SCHEDULE 13G/A 0001104659-21-147985 0000763212 XXXXXXXX LIVE 5 COM 03/31/2025 0001127537 Pulmonx Corporation 745848101 700 Chesapeake Drive Redwood City CA 94063 Rule 13d-1(b) PRIMECAP MANAGEMENT CO/CA/ X1 5009561 0 5414761 0 5414761 N 13.61 IA Pulmonx Corporation 700 Chesapeake Drive Redwood City, CALIFORNIA 94063 PRIMECAP MANAGEMENT CO/CA/ 177 EAST COLORADO BLVD. 11TH FLOOR PASADENA, California 91105 PRIMECAP MANAGEMENT CO/CA/ - UNITED STATES N IA 5,414,761 13.61 PRIMECAP MANAGEMENT CO/CA/ - 5,009,561 PRIMECAP MANAGEMENT CO/CA/ - 0 PRIMECAP MANAGEMENT CO/CA/ - 5,414,761 PRIMECAP MANAGEMENT CO/CA/ - 0 Y N Various Persons have the right to receive, or the power to direct the receipt of, dividends from, or proceeds from the sale of, with respect to the securities as to which this Schedule is filed. No one Person here has an interest more than five percent of this class of securities except as follows: PRIMECAP Odyssey Aggressive Growth Fund has an interest of more than five percent of the total outstanding common stock of Pulmonx Corp. Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. PRIMECAP MANAGEMENT CO/CA/ Jorge A. Rodriguez 05/13/2025