Monroe Terilyn J. 4

What Happened

• Terilyn J. Monroe, Chief People Officer of Guardant Health, sold a total of 8,571 shares in open-market transactions on January 21, 2026, generating aggregate proceeds of approximately $977,902.
• The sale broke down into three tranches reported on the Form 4:
  • 1,703 shares at $112.34 each for $191,318
  • 3,619 shares at $113.48 each for $410,682
  • 3,249 shares at $115.70 each for $375,902
• These were dispositions (sales), which are routine insider sales and do not by themselves indicate management’s view of the company’s prospects.

Key Details

• Transaction date: 2026-01-21; Form 4 filed: 2026-01-22 (filed the next day).
• Total shares sold: 8,571; total reported proceeds: ~$977,902.
• Reported per-tranche prices are weighted averages; footnotes state the actual sales occurred across price ranges:
  • F1: 1,703-share tranche sold between $111.97 and $112.77 (weighted avg listed)
  • F2: 3,619-share tranche sold between $113.015 and $114.010
  • F3: 3,249-share tranche sold between $115.345 and $116.150
  • The reporting person has offered to provide the exact breakdown of prices on request to the SEC or holders.
• Shares owned after the transaction are not specified in the provided excerpt of the filing.
• No indication in the provided filing excerpt of a 10b5-1 plan, tax withholding, gift, or option exercise; transaction code = S (sale).

Context

• Open-market sales are common for executives for diversification or liquidity needs; they are routine and should be interpreted cautiously by investors.
• Because this filing reports sales (not purchases or option exercises followed by sales), it does not represent an additional share acquisition signal.