content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001219023</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001104506</issuerCik>
        <issuerName>INSMED Inc</issuerName>
        <secFileNumber>000-30739</secFileNumber>
        <issuerAddress>
          <com:street1>700 US HIGHWAY 202/206</com:street1>
          <com:city>BRIDGEWATER</com:city>
          <com:stateOrCountry>NJ</com:stateOrCountry>
          <com:zipCode>08807</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>908-977-9900</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>MCGIRR DAVID W J</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>TD Securities (USA) LLC</name>
          <address>
            <com:street1>Attn: Restricted Securities</com:street1>
            <com:street2>125 Park Avenue, 20th Floor</com:street2>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10017</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>3000</noOfUnitsSold>
        <aggregateMarketValue>219804.30</aggregateMarketValue>
        <noOfUnitsOutstanding>182138923</noOfUnitsOutstanding>
        <approxSaleDate>06/04/2025</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>05/13/2025</acquiredDate>
        <natureOfAcquisitionTransaction>Equity Compensation</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer/Insmed Incorporated</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>6250</amountOfSecuritiesAcquired>
        <paymentDate>05/13/2025</paymentDate>
        <natureOfPayment>Services Rendered</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>David W.J. McGirr</name>
          <address>
            <com:street1>700 US HIGHWAY 202/206</com:street1>
            <com:city>BRIDGEWATER</com:city>
            <com:stateOrCountry>NJ</com:stateOrCountry>
            <com:zipCode>08807</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>06/03/2025</saleDate>
        <amountOfSecuritiesSold>3250</amountOfSecuritiesSold>
        <grossProceeds>231725.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <remarks>10b5-1 Plan</remarks>
      <noticeSignature>
        <noticeDate>06/04/2025</noticeDate>
        <planAdoptionDates>
          <planAdoptionDate>03/04/2025</planAdoptionDate>
        </planAdoptionDates>
        <signature>	 /s/ David W.J. McGirr</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
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text: 144
  0001219023
  XXXXXXXX
  LIVE
  0001104506
  INSMED Inc
  000-30739
  700 US HIGHWAY 202/206
  BRIDGEWATER
  NJ
  08807
  908-977-9900
  MCGIRR DAVID W J
  Director
  Common
  TD Securities (USA) LLC
  Attn: Restricted Securities
  125 Park Avenue, 20th Floor
  New York
  NY
  10017
  3000
  219804.30
  182138923
  06/04/2025
  NASDAQ
  Common
  05/13/2025
  Equity Compensation
  Issuer/Insmed Incorporated
  N
  6250
  05/13/2025
  Services Rendered
  N
  David W.J. McGirr
  700 US HIGHWAY 202/206
  BRIDGEWATER
  NJ
  08807
  Common
  06/03/2025
  3250
  231725.00
  10b5-1 Plan
  06/04/2025
  03/04/2025
  /s/ David W.J. McGirr