<SEC-DOCUMENT>0001019056-23-000134-index.html : 20230214
<SEC-HEADER>0001019056-23-000134.hdr.sgml : 20230214
<ACCEPTANCE-DATETIME>20230214072103
ACCESSION NUMBER:		0001019056-23-000134
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20230214
DATE AS OF CHANGE:		20230214
GROUP MEMBERS:		EVERSEPT 1 LLC
GROUP MEMBERS:		EVERSEPT GLOBAL HEALTHCARE FUND, L.P.
GROUP MEMBERS:		EVERSEPT GP, LLC
GROUP MEMBERS:		EVERSEPT PARTNERS, L.P.
GROUP MEMBERS:		KAMRAN MOGHTADERI

SUBJECT COMPANY:	

	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:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-91178
		FILM NUMBER:		23622362

	BUSINESS ADDRESS:	
		STREET 1:		2929 ARCH STREET
		STREET 2:		SUITE 600
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19104
		BUSINESS PHONE:		(267) 759-3100

	MAIL ADDRESS:	
		STREET 1:		2929 ARCH STREET
		STREET 2:		SUITE 600
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19104

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Eversept Partners, LP
		CENTRAL INDEX KEY:			0001697013
		IRS NUMBER:				475115829
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		444 MADISON AVENUE
		STREET 2:		22ND FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		212-271-4200

	MAIL ADDRESS:	
		STREET 1:		444 MADISON AVENUE
		STREET 2:		22ND FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Eversept Partners, L.P.
		DATE OF NAME CHANGE:	20180628

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Eversept Partners, LLC
		DATE OF NAME CHANGE:	20170202
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>cabaletta_13ga1.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: cabaletta_13ga1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.A
<SEQUENCE>2
<FILENAME>ex_a.htm
<DESCRIPTION>EXHIBIT A
<TEXT>
Document 2 - file: ex_a.htm

</DOCUMENT>
</SEC-DOCUMENT>