Talasaz AmirAli 4

What Happened

• AmirAli Talasaz, CEO of Guardant Health (GH), exercised stock options and sold common shares in open-market transactions. He exercised 254,832 shares at $4.18 per share (total exercise cost ≈ $1,065,198) and sold a total of 260,000 shares in multiple trades for aggregate proceeds of about $39,312,654. Net cash proceeds after exercise cost were roughly $38.25M.
• The transactions occurred on June 26 and June 29, 2026. The filing (Form 4) was submitted on June 30, 2026 and appears timely.

Key Details

• Transaction dates: 2026-06-26 and 2026-06-29.
• Exercise details: 111,804 shares (6/26) and 143,028 shares (6/29) exercised at $4.18 per share; exercise cost ≈ $1,065,198 total. Two additional derivative conversion lines at $0 reflect internal conversion reporting of the exercised instruments.
• Sales details: Six open-market sale line items totaling 260,000 shares at weighted-average prices in ranges noted in footnotes (overall proceeds ≈ $39,312,654). Footnotes F1–F4 give per-trade price ranges and note weighted-average reporting; detailed per-price breakdown is available on request.
• Vesting: Footnote F5 notes the underlying stock option vested in equal monthly installments over 48 months starting April 23, 2017 (i.e., the award has been vesting since 2017).
• Shares owned after transactions: Not specified in the provided excerpt of the filing.
• Timeliness: Filing dated 2026-06-30 for trades on 6/26 and 6/29; appears to meet Form 4 reporting timelines (not marked late).

Context

• These transactions appear to be an exercise of vested options followed by open-market sales (commonly a cashless exercise or immediate sell to cover exercise/tax obligations). Derivative reporting at $0 simply reflects conversion/reporting of the derivative instrument and is standard in Form 4s.
• Sales by executives can be routine (liquidity/tax planning) and do not by themselves indicate company performance; purchases generally carry more weight as a signal of insider confidence. This summary is factual and does not infer motivation.