on November 8, 2024 vests over a four-year period. 25% of the shares subject to such award vested on October 21, 2025 and the remaining 75% vests monthly for the three-year period thereafter. | Not applicable for Restricted Stock Units.
MIGNONE ROBERTO
Director·Direct
Exercise · Acquire
Common Stock
Shares+264
Price$0.00
Total Value$0
Shares Owned After9.22K
Transaction DateMay 21, 2026
Post-Transaction Holdings
MIGNONE ROBERTO
| Security | Shares | Change |
|---|---|---|
| Common Stock | 9.48K | +528 (5.90%) |
| Restricted Stock Units | 7.39K | -528 (-6.67%) |
Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership ===
Document Type: 4
Period of Report: 2026-05-21
10b5-1 Pre-arranged Plan: No
--- Issuer ---
Name: Guardant Health, Inc. (GH)
CIK: 0001576280
--- Reporting Owner ---
Name: MIGNONE ROBERTO
CIK: 0001258394
Role: Director
--- Non-Derivative Transactions ---
[Transaction #1]
Security: Common Stock
Date: 2026-05-21 | Code: M (Exercise of derivative)
Shares: +264 | Price: $0.00
Shares Owned After: 9,218 | Ownership: D (Direct)
[Transaction #2]
Security: Common Stock
Date: 2026-06-21 | Code: M (Exercise of derivative)
Shares: +264 | Price: $0.00
Shares Owned After: 9,482 | Ownership: D (Direct)
--- Derivative Transactions ---
[Transaction #1]
Security: Restricted Stock Units
Date: 2026-05-21 | Code: M (Exercise of derivative)
Shares: -264 | Price: $0.00
Shares Owned After: 7,656 | Ownership: D (Direct)
Footnotes:
[F1] The restricted stock unit award granted on November 8, 2024 vests over a four-year period. 25% of the shares subject to such award vested on October 21, 2025 and the remaining 75% vests monthly for the three-year period thereafter.
[F2] Not applicable for Restricted Stock Units.
[Transaction #2]
Security: Restricted Stock Units
Date: 2026-06-21 | Code: M (Exercise of derivative)
Shares: -264 | Price: $0.00
Shares Owned After: 7,392 | Ownership: D (Direct)
Footnotes:
[F1] The restricted stock unit award granted on November 8, 2024 vests over a four-year period. 25% of the shares subject to such award vested on October 21, 2025 and the remaining 75% vests monthly for the three-year period thereafter.
[F2] Not applicable for Restricted Stock Units.
--- Footnotes (Complete Index) ---
F1: The restricted stock unit award granted on November 8, 2024 vests over a four-year period. 25% of the shares subject to such award vested on October 21, 2025 and the remaining 75% vests monthly for the three-year period thereafter.
F2: Not applicable for Restricted Stock Units.
--- Signature ---
/s/ /s/ John G. Saia, as attorney-in-fact for Roberto A. Mignone (2026-06-23)