Steven S. Williamson - 02 Sep 2025 Form 4 Insider Report for Pulmonx Corp (LUNG)

Reporting relationship: PRESIDENT AND CEO, Director
Issuer ticker: LUNG
Reported as of: 02 Sep 2025
Net transaction value: -$15,437
SEC form: 4
Accepted by SEC: 03 Sep 2025, 17:14:06 UTC
Prior SEC filing: 04 Jun 2025
Source filing: View source filing
Reporting owner signature: /s/ David Aaron Lehman, Attorney-in-Fact

Key filing fact

Steven S. Williamson filed Form 4 for Pulmonx Corp (LUNG) on 03 Sep 2025.

Key facts

This page summarizes Steven S. Williamson's Form 4 filing for Pulmonx Corp (LUNG).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 03 Sep 2025, 17:14.

Change

Previous filing in this sequence was filed on 04 Jun 2025.
Current net transaction value: -$15,437.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001478582 Primary reporting owner

Williamson Steven S.

Relationship: PRESIDENT AND CEO, Director
Address: C/O PULMONX CORPORATION, 700 CHESAPEAKE DRIVE, REDWOOD CITY
Signature: /s/ David Aaron Lehman, Attorney-in-Fact
Signature date: 03 Sep 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

LUNG transaction

Common Stock

Sale

Transaction value: $8,189
Shares: -5,118
Change %: -1.4%
Price: $1.60
Shares after: 363,497
Date: 02 Sep 2025
Ownership: Direct
Footnotes: F1, F2

LUNG transaction

Common Stock

Sale

Transaction value: $7,248
Shares: -4,530
Change %: -1.2%
Price: $1.60
Shares after: 358,967
Date: 02 Sep 2025
Ownership: Direct
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of the Restricted Stock Units (the "RSUs") granted on March 15, 2024.

Footnote F2

Includes 2,500 shares acquired by the Reporting Person under the Issuer's 2020 Employee Stock Purchase Plan on August 15, 2025.

Footnote F3

These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of the RSUs granted on March 3, 2025.