Form 4: Heartflow Director Converts Preferred Stock, Receives Options

Heartflow, Inc. Director Casey M. Tansey reported the conversion of various preferred stock and convertible notes into common stock and the grant of new stock options.

Summary

• Director Casey M. Tansey reported significant changes in beneficial ownership of Heartflow, Inc. securities.
• On August 11, 2025, various series of preferred stock (B-1, B-2, C, D, F) and convertible promissory notes automatically converted into common stock immediately prior to the closing of Heartflow's initial public offering.
• This resulted in the indirect acquisition of 3,072,759 common shares through U.S. Venture Partners X, L.P. and 98,303 common shares through USVP X Affiliates, L.P.
• An additional 16,447 common shares were acquired directly by Mr. Tansey from a convertible promissory note conversion.
• On August 7, 2025, Mr. Tansey was granted 47,420 stock options directly, with an exercise price of $19.00.
• These options will vest in full on the earlier of Heartflow's annual meeting of shareholders in 2026 or the first anniversary of the grant date (August 7, 2026), subject to continued service.

Sentiment

Score: 7

Explanation: The filing reports standard pre-IPO conversions and a routine stock option grant to a director, indicating a normal course of business for a company preparing for or recently completing an IPO. The option grant is a positive for aligning director interests.

Positives

• Director Casey M. Tansey received a grant of 47,420 stock options, aligning his interests with shareholder value.
• The conversions of preferred stock and convertible notes into common stock indicate a significant pre-IPO event, simplifying the capital structure.

Future Outlook

The stock options granted to Director Tansey are subject to vesting conditions tied to continued service through the earlier of Heartflow's annual meeting in 2026 or the first anniversary of the grant date (August 7, 2026).

Industry Context

This Form 4 filing reflects a standard pre-IPO capital restructuring event where preferred shares and convertible debt convert into common equity. The grant of stock options to a director is a common practice to incentivize long-term commitment and align interests with shareholders, particularly around an IPO.

Comparison to Industry Standards

• The conversion of preferred stock and convertible notes into common stock prior to an IPO is a standard practice for private companies going public, simplifying the capital structure for public investors.
• Granting stock options to directors, with vesting tied to service, is a common corporate governance practice to retain key personnel and align their incentives with company performance, comparable to practices at other newly public companies in the medical technology or diagnostics sector.

Corporate Governance

Related Party Transactions

• Casey M. Tansey is a managing member of Presidio Management Group X, L.L.C., which is the general partner of U.S. Venture Partners X, L.P. and USVP X Affiliates, L.P. These entities hold significant indirect beneficial ownership of Heartflow common stock.

Stakeholder Impact

• Shareholders: The conversion of preferred stock and convertible notes into common stock increases the number of outstanding common shares, potentially impacting per-share metrics. The option grant aligns director incentives with shareholder value.
• Employees: The vesting conditions for the stock options are tied to continued service, which can be seen as a retention mechanism for key personnel like directors.

Next Steps

• Continued service by Casey M. Tansey to meet vesting conditions for the stock options.
• Heartflow's annual meeting of shareholders in 2026.

Key Dates

Recommendation

This Form 4 filing details routine pre-IPO conversions of preferred stock and convertible notes into common stock, along with a standard stock option grant to a director. These are expected events for a company going public and do not present new information that would significantly alter the investment thesis for Heartflow, Inc. Therefore, a "hold" recommendation is appropriate as there's no new catalyst for a "buy" or "sell" decision based solely on this filing.

Keywords

Heartflow, HTFL, Form 4, Insider Trading, Beneficial Ownership, Stock Option, Preferred Stock Conversion, IPO, Casey M. Tansey, U.S. Venture Partners