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



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            <secFileNumber>001-34207</secFileNumber>
            <issuerAddress>
                <ns2:street1>2100 Powell Street</ns2:street1>
                <ns2:street2>Suite 720</ns2:street2>
                <ns2:city>Emeryville</ns2:city>
                <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                <ns2:zipCode>94608</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(510) 848-5100</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>DAVID NOVACK</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>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>14020</noOfUnitsSold>
            <aggregateMarketValue>190385.99</aggregateMarketValue>
            <noOfUnitsOutstanding>124070829</noOfUnitsOutstanding>
            <approxSaleDate>03/18/2025</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
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        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>02/13/2025</acquiredDate>
            <natureOfAcquisitionTransaction>Performance Shares</natureOfAcquisitionTransaction>
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            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>14020</amountOfSecuritiesAcquired>
            <paymentDate>02/13/2025</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
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                <address>
                    <ns2:street1>2100 Powell Street</ns2:street1>
                    <ns2:street2>Suite 720</ns2:street2>
                    <ns2:city>Emeryville</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>94608</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>03/07/2025</saleDate>
            <amountOfSecuritiesSold>11955</amountOfSecuritiesSold>
            <grossProceeds>171996.59</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>DAVID NOVACK</name>
                <address>
                    <ns2:street1>2100 Powell Street</ns2:street1>
                    <ns2:street2>Suite 720</ns2:street2>
                    <ns2:city>Emeryville</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>94608</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>03/07/2025</saleDate>
            <amountOfSecuritiesSold>4315</amountOfSecuritiesSold>
            <grossProceeds>62079.91</grossProceeds>
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        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>DAVID NOVACK</name>
                <address>
                    <ns2:street1>2100 Powell Street</ns2:street1>
                    <ns2:street2>Suite 720</ns2:street2>
                    <ns2:city>Emeryville</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>94608</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>03/07/2025</saleDate>
            <amountOfSecuritiesSold>5682</amountOfSecuritiesSold>
            <grossProceeds>81746.93</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>DAVID NOVACK</name>
                <address>
                    <ns2:street1>2100 Powell Street</ns2:street1>
                    <ns2:street2>Suite 720</ns2:street2>
                    <ns2:city>Emeryville</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>94608</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>03/07/2025</saleDate>
            <amountOfSecuritiesSold>10812</amountOfSecuritiesSold>
            <grossProceeds>155552.24</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>03/18/2025</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>12/06/2024</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ David F Novack</signature>
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144
0001573072
XXXXXXXX
LIVE
0001029142
DYNAVAX TECHNOLOGIES CORPORATION
001-34207
2100 Powell Street
Suite 720
Emeryville
CA
94608
(510) 848-5100
DAVID NOVACK
Officer
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
14020
190385.99
124070829
03/18/2025
NASDAQ
Common
02/13/2025
Performance Shares
ISSUER
N
14020
02/13/2025
Not Applicable
N
DAVID NOVACK
2100 Powell Street
Suite 720
Emeryville
CA
94608
Common
03/07/2025
11955
171996.59
DAVID NOVACK
2100 Powell Street
Suite 720
Emeryville
CA
94608
Common
03/07/2025
4315
62079.91
DAVID NOVACK
2100 Powell Street
Suite 720
Emeryville
CA
94608
Common
03/07/2025
5682
81746.93
DAVID NOVACK
2100 Powell Street
Suite 720
Emeryville
CA
94608
Common
03/07/2025
10812
155552.24
03/18/2025
12/06/2024
/s/ David F Novack