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<headerData>
<submissionType>144</submissionType>
<filerInfo>
<filer>
<filerCredentials>
<cik>0001702921</cik>
<ccc>XXXXXXXX</ccc>
</filerCredentials>
</filer>
<liveTestFlag>LIVE</liveTestFlag>
</filerInfo>
</headerData>
<formData>
<issuerInfo>
<issuerCik>0001029142</issuerCik>
<issuerName>Dynavax Technologies Corporation</issuerName>
<secFileNumber>001-34207</secFileNumber>
<issuerAddress>
<street1 xmlns="http://www.sec.gov/edgar/common">2100 Powell Street</street1>
<street2 xmlns="http://www.sec.gov/edgar/common">Suite 720</street2>
<city xmlns="http://www.sec.gov/edgar/common">Emeryville			</city>
<stateOrCountry xmlns="http://www.sec.gov/edgar/common">CA</stateOrCountry>
<zipCode xmlns="http://www.sec.gov/edgar/common">94608</zipCode>
</issuerAddress>
<issuerContactPhone>510-848-5100</issuerContactPhone>
<nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>BCIP LIFE SCIENCES ASSOCIATES, LP		</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
<relationshipsToIssuer>
<relationshipToIssuer>Former Affiliate</relationshipToIssuer>
</relationshipsToIssuer>
</issuerInfo>
<securitiesInformation>
<securitiesClassTitle>Common Stock</securitiesClassTitle>
<brokerOrMarketmakerDetails>
<name>Goldman Sachs &amp; Co. LLC</name>
<address>
<street1 xmlns="http://www.sec.gov/edgar/common">200 West Street</street1>
<city xmlns="http://www.sec.gov/edgar/common">New York</city>
<stateOrCountry xmlns="http://www.sec.gov/edgar/common">NY</stateOrCountry>
<zipCode xmlns="http://www.sec.gov/edgar/common">10282</zipCode>
</address>
</brokerOrMarketmakerDetails>
<noOfUnitsSold>38113</noOfUnitsSold>
<aggregateMarketValue>526341</aggregateMarketValue>
<noOfUnitsOutstanding>128797357</noOfUnitsOutstanding>
<approxSaleDate>10/24/2023</approxSaleDate>
<securitiesExchangeName>NASDAQ</securitiesExchangeName>
</securitiesInformation>
<securitiesToBeSold>
<securitiesClassTitle>Common Stock</securitiesClassTitle>
<acquiredDate>08/12/2019</acquiredDate>
<natureOfAcquisitionTransaction>Purchase of Common Stock in an underwritten public offering</natureOfAcquisitionTransaction>
<nameOfPersonfromWhomAcquired>Underwriter</nameOfPersonfromWhomAcquired>
<isGiftTransaction>N</isGiftTransaction>
<amountOfSecuritiesAcquired>698734</amountOfSecuritiesAcquired>
<paymentDate>08/12/2019</paymentDate>
<natureOfPayment>Cash</natureOfPayment>
</securitiesToBeSold>
<securitiesToBeSold>
<securitiesClassTitle>Common Stock</securitiesClassTitle>
<acquiredDate>05/27/2020</acquiredDate>
<natureOfAcquisitionTransaction>Purchase of Common Stock in an underwritten public offering</natureOfAcquisitionTransaction>
<nameOfPersonfromWhomAcquired>Underwriter</nameOfPersonfromWhomAcquired>
<isGiftTransaction>N</isGiftTransaction>
<amountOfSecuritiesAcquired>92855</amountOfSecuritiesAcquired>
<paymentDate>05/27/2020</paymentDate>
<natureOfPayment>Cash</natureOfPayment>
</securitiesToBeSold>
<nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
<securitiesSoldInPast3Months>
<sellerDetails>
<name>Bain Capital Life Sciences Fund, L.P.</name>
<address>
<street1 xmlns="http://www.sec.gov/edgar/common">200 Clarendon Street</street1>
<city xmlns="http://www.sec.gov/edgar/common">Boston</city>
<stateOrCountry xmlns="http://www.sec.gov/edgar/common">MA</stateOrCountry>
<zipCode xmlns="http://www.sec.gov/edgar/common">02116</zipCode>
</address>
</sellerDetails>
<securitiesClassTitle>Common Stock</securitiesClassTitle>
<saleDate>10/10/2023</saleDate>
<amountOfSecuritiesSold>453572</amountOfSecuritiesSold>
<grossProceeds>6744616</grossProceeds>
</securitiesSoldInPast3Months>
<securitiesSoldInPast3Months>
<sellerDetails>
<name>BCIP Life Sciences Associates, LP</name>
<address>
<street1 xmlns="http://www.sec.gov/edgar/common">200 Clarendon Street</street1>
<city xmlns="http://www.sec.gov/edgar/common">Boston</city>
<stateOrCountry xmlns="http://www.sec.gov/edgar/common">MA</stateOrCountry>
<zipCode xmlns="http://www.sec.gov/edgar/common">02116</zipCode>
</address>
</sellerDetails>
<securitiesClassTitle>Common Stock</securitiesClassTitle>
<saleDate>10/10/2023</saleDate>
<amountOfSecuritiesSold>46428</amountOfSecuritiesSold>
<grossProceeds>690384</grossProceeds>
</securitiesSoldInPast3Months>
<securitiesSoldInPast3Months>
<sellerDetails>
<name>Bain Capital Life Sciences Fund, L.P.</name>
<address>
<street1 xmlns="http://www.sec.gov/edgar/common">200 Clarendon Street</street1>
<city xmlns="http://www.sec.gov/edgar/common">Boston</city>
<stateOrCountry xmlns="http://www.sec.gov/edgar/common">MA</stateOrCountry>
<zipCode xmlns="http://www.sec.gov/edgar/common">02116</zipCode>
</address>
</sellerDetails>
<securitiesClassTitle>Common Stock</securitiesClassTitle>
<saleDate>08/08/2023</saleDate>
<amountOfSecuritiesSold>1360717</amountOfSecuritiesSold>
<grossProceeds>19580718</grossProceeds>
</securitiesSoldInPast3Months>
<securitiesSoldInPast3Months>
<sellerDetails>
<name>BCIP Life Sciences Associates, LP</name>
<address>
<street1 xmlns="http://www.sec.gov/edgar/common">200 Clarendon Street</street1>
<city xmlns="http://www.sec.gov/edgar/common">Boston</city>
<stateOrCountry xmlns="http://www.sec.gov/edgar/common">MA</stateOrCountry>
<zipCode xmlns="http://www.sec.gov/edgar/common">02116</zipCode>
</address>
</sellerDetails>
<securitiesClassTitle>Common Stock</securitiesClassTitle>
<saleDate>08/08/2023</saleDate>
<amountOfSecuritiesSold>139283</amountOfSecuritiesSold>
<grossProceeds>2004282</grossProceeds>
</securitiesSoldInPast3Months>
<noticeSignature>
<noticeDate>10/24/2023</noticeDate>
<signature>/s/ Andrew Hack, as Authorized Signatory of Boylston Coinvestors, LLC</signature>
</noticeSignature>
</formData>
</edgarSubmission>
