<?xml version="1.0" encoding="UTF-8"?><own:edgarSubmission xmlns:com="http://www.sec.gov/edgar/common" xmlns:own="http://www.sec.gov/edgar/ownership">
  <!-- Generated by Workiva -->
  <own:headerData>
    <own:submissionType>144</own:submissionType>
    <own:filerInfo>
      <own:filer>
        <own:filerCredentials>
          <own:cik>0001824121</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>0001040470</own:issuerCik>
      <own:issuerName>Aehr Test Systems</own:issuerName>
      <own:secFileNumber>000-22893</own:secFileNumber>
      <own:issuerAddress>
        <com:street1>400 Kato Terrace</com:street1>
        <com:city>Fremont</com:city>
        <com:stateOrCountry>CA</com:stateOrCountry>
        <com:zipCode>94539</com:zipCode>
      </own:issuerAddress>
      <own:issuerContactPhone>5106239400</own:issuerContactPhone>
      <own:nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Geoffrey Scott</own:nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <own:relationshipsToIssuer>
        <own:relationshipToIssuer>Director</own:relationshipToIssuer>
      </own:relationshipsToIssuer>
    </own:issuerInfo>
    <own:securitiesInformation>
      <own:securitiesClassTitle>Common Stock</own:securitiesClassTitle>
      <own:brokerOrMarketmakerDetails>
        <own:name>Merrill Lynch, Pierce, Fenner &amp; Smith Incorporated</own:name>
        <own:address>
          <com:street1>2200 N. Rodney Parham Rd.</com:street1>
          <com:street2>Suite 300</com:street2>
          <com:city>Little Rock</com:city>
          <com:stateOrCountry>AR</com:stateOrCountry>
          <com:zipCode>72212</com:zipCode>
        </own:address>
      </own:brokerOrMarketmakerDetails>
      <own:noOfUnitsSold>10000</own:noOfUnitsSold>
      <own:aggregateMarketValue>910000</own:aggregateMarketValue>
      <own:noOfUnitsOutstanding>31453254</own:noOfUnitsOutstanding>
      <own:approxSaleDate>04/21/2026</own:approxSaleDate>
      <own:securitiesExchangeName>NASDAQ</own:securitiesExchangeName>
    </own:securitiesInformation>
    <own:securitiesToBeSold>
      <own:securitiesClassTitle>Common Stock</own:securitiesClassTitle>
      <own:acquiredDate>11/24/2014</own:acquiredDate>
      <own:natureOfAcquisitionTransaction>Private Placement</own:natureOfAcquisitionTransaction>
      <own:nameOfPersonfromWhomAcquired>Aehr Test Systems</own:nameOfPersonfromWhomAcquired>
      <own:isGiftTransaction>N</own:isGiftTransaction>
      <own:amountOfSecuritiesAcquired>100000</own:amountOfSecuritiesAcquired>
      <own:paymentDate>11/24/2014</own:paymentDate>
      <own:natureOfPayment>Cash</own:natureOfPayment>
    </own:securitiesToBeSold>
    <own:nothingToReportFlagOnSecuritiesSoldInPast3Months>N</own:nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <own:securitiesSoldInPast3Months>
      <own:sellerDetails>
        <own:name>Geoffrey Scott</own:name>
        <own:address>
          <com:street1>26320 Daniel Chapel Hill</com:street1>
          <com:city>Chapel Hill</com:city>
          <com:stateOrCountry>NC</com:stateOrCountry>
          <com:zipCode>27517</com:zipCode>
        </own:address>
      </own:sellerDetails>
      <own:securitiesClassTitle>Aehr Test Systems</own:securitiesClassTitle>
      <own:saleDate>04/09/2026</own:saleDate>
      <own:amountOfSecuritiesSold>40000</own:amountOfSecuritiesSold>
      <own:grossProceeds>2718978.35</own:grossProceeds>
    </own:securitiesSoldInPast3Months>
    <own:noticeSignature>
      <own:noticeDate>04/21/2026</own:noticeDate>
      <own:signature>Geoffrey Scott</own:signature>
    </own:noticeSignature>
  </own:formData>
</own:edgarSubmission>
