---
schema_version: "secwatch.filing_event.v1"
accession: "0001127537-25-000052"
form_type: "8-K"
ticker: "LUNG"
cik: "0001127537"
company_name: "Pulmonx Corp"
filed_at: "2025-10-27T23:59:59+00:00"
generated_at: "2026-05-17T02:08:42.850106+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Pulmonx reappoints Glen French as CEO and Derrick Sung as COO/CFO; Q3 preliminary revenue ~$21.5M

## Summary
- Glen French (former CEO 2014-2024) reappointed President and CEO; Derrick Sung (former CFO) appointed COO and CFO effective Nov 3, 2025.
- Steve Williamson and Mehul Joshi resigned as CEO and CFO; each will serve as advisors through Dec 1, 2025; departures not due to any disagreement.
- Preliminary Q3 2025 revenue expected approximately $21.5M; full results and earnings call rescheduled to Nov 12, 2025.
- Williamson receives $600K severance plus COBRA; Joshi receives $347,625 plus COBRA as separation compensation.
- French receives $625K base salary, 100% target bonus, RSU for 1.2M shares, and PSU for 800K shares with $4.00 stock price performance condition.

## SEC filing metadata
- accession: 0001127537-25-000052
- form_type: 8-K
- ticker: LUNG
- cik: 0001127537
- company_name: Pulmonx Corp
- filed_at: 2025-10-27T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1127537/000112753725000052/0001127537-25-000052-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1127537/000112753725000052/lung-20251021.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001127537-25-000052
- JSON: https://secwatch.observer/filing/0001127537-25-000052.json
- Plain text: https://secwatch.observer/filing/0001127537-25-000052.txt

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