    <SEC-DOCUMENT>0000950170-25-053030-index.html : 20250411
    <SEC-HEADER>0000950170-25-053030.hdr.sgml : 20250411
    <ACCEPTANCE-DATETIME>20250411074536
    ACCESSION NUMBER:		0000950170-25-053030
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20241231
    FILED AS OF DATE:		20250411
    DATE AS OF CHANGE:		20250411
    EFFECTIVENESS DATE:		20250411

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Larimar Therapeutics, Inc.
    		CENTRAL INDEX KEY:			0001374690
    		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
    		ORGANIZATION NAME:           	03 Life Sciences
    		EIN:				203857670
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-36510
    		FILM NUMBER:		25829877

    	BUSINESS ADDRESS:
    		STREET 1:		THREE BALA PLAZA EAST. SUITE 506
    		CITY:			BALA CYNWYD
    		STATE:			PA
    		ZIP:			19004
    		BUSINESS PHONE:		844-511-9056

    	MAIL ADDRESS:
    		STREET 1:		THREE BALA PLAZA EAST. SUITE 506
    		CITY:			BALA CYNWYD
    		STATE:			PA
    		ZIP:			19004

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ZAFGEN, INC.
    		DATE OF NAME CHANGE:	20100301

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ZAFGEN INC
    		DATE OF NAME CHANGE:	20060906
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>ARS
    <SEQUENCE>1
    <FILENAME>lrmr_ars_02apr2024.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: lrmr_ars_02apr2024.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>