WILLIAM C. WELDON - 07 Aug 2025 Form 3 Insider Report for Heartflow, Inc. (HTFL)

Role
Director
Signature
/s/ Angela Ahmad, Attorney-in-Fact for William C. Weldon
Issuer symbol
HTFL
Transactions as of
07 Aug 2025
Net transactions value
$0
Form type
3
Filing time
07 Aug 2025, 21:14:26 UTC
Previous filing
21 Nov 2022
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
WELDON WILLIAM C Director C/O HEARTFLOW, INC., 331 E. EVELYN AVENUE, MOUNTAIN VIEW /s/ Angela Ahmad, Attorney-in-Fact for William C. Weldon 07 Aug 2025 0001189019

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding HTFL Common Stock 56,256 07 Aug 2025 Direct F1

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
holding HTFL Stock Option 07 Aug 2025 Common Stock 17,123 $8.33 Direct F1, F2
holding HTFL Stock Option 07 Aug 2025 Common Stock 17,123 $8.33 Direct F1, F2
holding HTFL Stock Option 07 Aug 2025 Common Stock 34,246 $8.33 Direct F1, F3
holding HTFL Stock Option 07 Aug 2025 Common Stock 17,123 $8.33 Direct F1, F4
holding HTFL Stock Option 07 Aug 2025 Common Stock 35,638 $2.22 Direct F1, F5
holding HTFL Stock Option 07 Aug 2025 Common Stock 57,078 $2.22 Direct F1, F6
holding HTFL Series D Preferred Stock 07 Aug 2025 Common Stock 83,442 Direct F7
holding HTFL Series F Preferred Stock 07 Aug 2025 Common Stock 25,160 Direct F8
holding HTFL Series F-1 Preferred Stock 07 Aug 2025 Common Stock 27,704 Direct F8
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The number of shares of common stock and exercise price, as applicable, give effect to the 1-for-2.92 reverse stock split of Heartflow, Inc.'s ("Heartflow") common stock, which became effective on July 31, 2025.
F2 These stock options are fully exercisable.
F3 The option is vested and exercisable as to 28,520 shares, and the remaining shares will vest and become exercisable in monthly installments until March 25, 2026, subject to continued service through the applicable vesting date.
F4 The option will vest 100% on the one-year anniversary of the closing of Heartflow's initial public offering.
F5 The option is vested and exercisable as to 13,482 shares, and the remaining shares will vest and become exercisable in monthly installments until July 1, 2027, subject to continued service through the applicable vesting date.
F6 The option is vested and exercisable as to 19,973 shares, and the remaining shares will vest and become exercisable in monthly installments until September 26, 2027, subject to continued service through the applicable vesting date.
F7 Each share of Series D preferred stock is convertible on a 1-to-0.6467 basis into shares of Heartflow's common stock and has no expiration date. The Series D preferred stock will automatically convert into the underlying shares of common stock upon the closing of Heartflow's initial public offering. The conversion rate gives effect to the 1-for-2.92 reverse stock split of Heartflow's common stock, which became effective on July 31, 2025.
F8 Each share of Series F preferred stock and Series F-1 preferred stock is convertible on a 1-to-0.3425 basis into shares of Heartflow's common stock and has no expiration date. The Series F preferred stock and Series F-1 preferred stock will automatically convert into the underlying shares of common stock upon the closing of Heartflow's initial public offering. The conversion rate gives effect to the 1-for-2.92 reverse stock split of Heartflow's common stock, which became effective on July 31, 2025.

Remarks:

Exhibit 24 - Power of Attorney.