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    <headerData>
        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001804146</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001127537</issuerCik>
            <issuerName>PULMONX CORPORATION</issuerName>
            <secFileNumber>001-39562</secFileNumber>
            <issuerAddress>
                <ns2:street1>700 CHESAPEAKE DRIVE</ns2:street1>
                <ns2:city>REDWOOD CITY</ns2:city>
                <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                <ns2:zipCode>94063</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>650-364-0400</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>GEOFFREY B ROSE</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>38th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>1184</noOfUnitsSold>
            <aggregateMarketValue>9886.40</aggregateMarketValue>
            <noOfUnitsOutstanding>38027722</noOfUnitsOutstanding>
            <approxSaleDate>10/23/2023</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <acquiredDate>03/10/2022</acquiredDate>
            <natureOfAcquisitionTransaction>Exercised Shares</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>1184</amountOfSecuritiesAcquired>
            <paymentDate>03/10/2022</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>GEOFFREY B ROSE</name>
                <address>
                    <ns2:street1>700 CHESAPEAKE DRIVE</ns2:street1>
                    <ns2:city>REDWOOD CITY</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>94063</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>09/22/2023</saleDate>
            <amountOfSecuritiesSold>1184</amountOfSecuritiesSold>
            <grossProceeds>12443.84</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>GEOFFREY B ROSE</name>
                <address>
                    <ns2:street1>700 CHESAPEAKE DRIVE</ns2:street1>
                    <ns2:city>REDWOOD CITY</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>94063</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>09/01/2023</saleDate>
            <amountOfSecuritiesSold>2843</amountOfSecuritiesSold>
            <grossProceeds>28441.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>GEOFFREY B ROSE</name>
                <address>
                    <ns2:street1>700 CHESAPEAKE DRIVE</ns2:street1>
                    <ns2:city>REDWOOD CITY</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>94063</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>08/23/2023</saleDate>
            <amountOfSecuritiesSold>1184</amountOfSecuritiesSold>
            <grossProceeds>12479.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>10/23/2023</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>05/24/2023</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ Geoffrey Beran Rose</signature>
        </noticeSignature>
    </formData>
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144
0001804146
XXXXXXXX
LIVE
0001127537
PULMONX CORPORATION
001-39562
700 CHESAPEAKE DRIVE
REDWOOD CITY
CA
94063
650-364-0400
GEOFFREY B ROSE
Officer
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
38th Floor
New York
NY
10004
1184
9886.40
38027722
10/23/2023
NASDAQ
COMMON
03/10/2022
Exercised Shares
ISSUER
N
1184
03/10/2022
Cash
N
GEOFFREY B ROSE
700 CHESAPEAKE DRIVE
REDWOOD CITY
CA
94063
Common
09/22/2023
1184
12443.84
GEOFFREY B ROSE
700 CHESAPEAKE DRIVE
REDWOOD CITY
CA
94063
Common
09/01/2023
2843
28441.00
GEOFFREY B ROSE
700 CHESAPEAKE DRIVE
REDWOOD CITY
CA
94063
Common
08/23/2023
1184
12479.00
10/23/2023
05/24/2023
/s/ Geoffrey Beran Rose