content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <headerData>
  <submissionType>144</submissionType>
  <filerInfo>
  <filer>
  <filerCredentials>
  <cik>0001657434</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>Andrew A. F. Hack</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
  <relationshipsToIssuer>
  <relationshipToIssuer>Former Director</relationshipToIssuer>
  </relationshipsToIssuer>
  </issuerInfo>
  <securitiesInformation>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <brokerOrMarketmakerDetails>
  <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
  <address>
  <street1 xmlns="http://www.sec.gov/edgar/common">1 New York Plaza</street1>
  <street2 xmlns="http://www.sec.gov/edgar/common">38th Floor</street2>
  <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">10004</zipCode>
  </address>
  </brokerOrMarketmakerDetails>
  <noOfUnitsSold>81250</noOfUnitsSold>
  <aggregateMarketValue>1099313</aggregateMarketValue>
  <noOfUnitsOutstanding>129260850</noOfUnitsOutstanding>
  <approxSaleDate>11/17/2023</approxSaleDate>
  <securitiesExchangeName>Nasdaq</securitiesExchangeName>
  </securitiesInformation>
  <securitiesToBeSold>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <acquiredDate>11/17/2023</acquiredDate>
  <natureOfAcquisitionTransaction>Stock option exercise</natureOfAcquisitionTransaction>
  <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
  <isGiftTransaction>N</isGiftTransaction>
  <amountOfSecuritiesAcquired>81250</amountOfSecuritiesAcquired>
  <paymentDate>11/17/2023</paymentDate>
  <natureOfPayment>Cash</natureOfPayment>
  </securitiesToBeSold>
  <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
  <noticeSignature>
  <noticeDate>11/17/2023</noticeDate>
  <signature>/s/ Andrew Hack</signature>
  </noticeSignature>
  </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 2845}]
text: 144
  0001657434
  XXXXXXXX
  LIVE
  0001029142
  Dynavax Technologies Corporation
  001-34207
  2100 Powell Street
  Suite 720
  Emeryville
  CA
  94608
  510-848-5100
  Andrew A. F. Hack
  Former Director
  Common Stock
  Morgan Stanley Smith Barney LLC Executive Financial Services
  1 New York Plaza
  38th Floor
  New York
  NY
  10004
  81250
  1099313
  129260850
  11/17/2023
  Nasdaq
  Common Stock
  11/17/2023
  Stock option exercise
  Issuer
  N
  81250
  11/17/2023
  Cash
  Y
  11/17/2023
  /s/ Andrew Hack