<SEC-DOCUMENT>0001193125-24-105890-index.html : 20240423
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<ACCEPTANCE-DATETIME>20240423070549
ACCESSION NUMBER:		0001193125-24-105890
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		9
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:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39103
		FILM NUMBER:		24862673

	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>
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Document 1 - file: d448465ddefa14a.htm

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Document 2 - file: g448465dsp3d.jpg

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Document 3 - file: g448465dsp4a.jpg

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Document 4 - file: g448465dsp4b.jpg

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Document 5 - file: g448465dsp4c.jpg

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Document 6 - file: g448465dsp4e.jpg

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<DESCRIPTION>GRAPHIC
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Document 7 - file: g448465dsp4f.jpg

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<SEQUENCE>8
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Document 8 - file: g448465dsp4g.jpg

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Document 9 - file: g448465dsp4h.jpg

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