Jeffrey C. Lightcap - Aug 7, 2025 Form 4 Insider Report for Heartflow, Inc. (HTFL)

Role
Director
Signature
/s/ Angela Ahmad, Attorney-in-Fact for Jeffrey C. Lightcap
Stock symbol
HTFL
Transactions as of
Aug 7, 2025
Transactions value $
$0
Form type
4
Date filed
8/11/2025, 09:00 PM
Previous filing
Mar 31, 2023

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Lightcap Jeffrey C Director C/O HEARTFLOW, INC., 331 E. EVELYN AVENUE, MOUNTAIN VIEW /s/ Angela Ahmad, Attorney-in-Fact for Jeffrey C. Lightcap 2025-08-11 0001519465

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction HTFL Common Stock Conversion of derivative security +833K 833K Aug 11, 2025 By HealthCor Partners Fund II, L.P. F1, F2, F3
transaction HTFL Common Stock Conversion of derivative security +1.25M 1.25M Aug 11, 2025 By HealthCor Partners Fund, L.P. F1, F3
transaction HTFL Common Stock Conversion of derivative security +4.62M 4.62M Aug 11, 2025 By HCPCIV 1, LLC F2, F3, F4, F5, F6

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction HTFL Series C Preferred Stock Conversion of derivative security -624K -100% 0 Aug 11, 2025 Common Stock 624K By HealthCor Partners Fund II, L.P. F1, F3
transaction HTFL Series C Preferred Stock Conversion of derivative security -1.25M -100% 0 Aug 11, 2025 Common Stock 1.25M By HealthCor Partners Fund, L.P. F1, F3
transaction HTFL Series D Preferred Stock Conversion of derivative security -1.63M -100% 0 Aug 11, 2025 Common Stock 1.63M By HCPCIV 1, LLC F2, F3
transaction HTFL Series D Preferred Stock Conversion of derivative security -209K -100% 0 Aug 11, 2025 Common Stock 209K By HealthCor Partners Fund II, L.P. F2, F3
transaction HTFL Series E Preferred Stock Conversion of derivative security -1.1M -100% 0 Aug 11, 2025 Common Stock 1.1M By HCPCIV 1, LLC F3, F4
transaction HTFL Series F Preferred Stock Conversion of derivative security -1.34M -100% 0 Aug 11, 2025 Common Stock 1.34M By HCPCIV 1, LLC F3, F5
transaction HTFL Series F-1 Preferred Stock Conversion of derivative security -453K -100% 0 Aug 11, 2025 Common Stock 453K By HCPCIV 1, LLC F3, F5
transaction HTFL Convertible Promissory Note Conversion of derivative security $0 -96.1K -100% $0.00 0 Aug 11, 2025 Common Stock 96.1K $15.20 By HCPCIV 1, LLC F3, F6
transaction HTFL Stock Option Award $0 +47.4K $0.00 47.4K Aug 7, 2025 Common Stock 47.4K $19.00 Direct F7
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each share of Series C preferred stock automatically converted into approximately 0.5764 shares of Heartflow, Inc.'s ("Heartflow") common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported in Table II above on an as-converted basis.
F2 Each share of Series D preferred stock automatically converted into approximately 0.6467 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported in Table II above on an as-converted basis.
F3 Mr. Lightcap is a controlling member of each of HCPCIV 1, LLC, HealthCor Partners Fund II, L.P. and HealthCor Partners Fund, L.P. and may be deemed to have voting and dispositive power with respect to the shares. Mr. Lightcap disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.
F4 Each share of Series E preferred stock automatically converted into approximately 0.6951 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported in Table II above on an as-converted basis.
F5 Each share of Series F preferred stock and Series F-1 preferred stock automatically converted into approximately 0.3425 shares of Heartflow's common stock immediately prior to the closing of Heartflow's initial public offering. These shares are reported in Table II above on an as-converted basis.
F6 Upon the closing of Heartflow's initial public offering, the convertible promissory notes automatically converted into shares of Heartflow's common stock at a conversion price of 80% of the price per share in Heartflow's initial public offering, subject to a valuation ceiling of $2.0 billion. The shares of common stock that were issuable upon conversion of the convertible promissory note had no expiration date. These shares are reported in Table II above on an as-converted basis.
F7 The option will vest in full on the earlier of Heartflow's annual meeting of shareholders in 2026 and the first anniversary of the grant date, subject to continued service through such date.