John C.M. Farquhar, Chief Executive Officer and Director of Heartflow, Inc., filed a Form 4 on November 10, 2026, disclosing three transactions in common stock between November 6 and November 10, 2026.

Key Highlights

  • Shares withheld for taxes: 7,751 shares were disposed of on November 6, 2026, at $52.40 per share to satisfy income tax withholding related to RSU vesting and net settlement.
  • Stock option exercise: 15,620 shares were acquired on November 10, 2026, via exercise of a stock option at a conversion price of $2.22 per share.
  • Open-market sale: 38,900 shares were sold on November 10, 2026, at $55.74 per share, pursuant to a Rule 10b5-1 trading plan.
  • Remaining direct ownership: Following all reported transactions, Farquhar directly beneficially owned 251,983 shares of common stock.
  • 10b5-1 plan date: Both the option exercise and the sale were effected under a Rule 10b5-1 trading plan adopted by Farquhar on September 12, 2025.
  • Derivative securities: Farquhar held 1,969,017 stock options following the reported transactions, with an exercise price of $2.22 and an expiration date of July 10, 2033.

Farquhar's November 2026 Transactions at Heartflow, Inc.

According to the Form 4 filed with the SEC on November 10, 2026, Farquhar reported three separate transactions in Heartflow, Inc. (NASDAQ:HTFL) common stock. On November 6, 2026, the filing disclosed that 7,751 shares were disposed of at $52.40 per share. The filing states these shares "have been retained by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting and net settlement of restricted stock units previously reported," reducing his directly held position to 275,263 shares.

On November 10, 2026, the filing reports two additional transactions. First, Farquhar exercised a stock option covering 15,620 shares at $2.22 per share (transaction code M), bringing his direct holdings to 290,883 shares. Second, he sold 38,900 shares at $55.74 per share (transaction code S). The filing notes that the 38,900-share sale "includes the sale of 23,280 shares of common stock held and the option exercise and sale of 15,620 shares reported on this Form 4," both of which were effected under the Rule 10b5-1 trading plan adopted on September 12, 2025. After this sale, Farquhar's direct beneficial ownership in common stock stood at 251,983 shares.

In Table II, the filing discloses that the exercised stock option carried a $2.22 exercise price and an expiration date of July 10, 2033. The filing states the option "vests and becomes exercisable in monthly installments until July 1, 2027, subject to continued service through the applicable vesting date." Following the exercise, Farquhar held 1,969,017 stock options on a direct basis. The Form 4 was signed by Nga Van, by power of attorney, on November 10, 2026.

What Was Disclosed

Heartflow CEO John C.M. Farquhar reported a tax-related share withholding, a stock option exercise, and an open-market sale totaling 38,900 shares in November 2026, all under or connected to a pre-established Rule 10b5-1 trading plan. His direct common stock ownership after these transactions was 251,983 shares.