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            <secFileNumber>001-40817</secFileNumber>
            <issuerAddress>
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                <ns2:city>San Francisco,</ns2:city>
                <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                <ns2:zipCode>94103</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>6509885131</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>CATHERINE JEN WONG</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
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        <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>
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            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>3515</noOfUnitsSold>
            <aggregateMarketValue>31599.85</aggregateMarketValue>
            <noOfUnitsOutstanding>79859254</noOfUnitsOutstanding>
            <approxSaleDate>05/17/2023</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
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            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>05/15/2023</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted Stock Units</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>3515</amountOfSecuritiesAcquired>
            <paymentDate>05/15/2023</paymentDate>
            <natureOfPayment>N/A</natureOfPayment>
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        <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>05/17/2023</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>12/06/2022</planAdoptionDate>
            </planAdoptionDates>
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144
0001744910
XXXXXXXX
LIVE
0001866692
AMPLITUDE INC CL A
001-40817
201 Third Street, Suite 200
San Francisco,
CA
94103
6509885131
CATHERINE JEN WONG
Officer
COMMON
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
38th Fl.
New York
NY
10004
3515
31599.85
79859254
05/17/2023
NASDAQ
Common
05/15/2023
Restricted Stock Units
Issuer
N
3515
05/15/2023
N/A
Y
05/17/2023
12/06/2022
/s/ Catherine Jen Wong