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  <!-- Generated by Workiva -->
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    <own:submissionType>144</own:submissionType>
    <own:filerInfo>
      <own:filer>
        <own:filerCredentials>
          <own:cik>0001982399</own:cik>
          <own:ccc>XXXXXXXX</own:ccc>
        </own:filerCredentials>
      </own:filer>
      <own:liveTestFlag>LIVE</own:liveTestFlag>



    </own:filerInfo>
  </own:headerData>
  <own:formData>
    <own:issuerInfo>
      <own:issuerCik>0001116942</own:issuerCik>
      <own:issuerName>TTM TECHNOLOGIES INC</own:issuerName>
      <own:secFileNumber>000-31285</own:secFileNumber>
      <own:issuerAddress>
        <com:street1>200 EAST SANDPOINTE</com:street1>
        <com:street2>SUITE 400</com:street2>
        <com:city>SANTA ANA</com:city>
        <com:stateOrCountry>CA</com:stateOrCountry>
        <com:zipCode>92707</com:zipCode>
      </own:issuerAddress>
      <own:issuerContactPhone>714-327-3000</own:issuerContactPhone>
      <own:nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>DALE KNECHT</own:nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <own:relationshipsToIssuer>
        <own:relationshipToIssuer>OFFICER</own:relationshipToIssuer>
      </own:relationshipsToIssuer>
    </own:issuerInfo>
    <own:securitiesInformation>
      <own:securitiesClassTitle>COMMON</own:securitiesClassTitle>
      <own:brokerOrMarketmakerDetails>
        <own:name>MERRILL LYNCH</own:name>
        <own:address>
          <com:street1>520 NEWPORT CENTER DRIVE 20TH FLOOR</com:street1>
          <com:city>NEWPORT BEACH</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>92660</com:zipCode>
        </own:address>
      </own:brokerOrMarketmakerDetails>
      <own:noOfUnitsSold>26198</own:noOfUnitsSold>
      <own:aggregateMarketValue>3720116</own:aggregateMarketValue>
      <own:noOfUnitsOutstanding>105348864</own:noOfUnitsOutstanding>
      <own:approxSaleDate>08/10/2026</own:approxSaleDate>
      <own:securitiesExchangeName>NASDAQ</own:securitiesExchangeName>
    </own:securitiesInformation>
    <own:securitiesToBeSold>
      <own:securitiesClassTitle>COMMON</own:securitiesClassTitle>
      <own:acquiredDate>06/22/2024</own:acquiredDate>
      <own:natureOfAcquisitionTransaction>RESTRICTED STOCK UNIT VEST</own:natureOfAcquisitionTransaction>
      <own:nameOfPersonfromWhomAcquired>TTM TECHNOLOGIES INC</own:nameOfPersonfromWhomAcquired>
      <own:isGiftTransaction>N</own:isGiftTransaction>
      <own:amountOfSecuritiesAcquired>10046</own:amountOfSecuritiesAcquired>
      <own:paymentDate>06/22/2024</own:paymentDate>
      <own:natureOfPayment>N/A</own:natureOfPayment>
    </own:securitiesToBeSold>
    <own:securitiesToBeSold>
      <own:securitiesClassTitle>COMMON</own:securitiesClassTitle>
      <own:acquiredDate>06/22/2023</own:acquiredDate>
      <own:natureOfAcquisitionTransaction>RESTRICTED STOCK UNIT VEST</own:natureOfAcquisitionTransaction>
      <own:nameOfPersonfromWhomAcquired>TTM TECHNOLOGIES INC</own:nameOfPersonfromWhomAcquired>
      <own:isGiftTransaction>N</own:isGiftTransaction>
      <own:amountOfSecuritiesAcquired>6383</own:amountOfSecuritiesAcquired>
      <own:paymentDate>06/22/2023</own:paymentDate>
      <own:natureOfPayment>N/A</own:natureOfPayment>
    </own:securitiesToBeSold>
    <own:securitiesToBeSold>
      <own:securitiesClassTitle>COMMON</own:securitiesClassTitle>
      <own:acquiredDate>02/22/2023</own:acquiredDate>
      <own:natureOfAcquisitionTransaction>RESTRICTED STOCK UNIT VEST</own:natureOfAcquisitionTransaction>
      <own:nameOfPersonfromWhomAcquired>TTM TECHNOLOGIES INC</own:nameOfPersonfromWhomAcquired>
      <own:isGiftTransaction>N</own:isGiftTransaction>
      <own:amountOfSecuritiesAcquired>3617</own:amountOfSecuritiesAcquired>
      <own:paymentDate>02/22/2023</own:paymentDate>
      <own:natureOfPayment>N/A</own:natureOfPayment>
    </own:securitiesToBeSold>
    <own:securitiesToBeSold>
      <own:securitiesClassTitle>COMMON</own:securitiesClassTitle>
      <own:acquiredDate>06/22/2022</own:acquiredDate>
      <own:natureOfAcquisitionTransaction>RESTRICTED STOCK UNIT VEST</own:natureOfAcquisitionTransaction>
      <own:nameOfPersonfromWhomAcquired>TTM TECHNOLOGIES INC</own:nameOfPersonfromWhomAcquired>
      <own:isGiftTransaction>N</own:isGiftTransaction>
      <own:amountOfSecuritiesAcquired>6152</own:amountOfSecuritiesAcquired>
      <own:paymentDate>06/22/2022</own:paymentDate>
      <own:natureOfPayment>N/A</own:natureOfPayment>
    </own:securitiesToBeSold>
    <own:nothingToReportFlagOnSecuritiesSoldInPast3Months>N</own:nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <own:securitiesSoldInPast3Months>
      <own:sellerDetails>
        <own:name>DALE KNECHT</own:name>
        <own:address>
          <com:street1>200 EAST SANDPOINTE SUITE 400</com:street1>
          <com:city>SANTA ANA</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>92707</com:zipCode>
        </own:address>
      </own:sellerDetails>
      <own:securitiesClassTitle>COMMON</own:securitiesClassTitle>
      <own:saleDate>06/21/2026</own:saleDate>
      <own:amountOfSecuritiesSold>3476</own:amountOfSecuritiesSold>
      <own:grossProceeds>729246.23</own:grossProceeds>
    </own:securitiesSoldInPast3Months>
    <own:securitiesSoldInPast3Months>
      <own:sellerDetails>
        <own:name>DALE KNECHT</own:name>
        <own:address>
          <com:street1>200 EAST SANDPOINTE SUITE 400</com:street1>
          <com:city>SANTA ANA</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>92707</com:zipCode>
        </own:address>
      </own:sellerDetails>
      <own:securitiesClassTitle>COMMON</own:securitiesClassTitle>
      <own:saleDate>06/22/2026</own:saleDate>
      <own:amountOfSecuritiesSold>3278</own:amountOfSecuritiesSold>
      <own:grossProceeds>687706.89</own:grossProceeds>
    </own:securitiesSoldInPast3Months>
    <own:securitiesSoldInPast3Months>
      <own:sellerDetails>
        <own:name>DALE KNECHT</own:name>
        <own:address>
          <com:street1>200 EAST SANDPOINTE SUITE 400</com:street1>
          <com:city>SANTA ANA</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>92707</com:zipCode>
        </own:address>
      </own:sellerDetails>
      <own:securitiesClassTitle>COMMON</own:securitiesClassTitle>
      <own:saleDate>06/26/2026</own:saleDate>
      <own:amountOfSecuritiesSold>2014</own:amountOfSecuritiesSold>
      <own:grossProceeds>421737.32</own:grossProceeds>
    </own:securitiesSoldInPast3Months>
    <own:noticeSignature>
      <own:noticeDate>08/10/2026</own:noticeDate>
      <own:signature>DALE KNECHT</own:signature>
    </own:noticeSignature>
  </own:formData>
</own:edgarSubmission>
