---
schema_version: "secwatch.filing_event.v1"
accession: "0001464521-25-000009"
form_type: "8-K"
ticker: "HTFL"
cik: "0001464521"
company_name: "Heartflow, Inc."
filed_at: "2025-09-10T23:59:59+00:00"
generated_at: "2026-05-17T06:58:54.782458+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Heartflow reports preliminary Q2 2025 revenue $43.4M, gross margin 75.5%

## Summary
- Preliminary Q2 2025 unaudited results: revenue ~$43.4M, gross margin ~75.5%, operating expenses ~$46.5M.
- Cash and cash equivalents ~$80.2M as of June 30, 2025, before IPO proceeds and debt repayment.
- IPO net proceeds ~$333M; subsequent repayment of $114.1M debt plus interest in Q3 2025.
- Results initially disclosed as ranges in S-1; final Q2 2025 report to be filed on Form 10-Q.

## SEC filing metadata
- accession: 0001464521-25-000009
- form_type: 8-K
- ticker: HTFL
- cik: 0001464521
- company_name: Heartflow, Inc.
- filed_at: 2025-09-10T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 2.02, 7.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1464521/000146452125000009/0001464521-25-000009-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1464521/000146452125000009/htfl-20250910.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001464521-25-000009
- JSON: https://secwatch.observer/filing/0001464521-25-000009.json
- Plain text: https://secwatch.observer/filing/0001464521-25-000009.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.