    <SEC-DOCUMENT>0001104659-25-029369-index.html : 20250328
    <SEC-HEADER>0001104659-25-029369.hdr.sgml : 20250328
    <ACCEPTANCE-DATETIME>20250328161022
    ACCESSION NUMBER:		0001104659-25-029369
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20241231
    FILED AS OF DATE:		20250328
    DATE AS OF CHANGE:		20250328
    EFFECTIVENESS DATE:		20250328

    FILER:

    	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:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-37372
    		FILM NUMBER:		25786084

    	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
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>ARS
    <SEQUENCE>1
    <FILENAME>tm257939d2_ars.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: tm257939d2_ars.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>