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                    <ccc>XXXXXXXX</ccc>
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            <liveTestFlag>LIVE</liveTestFlag>



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            <issuerCik>0001626450</issuerCik>
            <issuerName>BIGCOMMERCE HLDGS INC SER 1</issuerName>
            <secFileNumber>001-39423</secFileNumber>
            <issuerAddress>
                <ns2:street1>11305 Four Points Dr. Bldg II, Suite 100</ns2:street1>
                <ns2:city>Austin</ns2:city>
                <ns2:stateOrCountry>TX</ns2:stateOrCountry>
                <ns2:zipCode>78726</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>512-865-4500</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>ROBERT ALVAREZ</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 Fl.</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>39323</noOfUnitsSold>
            <aggregateMarketValue>391263.85</aggregateMarketValue>
            <noOfUnitsOutstanding>74549845</noOfUnitsOutstanding>
            <approxSaleDate>07/03/2023</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>03/01/2023</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted Stock Units</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>29323</amountOfSecuritiesAcquired>
            <paymentDate>03/01/2023</paymentDate>
            <natureOfPayment>N/A</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>07/03/2023</acquiredDate>
            <natureOfAcquisitionTransaction>Exercise of Stock Options</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>10000</amountOfSecuritiesAcquired>
            <paymentDate>07/03/2023</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>07/03/2023</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>03/17/2023</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ Robert Alvarez</signature>
        </noticeSignature>
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144
0001819281
XXXXXXXX
LIVE
0001626450
BIGCOMMERCE HLDGS INC SER 1
001-39423
11305 Four Points Dr. Bldg II, Suite 100
Austin
TX
78726
512-865-4500
ROBERT ALVAREZ
Officer
COMMON
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
38th Fl.
New York
NY
10004
39323
391263.85
74549845
07/03/2023
NASDAQ
Common
03/01/2023
Restricted Stock Units
Issuer
N
29323
03/01/2023
N/A
Common
07/03/2023
Exercise of Stock Options
Issuer
N
10000
07/03/2023
Cash
Y
07/03/2023
03/17/2023
/s/ Robert Alvarez