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ACCESSION NUMBER:		0000950123-19-009056
CONFORMED SUBMISSION TYPE:	DRS/A
PUBLIC DOCUMENT COUNT:		21
FILED AS OF DATE:		20190920
<PUBLIC-REL-DATE>20190930
DATE AS OF CHANGE:		20190920

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Cabaletta Bio, Inc.
		CENTRAL INDEX KEY:			0001759138
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DRS/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	377-02766
		FILM NUMBER:		191105436

	BUSINESS ADDRESS:	
		STREET 1:		501 NORTHWICK LANE
		CITY:			VILLANOVA
		STATE:			PA
		ZIP:			19085
		BUSINESS PHONE:		(610) 659-0200

	MAIL ADDRESS:	
		STREET 1:		501 NORTHWICK LANE
		CITY:			VILLANOVA
		STATE:			PA
		ZIP:			19085
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