William C. Weldon - 07 Aug 2025 Form 4 Insider Report for Heartflow, Inc. (HTFL)

Reporting relationship: Director
Issuer ticker: HTFL
Reported as of: 07 Aug 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 11 Aug 2025, 21:01:30 UTC
Prior SEC filing: 21 Nov 2022
Next SEC filing: 18 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Angela Ahmad, Attorney-in-Fact for William C. Weldon

Key filing fact

William C. Weldon filed Form 4 for Heartflow, Inc. (HTFL) on 11 Aug 2025.

Key facts

This page summarizes William C. Weldon's Form 4 filing for Heartflow, Inc. (HTFL).
5 reported transactions and 4 derivative rows are listed below.
Accepted by SEC: 11 Aug 2025, 21:01.

Change

Previous filing in this sequence was filed on 21 Nov 2022.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001189019 Primary reporting owner

WELDON WILLIAM C

Relationship: Director
Address: C/O HEARTFLOW, INC., 331 E. EVELYN AVENUE, MOUNTAIN VIEW
Signature: /s/ Angela Ahmad, Attorney-in-Fact for William C. Weldon
Signature date: 11 Aug 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

HTFL transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +136,286
Change %: +242%
Price
Shares after: 192,562
Date: 11 Aug 2025
Ownership: Direct
Footnotes: F1, F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

HTFL transaction Derivative

Stock Option

Award

Transaction value: $0
Shares: +23,710
Change %
Price: $0.000000
Shares after: 23,710
Date: 07 Aug 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 23,710
Exercise price: $19.00
Footnotes: F3

HTFL transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares: -83,442
Change %: -100%
Price
Shares after: 0
Date: 11 Aug 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 83,442
Exercise price
Footnotes: F1

HTFL transaction Derivative

Series F Preferred Stock

Conversion of derivative security

Transaction value
Shares: -25,160
Change %: -100%
Price
Shares after: 0
Date: 11 Aug 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 25,160
Exercise price
Footnotes: F2

HTFL transaction Derivative

Series F-1 Preferred Stock

Conversion of derivative security

Transaction value
Shares: -27,704
Change %: -100%
Price
Shares after: 0
Date: 11 Aug 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 27,704
Exercise price
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Each share of Series D preferred stock automatically converted into approximately 0.6467 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.

Footnote F2

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.

Footnote F3

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.