Form 4: Pulmonx CEO Sells Shares to Cover Tax Obligations Following RSU Vesting

Pulmonx Corporation's President and CEO, Steven S. Williamson, sold 9,923 shares of common stock for $3.13 per share to cover tax withholding obligations related to the vesting of Restricted Stock Units.

Summary

• Steven S. Williamson, President and CEO, and Director of Pulmonx Corp (LUNG), reported sales of common stock.
• On June 2, 2025, Williamson sold 5,262 shares at $3.13 per share. These shares were sold to cover tax withholding obligations from Restricted Stock Units (RSUs) granted on March 15, 2024.
• On the same date, he sold an additional 4,661 shares at $3.13 per share, also to cover tax withholding obligations from RSUs granted on March 3, 2025.
• The total number of shares sold across both transactions was 9,923, amounting to approximately $31,059.79.
• Following these transactions, Williamson beneficially owns 366,115 shares of Pulmonx common stock.

Sentiment

Score: 6

Explanation: The transaction is a routine, non-discretionary sale to cover tax obligations upon RSU vesting, which is a neutral to slightly positive signal as it's not a discretionary sale indicating a lack of confidence. The insider retains a substantial holding.

Positives

• The sales are non-discretionary, explicitly stated as being for tax withholding obligations, which typically does not signal a lack of confidence by the insider.
• The insider continues to hold a significant number of shares (366,115) after these routine transactions.

Future Outlook

N/A

Industry Context

This Form 4 filing reports a routine insider transaction for tax purposes, which is common across all industries when Restricted Stock Units (RSUs) vest. It does not provide specific insights into broader industry trends for medical devices or healthcare.

Stakeholder Impact

• Shareholders: The sale is a routine tax-related transaction and does not indicate a change in management's confidence, thus minimal direct impact on shareholder perception beyond the immediate transaction.

Key Dates

Recommendation

Keywords

Pulmonx Corp, LUNG, Form 4, Insider Trading, Stock Sale, Restricted Stock Units, RSU Vesting, Tax Withholding, Steven S. Williamson, Beneficial Ownership