A Form 4 filed on August 20, 2026, disclosed that John C.M. Farquhar, Chief Executive Officer and Director of Heartflow, Inc. (NASDAQ:HTFL), sold 32,676 shares of common stock on August 18, 2026, pursuant to a pre-established Rule 10b5-1 trading plan.

Key Highlights

  • Reporting person: John C.M. Farquhar, serving as Chief Executive Officer and Director of Heartflow, Inc.
  • Shares sold: 32,676 shares of common stock disposed of (transaction code S) on August 18, 2026.
  • Sale price: $45 per share, as reported in the filing.
  • Remaining ownership: 388,044 shares of common stock beneficially owned directly following the transaction.
  • Trading plan: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2025.
  • Filing method: Signed by Nga Van, by power of attorney, and filed on August 20, 2026.

Heartflow CEO Reports Planned Share Sale Under Pre-Set 10b5-1 Agreement

According to the Form 4 filed with the SEC, John C.M. Farquhar, who serves as both Chief Executive Officer and Director of Heartflow, Inc., disposed of 32,676 shares of the company's common stock on August 18, 2026, at a price of $45 per share. The filing notes that both the "Director" and "Officer" boxes are checked to reflect his dual roles at the issuer.

The filing indicates the transaction was conducted under transaction code "S" and was carried out as a direct ownership disposition. Following the reported sale, Farquhar's direct beneficial ownership in Heartflow common stock stands at 388,044 shares, according to the filing. No derivative securities transactions were reported in Table II of the form.

As disclosed in the filing's Explanation of Responses, "The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 12, 2025." The form also notes that a checkbox was marked indicating the transaction was made pursuant to a contract, instruction, or written plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). The form was signed by Nga Van, by power of attorney, on August 20, 2026.

What Was Disclosed

Heartflow, Inc. CEO John C.M. Farquhar reported a sale of 32,676 shares of common stock at $45 per share on August 18, 2026, executed under a Rule 10b5-1 plan adopted September 12, 2025, leaving him with 388,044 directly held shares.