<SEC-DOCUMENT>0002053936-25-000002.txt : 20250207
<SEC-HEADER>0002053936-25-000002.hdr.sgml : 20250207
<ACCEPTANCE-DATETIME>20250207161714
ACCESSION NUMBER:		0002053936-25-000002
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250207
DATE AS OF CHANGE:		20250207

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IRONWOOD PHARMACEUTICALS INC
		CENTRAL INDEX KEY:			0001446847
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				043404176
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-34620
		FILM NUMBER:		25601962

	BUSINESS ADDRESS:	
		STREET 1:		100 SUMMER STREET, SUITE 2300
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		617-621-7722

	MAIL ADDRESS:	
		STREET 1:		100 SUMMER STREET, SUITE 2300
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Martini Gregory S.
		CENTRAL INDEX KEY:			0002053936
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		100 SUMMER STREET
		STREET 2:		SUITE 2300
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?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>0002053936</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>


    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001446847</issuerCik>
      <issuerName>IRONWOOD PHARMACEUTICALS INC</issuerName>
      <secFileNumber>001-34620</secFileNumber>
      <issuerAddress>
        <com:street1>100 SUMMER STREET, SUITE 2300</com:street1>
        <com:city>BOSTON</com:city>
        <com:stateOrCountry>MA</com:stateOrCountry>
        <com:zipCode>02110</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>617-621-7722</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Martini Gregory S.</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Class A Common Stock</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>E Trade Securities LLC</name>
        <address>
          <com:street1>3 Edison Drive</com:street1>
          <com:city>Alpharetta</com:city>
          <com:stateOrCountry>GA</com:stateOrCountry>
          <com:zipCode>30005</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>12347</noOfUnitsSold>
      <aggregateMarketValue>23953.18</aggregateMarketValue>
      <noOfUnitsOutstanding>160028388</noOfUnitsOutstanding>
      <approxSaleDate>02/10/2025</approxSaleDate>
      <securitiesExchangeName>Nasdaq</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Class A Common Stock</securitiesClassTitle>
      <acquiredDate>02/23/2021</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Unit award granted pursuant to the Issuer's 2019 Equity Incentive Plan, subject to vesting requirements</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Ironwood Pharmaceuticals, Inc.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>3250</amountOfSecuritiesAcquired>
      <paymentDate>02/23/2021</paymentDate>
      <natureOfPayment>n/a</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Class A Common Stock</securitiesClassTitle>
      <acquiredDate>02/24/2022</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Unit award granted pursuant to the Issuer's 2019 Equity Incentive Plan, subject to vesting requirements</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Ironwood Pharmaceuticals, Inc.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>4242</amountOfSecuritiesAcquired>
      <paymentDate>02/24/2022</paymentDate>
      <natureOfPayment>n/a</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Class A Common Stock</securitiesClassTitle>
      <acquiredDate>04/01/2022</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Unit award granted pursuant to the Issuer's 2019 Equity Incentive Plan, subject to vesting requirements</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Ironwood Pharmaceuticals, Inc.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>7500</amountOfSecuritiesAcquired>
      <paymentDate>04/01/2022</paymentDate>
      <natureOfPayment>n/a</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Class A Common Stock</securitiesClassTitle>
      <acquiredDate>02/23/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Unit award granted pursuant to the Issuer's 2019 Equity Incentive Plan, subject to vesting requirements</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Ironwood Pharmaceuticals, Inc.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>8905</amountOfSecuritiesAcquired>
      <paymentDate>02/23/2023</paymentDate>
      <natureOfPayment>n/a</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Class A Common Stock</securitiesClassTitle>
      <acquiredDate>02/22/2024</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Unit award granted pursuant to the Issuer's Amended and Restated 2019 Equity Incentive Plan, subject to vesting requirements</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Ironwood Pharmaceuticals, Inc.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>6825</amountOfSecuritiesAcquired>
      <paymentDate>02/22/2024</paymentDate>
      <natureOfPayment>n/a</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <remarks>Shares sold to cover taxes from the vesting of stock awards granted by the Issuer.</remarks>
    <noticeSignature>
      <noticeDate>02/07/2025</noticeDate>
      <signature>/s/ Gregory Martini</signature>
    </noticeSignature>
  </formData>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
