    <SEC-DOCUMENT>0001193125-25-168035-index.html : 20250729
    <SEC-HEADER>0001193125-25-168035.hdr.sgml : 20250729
    <ACCEPTANCE-DATETIME>20250729163412
    ACCESSION NUMBER:		0001193125-25-168035
    CONFORMED SUBMISSION TYPE:	424B5
    PUBLIC DOCUMENT COUNT:		4
    FILED AS OF DATE:		20250729
    DATE AS OF CHANGE:		20250729

    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:		424B5
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-279275
    		FILM NUMBER:		251162301

    	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>424B5
    <SEQUENCE>1
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    <DESCRIPTION>424B5
    <TEXT>
    Document 1 - file: d12792d424b5.htm

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    <SEQUENCE>2
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g12792g00a01.jpg

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    <DOCUMENT>
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    <SEQUENCE>3
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g12792g00a04.jpg

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    <DOCUMENT>
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    <SEQUENCE>4
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g12792g00a38.jpg

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