Hidalgo Medina Manuel 4

What Happened
Manuel Hidalgo, a director of Guardant Health (GH), exercised stock options and sold shares on March 6, 2026. He exercised 1,000 options to acquire 1,000 shares at $32.55 each (cost $32,550) and sold 1,300 shares in open-market trades — 1,000 shares at $91.61 for $91,607 and 300 shares at $91.30 for $27,390 — for total gross proceeds of $118,997. The filing also reports a separate derivative disposition of 1,000 shares at $0 (reported as an M code disposition).

Key Details

• Transaction date: 2026-03-06 (filed 2026-03-09 — timely).
• Exercise: 1,000 shares @ $32.55 = $32,550 (code M — option exercise).
• Open-market sales: 1,000 shares @ $91.61 = $91,607; 300 shares @ $91.30 = $27,390. Total sale proceeds = $118,997.
• Additional derivative disposition: 1,000 shares @ $0 reported (M code, $0). The filing does not explain the $0 disposition.
• Shares owned after the transactions: Not specified in the excerpt of the filing.
• Footnote: The options arose from an award granted July 17, 2024 that vests over four years (25% after one year, remainder monthly over three years).

Context
Hidalgo exercised options and sold shares the same day, which is commonly reported as an exercise plus immediate sale (cashless-style) — the filing shows both the exercise and same-day open-market sales. The separate $0 disposition is disclosed but not explained in the filing. These are routine insider transactions; the filing is factual and does not state motivations.