<SEC-DOCUMENT>0001959173-25-004478.txt : 20250707
<SEC-HEADER>0001959173-25-004478.hdr.sgml : 20250707
<ACCEPTANCE-DATETIME>20250707164344
ACCESSION NUMBER:		0001959173-25-004478
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250707
DATE AS OF CHANGE:		20250707

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COLLEGIUM PHARMACEUTICAL, INC
		CENTRAL INDEX KEY:			0001267565
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				000000000
		STATE OF INCORPORATION:			VA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-37372
		FILM NUMBER:		251108535

	BUSINESS ADDRESS:	
		STREET 1:		100 TECHNOLOGY CENTER DRIVE
		CITY:			STOUGHTON
		STATE:			MA
		ZIP:			02072
		BUSINESS PHONE:		781-713-3699

	MAIL ADDRESS:	
		STREET 1:		100 TECHNOLOGY CENTER DRIVE
		CITY:			STOUGHTON
		STATE:			MA
		ZIP:			02072

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COLLEGIUM PHARMACEUTICAL INC
		DATE OF NAME CHANGE:	20031020

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Heffernan Michael Thomas
		CENTRAL INDEX KEY:			0001448914
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		C/O AVALO THERAPEUTICS, INC.
		STREET 2:		1500 LIBERTY RIDGE DRIVE, SUITE 321
		CITY:			WAYNE
		STATE:			PA
		ZIP:			19087
</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>0001448914</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001267565</issuerCik>
      <issuerName>COLLEGIUM PHARMACEUTICAL, INC</issuerName>
      <secFileNumber>001-37372</secFileNumber>
      <issuerAddress>
        <com:street1>100 TECHNOLOGY CENTER DRIVE</com:street1>
        <com:city>STOUGHTON</com:city>
        <com:stateOrCountry>MA</com:stateOrCountry>
        <com:zipCode>02072</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>781-713-3699</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Heffernan Michael Thomas</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Former Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Fidelity Brokerage Services LLC</name>
        <address>
          <com:street1>900 Salem Street</com:street1>
          <com:city>Smithfield</com:city>
          <com:stateOrCountry>RI</com:stateOrCountry>
          <com:zipCode>02917</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>14210</noOfUnitsSold>
      <aggregateMarketValue>444062.16</aggregateMarketValue>
      <noOfUnitsOutstanding>32142192</noOfUnitsOutstanding>
      <approxSaleDate>07/07/2025</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>05/20/2021</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1352</amountOfSecuritiesAcquired>
      <paymentDate>05/20/2021</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>05/19/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>12858</amountOfSecuritiesAcquired>
      <paymentDate>05/19/2023</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Michael Heffernan</name>
        <address>
          <com:street1>100 Technology Center Drive</com:street1>
          <com:city>Stoughton</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>02072</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>07/02/2025</saleDate>
      <amountOfSecuritiesSold>25000</amountOfSecuritiesSold>
      <grossProceeds>757379.85</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>07/07/2025</noticeDate>
      <signature>/s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Michael Heffernan </signature>
    </noticeSignature>
  </formData>
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</SEC-DOCUMENT>
