# EDGAR Filing Document

**Accession Number:** 0001127537
**File Stem:** 0001193125-25-294067
**Filing Date:** 2025-11
**Character Count:** 2618
**Document Hash:** 5c147ee43b0655e3a8c026443071f640
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-294067.hdr.sgml**: 20260403

**ACCESSION NUMBER**: 0001193125-25-294067

**CONFORMED SUBMISSION TYPE**: CORRESP

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20251124

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Pulmonx Corp
- **CENTRAL INDEX KEY:** 0001127537
- **STANDARD INDUSTRIAL CLASSIFICATION:** SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** CORRESP

**BUSINESS ADDRESS:**
- **STREET 1:** 700 CHESAPEAKE DRIVE
- **CITY:** REDWOOD CITY
- **STATE:** CA
- **ZIP:** 94063
- **BUSINESS PHONE:** 650-364-0400

**MAIL ADDRESS:**
- **STREET 1:** 700 CHESAPEAKE DRIVE
- **CITY:** REDWOOD CITY
- **STATE:** CA
- **ZIP:** 94063

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PULMONX
- **DATE OF NAME CHANGE:** 20001031

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| |
|:---|
| ![LOGO](g935479g1125055510557.jpg)  |
| David A. Lehman<br> General Counsel<br> Telephone: 650.934.2604<br> Dlehman@Pulmonx.com<br>*Admitted to Practice: New York*<br> *Registered In-House Counsel: California* |

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November 24, 2025

United States Securities and Exchange Commission

Division of Corporation Finance

100 F Street, N.E.

Washington, D.C. 20549

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| | |
|:---|:---|
| **RE:** | **Pulmonx Corporation**  |

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**Registration Statement on Form S-3** 

**File No. 333-290560** 

Ladies and Gentlemen:

Pulmonx Corporation (the "**Registrant**") hereby requests that the U.S. Securities and Exchange Commission (the "**Commission**") take appropriate action to cause the above-referenced Registration Statement on Form S-3 to become effective on November 25, 2025, at 4:00 p.m., Eastern Time, or as soon thereafter as is practicable or at such later time as the Registrant may orally request via telephone call to the staff of the Commission. The Registrant hereby authorizes John T. McKenna of Cooley LLP, counsel to the Registrant, to make such request on its behalf.

Once the Registration Statement has been declared effective, please orally confirm that event with John T. McKenna of Cooley LLP, counsel to the Registrant, at (650) 843-5059.

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| | |
|:---|:---|
| Very truly yours, | Very truly yours, |
| **PULMONX CORPORATION** | **PULMONX CORPORATION** |
| By: | /s/ David Lehman |
| Name: | David Lehman |
| Title: | General Counsel |

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cc: John T. McKenna, Cooley LLP

700 Chesapeake Drive / Redwood City / California 94063 / Tel: (650) 364-0400 / Fax: (650) 364-0403 / www.pulmonx.com