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    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001587425</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001158114</issuerCik>
      <issuerName>APPLIED OPTOELECTRONICS, INC.</issuerName>
      <secFileNumber>001-36083</secFileNumber>
      <issuerAddress>
        <com:street1>13139 JESS PIRTLE BLVD</com:street1>
        <com:city>SUGAR LAND</com:city>
        <com:stateOrCountry>TX</com:stateOrCountry>
        <com:zipCode>77478</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>281-295-1800</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Chen Min-Chu (Mike)</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Charles Schwab &amp; Co., Inc.</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>9790</noOfUnitsSold>
      <aggregateMarketValue>266092.20</aggregateMarketValue>
      <noOfUnitsOutstanding>45078203</noOfUnitsOutstanding>
      <approxSaleDate>11/14/2024</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>12/07/2020</acquiredDate>
      <natureOfAcquisitionTransaction>RSU Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>3263</amountOfSecuritiesAcquired>
      <paymentDate>12/07/2020</paymentDate>
      <natureOfPayment>RSU Vesting</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>03/05/2021</acquiredDate>
      <natureOfAcquisitionTransaction>RSU Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>3263</amountOfSecuritiesAcquired>
      <paymentDate>03/05/2021</paymentDate>
      <natureOfPayment>RSU Vesting</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>06/07/2021</acquiredDate>
      <natureOfAcquisitionTransaction>RSU Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>3264</amountOfSecuritiesAcquired>
      <paymentDate>06/07/2021</paymentDate>
      <natureOfPayment>RSU Vesting</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>11/14/2024</noticeDate>
      <signature>Min-chu Chen</signature>
    </noticeSignature>
  </formData>
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144
0001587425
XXXXXXXX
LIVE
0001158114
APPLIED OPTOELECTRONICS, INC.
001-36083
13139 JESS PIRTLE BLVD
SUGAR LAND
TX
77478
281-295-1800
Chen Min-Chu (Mike)
Director
Common
Charles Schwab & Co., Inc.
3000 Schwab Way
Westlake
TX
76262
9790
266092.20
45078203
11/14/2024
NASDAQ
Common
12/07/2020
RSU Vesting
Issuer
N
3263
12/07/2020
RSU Vesting
Common
03/05/2021
RSU Vesting
Issuer
N
3263
03/05/2021
RSU Vesting
Common
06/07/2021
RSU Vesting
Issuer
N
3264
06/07/2021
RSU Vesting
Y
11/14/2024
Min-chu Chen