X0306 4/A 2021-04-05 2021-04-06 0 0001127537 Pulmonx Corp LUNG 0001804146 Rose Geoffrey Beran C/O PULMONX CORPORATION 700 CHESAPEAKE DRIVE REDWOOD CITY CA 94063 0 1 0 0 Chief Commercial Officer Common Stock 2021-04-05 4 S 0 4478 47.59 D 104586 D Common Stock 2021-04-05 4 S 0 319 48.43 D 104267 D The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 14, 2020. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $47.08 to $48.05, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $48.09 to $48.95, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range. The purpose of this amendment is to report additional sales that were not included on the Reporting Person's original Form 4. The Reporting Person was provided information regarding additional sales after the original Form 4 was filed. /s/ Lauren Cristina, Attorney-in-Fact for Geoffrey Beran Rose 2021-04-07