MIGNONE ROBERTO 4

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.