    <SEC-DOCUMENT>0001104659-21-045988-index.html : 20210402
    <SEC-HEADER>0001104659-21-045988.hdr.sgml : 20210402
    <ACCEPTANCE-DATETIME>20210402132028
    ACCESSION NUMBER:		0001104659-21-045988
    CONFORMED SUBMISSION TYPE:	PRE 14A
    PUBLIC DOCUMENT COUNT:		4
    CONFORMED PERIOD OF REPORT:	20210602
    FILED AS OF DATE:		20210402
    DATE AS OF CHANGE:		20210402

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			CATABASIS PHARMACEUTICALS INC
    		CENTRAL INDEX KEY:			0001454789
    		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		PRE 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-37467
    		FILM NUMBER:		21801352

    	BUSINESS ADDRESS:
    		STREET 1:		100 HIGH STREET
    		STREET 2:		28TH FLOOR
    		CITY:			BOSTON
    		STATE:			MA
    		ZIP:			02110
    		BUSINESS PHONE:		617-349-1971

    	MAIL ADDRESS:
    		STREET 1:		100 HIGH STREET
    		STREET 2:		28TH FLOOR
    		CITY:			BOSTON
    		STATE:			MA
    		ZIP:			02110
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>PRE 14A
    <SEQUENCE>1
    <FILENAME>tm212419-1_pre14a.htm
    <DESCRIPTION>PRE 14A
    <TEXT>
    Document 1 - file: tm212419-1_pre14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>sg_jillmilne-bw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: sg_jillmilne-bw.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>tm212419d1-proxy_1pagebw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: tm212419d1-proxy_1pagebw.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>tm212419d1-proxy_2pagebw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: tm212419d1-proxy_2pagebw.jpg

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    </SEC-DOCUMENT>