---
schema_version: "secwatch.filing_event.v1"
accession: "0001127537-26-000003"
form_type: "8-K"
ticker: "LUNG"
cik: "0001127537"
company_name: "Pulmonx Corp"
filed_at: "2026-03-04T23:59:59+00:00"
generated_at: "2026-05-15T21:25:35.192123+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Pulmonx Q4 revenue declines 5% YoY; full year up 8%; guides flat FY2026 revenue $90-92M

## Summary
- Q4 2025 revenue $22.6M, down 5% YoY (down 7% constant currency); US revenue fell 11% to $14.1M.
- Full year 2025 revenue $90.5M, up 8% YoY (7% constant currency); international revenue up 23% to $33.5M.
- Net loss improved: Q4 net loss $10.4M ($0.25/sh) vs $13.2M ($0.33/sh); full year loss $54.0M vs $56.4M.
- Secured up to $60M in new 5-year interest-only credit facility extending debt maturity to 2031; cash $69.8M at year end.
- FY2026 guidance: revenue $90-92M (roughly flat); gross margin ~75%; operating expenses $113-115M; cash burn ~$23M.

## SEC filing metadata
- accession: 0001127537-26-000003
- form_type: 8-K
- ticker: LUNG
- cik: 0001127537
- company_name: Pulmonx Corp
- filed_at: 2026-03-04T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1127537/000112753726000003/0001127537-26-000003-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1127537/000112753726000003/lung-20260304.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001127537-26-000003
- JSON: https://secwatch.observer/filing/0001127537-26-000003.json
- Plain text: https://secwatch.observer/filing/0001127537-26-000003.txt

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