# EDGAR Filing Document

**Accession Number:** 0001464521
**File Stem:** 0001193125-26-189319
**Filing Date:** 2026-4
**Character Count:** 5849
**Document Hash:** 66cde18a1cf72cbbbd779311d4d1bf8b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-189319.hdr.sgml**: 20260429

**ACCESSION NUMBER**: 0001193125-26-189319

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 9

**FILED AS OF DATE**: 20260429

**DATE AS OF CHANGE**: 20260429

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Heartflow, Inc.
- **CENTRAL INDEX KEY:** 0001464521
- **STANDARD INDUSTRIAL CLASSIFICATION:** SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 260506743
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42790
- **FILM NUMBER:** 26910813

**BUSINESS ADDRESS:**
- **STREET 1:** 135 MAIN STREET, SUITE 1000
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94105
- **BUSINESS PHONE:** 650-241-1221

**MAIL ADDRESS:**
- **STREET 1:** 135 MAIN STREET, SUITE 1000
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94105

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Cardiovascular Simulation, Inc.
- **DATE OF NAME CHANGE:** 20090519

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**Washington, DC 20549** 

**SCHEDULE 14A INFORMATION** 

**Proxy Statement Pursuant to Section 14(a) of the** 

**Securities Exchange Act of 1934** 

**(Amendment No.)** 

Filed by the Registrant ☒

Filed by a party other than the Registrant ☐

Check the appropriate box:

☐ Preliminary Proxy Statement

☐ **Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))** 

☐ Definitive Proxy Statement

☒ Definitive Additional Materials

☐ Soliciting Material under § 240.14a-12

**HEARTFLOW, INC.** 

**(Name of Registrant as Specified in its Charter)** 

**(Name of Person(s) Filing Proxy Statement if Other Than the Registrant)** 

Payment of Filing Fee (Check all boxes that apply):

☒ No fee required

☐ Fee paid previously with preliminary materials

☐ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11

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| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ![LOGO](g469698dsp1.jpg) <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;P.O. BOX 8016, CARY, NC 27512-9903<br>![LOGO](g469698dsp1b.jpg)  | ![LOGO](g469698dsp1a.jpg) |

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| **Heartflow, Inc.**<br>**Annual Meeting of Stockholders**<br>Tuesday, June 16, 2026 at 8:00 AM, Pacific Time<br>Annual Meeting to be held live via the internet - please visit www.proxydocs.com/HTFL for more details<br>**You must register to attend the meeting online and participate at www.proxydocs.com/HTFL**<br>**For a convenient way to view proxy materials, VOTE, and obtain directions to attend the meeting, go to www.proxydocs.com/HTFL**<br>**To vote your proxy while visiting this site, you will need the 12 digit control number in the box below.**<br>This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. This is not a ballot. You cannot use this notice to vote your shares. We encourage you to access and review all of the important information contained in the proxy materials before voting.<br>Under United States Securities and Exchange Commission rules, proxy materials do not have to be delivered in paper. Proxy materials can be distributed by making them available on the internet.<br>If you want to receive a paper or e-mail copy of the proxy materials, you must request one. There is no charge to you for requesting a copy. In order to receive a paper package in time for this year's meeting, you must make this request on or before June 5, 2026.<br>| ![LOGO](g469698dsp1g.jpg) <br>| **Important Notice Regarding the Availability of Proxy Materials for the Stockholders Meeting To Be Held on June 16, 2026 for Stockholders of Record as of April 24, 2026**<br>**To order paper materials, use one of the following methods.**<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ![LOGO](g469698dsp1c.jpg) <br>**Internet:**<br> **www.investorelections.com/HTFL**<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ![LOGO](g469698dsp1d.jpg) <br> **Call:**<br> **1-866-648-8133**<br>![LOGO](g469698dsp1e.jpg) <br> **Email:**<br> **paper@investorelections.com**<br>\* If requesting materials by e-mail, please send a blank e-mail with the 12 digit control number (located below) in the subject line. No other requests, instructions or other inquiries should be included with your e-mail requesting materials.<br>![LOGO](g469698dsp1f.jpg)  |
|  |  | Have the 12 digit control number located in the box above available when you access the website and follow the instructions. |
| **SEE REVERSE FOR FULL AGENDA** |  |  |

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Copyright© 2026 BetaNXT, Inc. or its affiliates. All Rights Reserved

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| ![LOGO](g469698dsp1.jpg) | **Heartflow, Inc. Annual Meeting of Stockholders** |

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**THE BOARD OF DIRECTORS RECOMMENDS A VOTE:** 

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**FOR** ON PROPOSALS 1 AND 2

 <br> **PROPOSAL**<br>

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| 1. | Election of the two nominees as Class I directors to serve until the 2029 annual meeting of stockholders and until their successors are duly elected and qualified. |
|  | 1.01 Julie A. Cullivan |
|  | 1.02 John C.M. Farquhar |
| 2. | The ratification of the appointment of PricewaterhouseCoopers LLP as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2026. |
|  | NOTE: Your proxy holder will also vote on any such other business as may properly come before the meeting or any adjournment thereof. |

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