# EDGAR Filing Document

**Accession Number:** 0001464521
**File Stem:** 9999999995-25-002515
**Filing Date:** 2025-8
**Character Count:** 1417
**Document Hash:** ba74588c7e8bd6aabf4f39572b4d7aa3
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-25-002515.hdr.sgml**: 20250808

**ACCESSION NUMBER**: 9999999995-25-002515

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250807

**DATE AS OF CHANGE**: 20250808

**EFFECTIVENESS DATE**: 20250807

**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:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-288733
- **FILM NUMBER:** 251196040

**BUSINESS ADDRESS:**
- **STREET 1:** 331 E EVELYN AVENUE
- **CITY:** MOUNTAIN VIEW
- **STATE:** CA
- **ZIP:** 94041
- **BUSINESS PHONE:** 650-241-1221

**MAIL ADDRESS:**
- **STREET 1:** 331 E EVELYN AVENUE
- **CITY:** MOUNTAIN VIEW
- **STATE:** CA
- **ZIP:** 94041

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

### UNITED STATES
### SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## Notice of Effectiveness

**Date:** August 7, 2025

**Time:** 16:00:00

**Form Type:** S-1

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**CIK:** 0001464521

**Company Name:** Heartflow, Inc.

**File Number:** 333-288733