Chudova Darya 4

4 · Guardant Health, Inc. · Filed May 19, 2026

AI-generated summary of this filing

Updated May 19, 2026

Guardant Health (GH) CTO Darya Chudova Vests RSUs; Shares Withheld

What Happened

Darya Chudova, Chief Technology Officer of Guardant Health, had 8,705 restricted stock units convert/vest on May 15, 2026. The company withheld 4,679 shares to cover tax withholding at $94.92 per share (total withheld value $444,131). After withholding, 4,026 shares were delivered to Chudova.
Transaction codes: M (exercise/conversion of derivative — conversion of RSUs into shares) and F (shares withheld to satisfy tax withholding). This is a routine compensation vesting event, not an open-market purchase or sale by the insider.

Key Details

Transaction date: May 15, 2026. Report filed: May 19, 2026 (timely).
Vesting/conversion: 8,705 shares issued at $0.00 (conversion of RSUs).
Tax withholding: 4,679 shares withheld at $94.92 each = $444,131.
Net shares delivered to insider: 4,026 shares.
Footnotes: F1 — shares retained by the company to meet tax withholding (not in excess of the tax liability); F2 — award was an RSU granted Aug 7, 2023 with multi-year vesting; F3 — not applicable for RSUs.

Context

This was a cashless tax-withholding on vested RSUs (common for employee equity grants). It does not represent an open-market sale or a purchase signal by the insider, but simply the conversion of compensation into shares and the company withholding shares to cover taxes.
No indication of unusual timing or tardy filing; the Form 4 was filed within required business-day windows.

Form 4

Period: 2026-05-15

Chief Technology Officer

Transactions

Exercise/Conversion
Common Stock
2026-05-15+8,705→ 79,081 total
Tax Payment
Common Stock
[F1]
2026-05-15$94.92/sh−4,679$444,131→ 74,402 total
Exercise/Conversion
Restricted Stock Units
[F2][F3]
2026-05-15−8,705→ 8,706 total
Exercise: $0.00→ Common Stock (8,705 underlying)

Footnotes (3)

[F1]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.
[F2]This represents a restricted stock unit award granted on August 7, 2023 and vests over a four-year period. 25% of the shares subject to such award vested on May 15, 2024 and the remaining 75% vests annually during the three-year period thereafter.
[F3]Not applicable for Restricted Stock Units.

Signature

/s/ John G. Saia, as attorney-in-fact for Darya Chudova|2026-05-19

1 file