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  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001187159</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000861838</issuerCik>
      <issuerName>Aceragen, Inc.</issuerName>
      <secFileNumber>001-31918</secFileNumber>
      <issuerAddress>
        <com:street1>505 EAGLEVIEW BOULEVARD</com:street1>
        <com:street2>SUITE 212</com:street2>
        <com:city>EXTON</com:city>
        <com:stateOrCountry>PA</com:stateOrCountry>
        <com:zipCode>19341</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>4843481600</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>MILANO VINCENT</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Charles Schwab Corporation</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>3283</noOfUnitsSold>
      <aggregateMarketValue>1904.00</aggregateMarketValue>
      <noOfUnitsOutstanding>8423504</noOfUnitsOutstanding>
      <approxSaleDate>08/10/2023</approxSaleDate>
      <securitiesExchangeName>Nasdaq</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>12/14/2014</acquiredDate>
      <natureOfAcquisitionTransaction>Open Market Purchase</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Open Market</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1470</amountOfSecuritiesAcquired>
      <paymentDate>12/14/2014</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>02/29/2016</acquiredDate>
      <natureOfAcquisitionTransaction>Employee Stock Purchase Plan</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>47</amountOfSecuritiesAcquired>
      <paymentDate>02/29/2016</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>03/15/2016</acquiredDate>
      <natureOfAcquisitionTransaction>Open Market Purchase</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Open Market</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>294</amountOfSecuritiesAcquired>
      <paymentDate>03/15/2016</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>08/07/2018</acquiredDate>
      <natureOfAcquisitionTransaction>Open Market Purchase</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Open Market</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>588</amountOfSecuritiesAcquired>
      <paymentDate>08/07/2018</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>12/24/2018</acquiredDate>
      <natureOfAcquisitionTransaction>Open Market Purchase</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Open Market</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>882</amountOfSecuritiesAcquired>
      <paymentDate>12/24/2018</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <remarks>Amount of Securities Acquired below - 12/14/2014 - 1470.35294 shares 02/29/2016 - 47.99265 shares 03/15/2016 - 294.11765 shares 08/07/2018 - 588.18382 shares 12/24/2018 - 882.35294 shares</remarks>
    <noticeSignature>
      <noticeDate>08/10/2023</noticeDate>
      <signature>Vincent Milano</signature>
    </noticeSignature>
  </formData>
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144
0001187159
XXXXXXXX
LIVE
0000861838
Aceragen, Inc.
001-31918
505 EAGLEVIEW BOULEVARD
SUITE 212
EXTON
PA
19341
4843481600
MILANO VINCENT
Director
Common
Charles Schwab Corporation
3000 Schwab Way
Westlake
TX
76262
3283
1904.00
8423504
08/10/2023
Nasdaq
Common
12/14/2014
Open Market Purchase
Open Market
N
1470
12/14/2014
Cash
Common
02/29/2016
Employee Stock Purchase Plan
Issuer
N
47
02/29/2016
Cash
Common
03/15/2016
Open Market Purchase
Open Market
N
294
03/15/2016
Cash
Common
08/07/2018
Open Market Purchase
Open Market
N
588
08/07/2018
Cash
Common
12/24/2018
Open Market Purchase
Open Market
N
882
12/24/2018
Cash
Y
Amount of Securities Acquired below - 12/14/2014 - 1470.35294 shares 02/29/2016 - 47.99265 shares 03/15/2016 - 294.11765 shares 08/07/2018 - 588.18382 shares 12/24/2018 - 882.35294 shares
08/10/2023
Vincent Milano