MIGNONE ROBERTO 4
4 · Guardant Health, Inc. · Filed Feb 23, 2026
Research Summary
AI-generated summary of this filing
Guardant Health (GH) Director Roberto Mignone Converts 264 RSUs
What Happened
- Roberto Mignone, a director of Guardant Health (GH), converted/exercised derivative securities into 264 common shares on 2026-02-21. The filing shows 264 shares acquired at $0.00 and 264 shares disposed at $0.00, with reported transaction values of $0. This appears to reflect a conversion/settlement of restricted stock units rather than a market purchase or sale.
Key Details
- Transaction date: 2026-02-21; Form filed: 2026-02-23 (timely).
- Transaction code: M (exercise or conversion of a derivative security).
- Amounts: 264 shares acquired @ $0.00; 264 shares disposed @ $0.00; reported values $0.
- Shares owned after transaction: not provided in the excerpt supplied.
- Footnote: The RSU award (granted Nov 8, 2024) vests over four years—25% after one year and the remaining 75% monthly over the next three years.
Context
- This transaction reflects conversion/settlement of derivative awards (restricted stock units) into common shares rather than an open-market buy or sale. Because no cash amount is reported, it does not represent a typical purchase or sale that would signal directional insider trading.
Insider Transaction Report
Form 4
MIGNONE ROBERTO
Director
Transactions
- Exercise/Conversion
Common Stock
2026-02-21+264→ 4,223 total - Exercise/Conversion
Restricted Stock Units
[F1][F2]2026-02-21−264→ 8,448 totalExercise: $0.00→ Common Stock (264 underlying)
Footnotes (2)
- [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 the one-year anniversary of October 21, 2024 and the remaining 75% vests monthly for the three-year period thereafter.
- [F2]Not applicable for Restricted Stock Units.
Signature
/s/ John G. Saia, as attorney-in-fact for Roberto A. Mignone|2026-02-23