    <SEC-DOCUMENT>0001193125-24-135337-index.html : 20240509
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    <ACCEPTANCE-DATETIME>20240509165031
    ACCESSION NUMBER:		0001193125-24-135337
    CONFORMED SUBMISSION TYPE:	S-3
    PUBLIC DOCUMENT COUNT:		11
    FILED AS OF DATE:		20240509
    DATE AS OF CHANGE:		20240509

    FILER:

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

    	FILING VALUES:
    		FORM TYPE:		S-3
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-279275
    		FILM NUMBER:		24931555

    	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
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    <SEQUENCE>1
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    <DESCRIPTION>S-3
    <TEXT>
    Document 1 - file: d823033ds3.htm

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    <DOCUMENT>
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    <SEQUENCE>2
    <FILENAME>d823033dex12.htm
    <DESCRIPTION>EX-1.2
    <TEXT>
    Document 2 - file: d823033dex12.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-4.4
    <SEQUENCE>3
    <FILENAME>d823033dex44.htm
    <DESCRIPTION>EX-4.4
    <TEXT>
    Document 3 - file: d823033dex44.htm

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    <SEQUENCE>4
    <FILENAME>d823033dex51.htm
    <DESCRIPTION>EX-5.1
    <TEXT>
    Document 4 - file: d823033dex51.htm

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    <SEQUENCE>5
    <FILENAME>d823033dex52.htm
    <DESCRIPTION>EX-5.2
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    Document 5 - file: d823033dex52.htm

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    <SEQUENCE>6
    <FILENAME>d823033dex231.htm
    <DESCRIPTION>EX-23.1
    <TEXT>
    Document 6 - file: d823033dex231.htm

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    <TYPE>EX-FILING FEES
    <SEQUENCE>7
    <FILENAME>d823033dexfilingfees.htm
    <DESCRIPTION>EX-FILING FEES
    <TEXT>
    Document 7 - file: d823033dexfilingfees.htm

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    <DESCRIPTION>GRAPHIC
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    <DESCRIPTION>GRAPHIC
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    Document 9 - file: g823033g00a40.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 10 - file: g823033g00a64.jpg

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    <DOCUMENT>
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    <SEQUENCE>11
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g823033g0507073315005.jpg

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