---
schema_version: "secwatch.filing_event.v1"
accession: "0001127537-23-000042"
form_type: "8-K"
ticker: "LUNG"
cik: "0001127537"
company_name: "Pulmonx Corp"
filed_at: "2023-10-30T23:59:59+00:00"
generated_at: "2026-06-09T05:37:38.909060+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Pulmonx Q3 revenue $17.7M record +31% YoY; raises FY2023 guidance to $67-68M

## Summary
- Record worldwide revenue $17.7M (+31% YoY); U.S. revenue $11.8M (+41% YoY).
- Net loss $14.9M ($0.39 EPS) vs $14.2M ($0.38 EPS) in Q3 2022.
- Raised 2023 revenue guidance to $67-68M (prior $64-66M); gross margin ~74%.
- Adjusted EBITDA loss improved to $9.0M from $9.7M YoY.
- Japan MHLW approved Zephyr Valve reimbursement for severe COPD/emphysema.

## SEC filing metadata
- accession: 0001127537-23-000042
- form_type: 8-K
- ticker: LUNG
- cik: 0001127537
- company_name: Pulmonx Corp
- filed_at: 2023-10-30T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1127537/000112753723000042/0001127537-23-000042-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1127537/000112753723000042/lung-20231030.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001127537-23-000042
- JSON: https://secwatch.observer/filing/0001127537-23-000042.json
- Plain text: https://secwatch.observer/filing/0001127537-23-000042.txt

## Key facts
- Earnings Releases
  Pulmonx Corp reported the third quarter of 2023 ended September 30, 2023 results: revenue $17.7 million, net income $14.9 million, EPS $0.39 per share. Guidance raised.
  - Period: the third quarter of 2023 ended September 30, 2023
  - Revenue: $17.7 million
  - Net income: $14.9 million
  - EPS: $0.39 per share
  - Guidance: raised
  - Result: reported results
  source text: Total worldwide revenue in the third quarter of 2023 was $17.7 million
  evidence_url: https://www.sec.gov/Archives/edgar/data/1127537/000112753723000042/0001127537-23-000042-index.htm

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