Guardant Health: CEO Talasaz AmirAli exercised 36,530 shares

What happened

• AmirAli Talasaz, CEO, exercised or converted 36,530 restricted stock units into common shares on Sep 30 and Oct 1, 2026. The filing shows 18,515 shares were retained by the company to satisfy tax withholding, generating $3,240,651 in total withholding proceeds ($254,698 and $2,985,953).

Key details

• Transactions and prices reported:
  • Sep 30, 2026: conversion of 2,817 RSUs into common shares @ $0.00 per share (acquired).
  • Sep 30, 2026: 1,428 shares withheld for tax @ $178.36 per share = $254,698 (disposed).
  • Oct 1, 2026: conversion of 23,997 RSUs into common shares @ $0.00 per share (acquired).
  • Oct 1, 2026: conversion of 9,716 RSUs into common shares @ $0.00 per share (acquired).
  • Oct 1, 2026: 17,087 shares withheld for tax @ $174.75 per share = $2,985,953 (disposed).
• Shares owned after the transaction: not provided in the filing.
• Relevant footnotes:
  • F1: Company retained shares to meet the award-holder's tax withholding obligations; the amount retained was not in excess of the tax liability.
  • F2: RSU award granted Mar 17, 2026 vesting in four equal quarterly installments (Mar 31, Jun 30, Sep 30, Dec 31).
  • F4: RSU award granted Mar 18, 2024 with 33% vested Jan 1, 2025 and remaining 67% vesting quarterly over two years.
  • F5: RSU award granted Mar 12, 2025 with 33% vested Jan 1, 2026 and remaining 67% vesting quarterly over two years.
• Filing date: Oct 2, 2026.

Why it may matter

• The filing shows RSUs converted to shares and a cashless settlement for tax purposes, with shares withheld by the company to cover tax withholding rather than a cash payment.
• The filing does not show why the insider traded or why the company acted.