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            <issuerName>VIANT TECHNOLOGY INC.</issuerName>
            <secFileNumber>001-40015</secFileNumber>
            <issuerAddress>
                <ns2:street1>2722 Michelson Drive,  Suite 100</ns2:street1>
                <ns2:city>Irvine</ns2:city>
                <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                <ns2:zipCode>92612</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(949) 861-8888</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>MAX O VALDES</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Director</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>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>4838</noOfUnitsSold>
            <aggregateMarketValue>69110.83</aggregateMarketValue>
            <noOfUnitsOutstanding>62890404</noOfUnitsOutstanding>
            <approxSaleDate>06/06/2025</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>06/04/2025</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted Stock</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>4838</amountOfSecuritiesAcquired>
            <paymentDate>06/04/2025</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
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                <name>MAX O VALDES</name>
                <address>
                    <ns2:street1>2722 Michelson Drive,  Suite 100</ns2:street1>
                    <ns2:city>Irvine</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>92612</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>06/05/2025</saleDate>
            <amountOfSecuritiesSold>62</amountOfSecuritiesSold>
            <grossProceeds>861.80</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>MAX O VALDES</name>
                <address>
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                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
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            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>06/05/2025</saleDate>
            <amountOfSecuritiesSold>5000</amountOfSecuritiesSold>
            <grossProceeds>69325.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>06/06/2025</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ Max Valdes</signature>
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144
0001219307
XXXXXXXX
LIVE
0001828791
VIANT TECHNOLOGY INC.
001-40015
2722 Michelson Drive,  Suite 100
Irvine
CA
92612
(949) 861-8888
MAX O VALDES
Director
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
4838
69110.83
62890404
06/06/2025
NASDAQ
Common
06/04/2025
Restricted Stock
ISSUER
N
4838
06/04/2025
Not Applicable
N
MAX O VALDES
2722 Michelson Drive,  Suite 100
Irvine
CA
92612
Common
06/05/2025
62
861.80
MAX O VALDES
2722 Michelson Drive,  Suite 100
Irvine
CA
92612
Common
06/05/2025
5000
69325.00
06/06/2025
/s/ Max Valdes