<SEC-DOCUMENT>0001193125-24-105870-index.html : 20240423
<SEC-HEADER>0001193125-24-105870.hdr.sgml : 20240423
<ACCEPTANCE-DATETIME>20240423070057
ACCESSION NUMBER:		0001193125-24-105870
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		12
CONFORMED PERIOD OF REPORT:	20240603
FILED AS OF DATE:		20240423
DATE AS OF CHANGE:		20240423

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Cabaletta Bio, Inc.
		CENTRAL INDEX KEY:			0001759138
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39103
		FILM NUMBER:		24862666

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>d448465ddef14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: d448465ddef14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g448465dsp2.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g448465dsp2.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g448465dsp2a.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g448465dsp2a.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g448465dsp2b.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g448465dsp2b.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g448465dsp2c.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g448465dsp2c.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g448465dsp2d.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g448465dsp2d.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g448465dsp2e.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g448465dsp2e.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g448465dsp2f.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g448465dsp2f.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g448465dsp2g.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: g448465dsp2g.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>g448465dsp3a.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: g448465dsp3a.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>g448465dsp3c.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: g448465dsp3c.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>g448465g01a02.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: g448465g01a02.jpg
</DOCUMENT> </SEC-DOCUMENT>