<SEC-DOCUMENT>0001453687-24-000070-index.html : 20240419
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<ACCEPTANCE-DATETIME>20240419164933
ACCESSION NUMBER:		0001453687-24-000070
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20240409
FILED AS OF DATE:		20240419
DATE AS OF CHANGE:		20240419

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			English Emily
		CENTRAL INDEX KEY:			0002019791
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37798
		FILM NUMBER:		24858477

	MAIL ADDRESS:	
		STREET 1:		C/O CARTESIAN THERAPEUTICS, INC.
		STREET 2:		704 QUINCE ORCHARD ROAD
		CITY:			GAITHERSBURG
		STATE:			MD
		ZIP:			20878

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Cartesian Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001453687
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		65 GROVE STREET
		CITY:			WATERTOWN
		STATE:			MA
		ZIP:			02472
		BUSINESS PHONE:		617-923-1400

	MAIL ADDRESS:	
		STREET 1:		65 GROVE STREET
		CITY:			WATERTOWN
		STATE:			MA
		ZIP:			02472

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SELECTA BIOSCIENCES INC
		DATE OF NAME CHANGE:	20090109
</SEC-HEADER>
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<SEQUENCE>1
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<DESCRIPTION>FORM 3
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Document 1 - RAW XML: wk-form3_1713559759.xml

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<TYPE>EX-24
<SEQUENCE>2
<FILENAME>cartesian-edgarpowerofat.htm
<DESCRIPTION>EX-24
<TEXT>
Document 2 - file: cartesian-edgarpowerofat.htm

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<SEQUENCE>3
<FILENAME>cartesian-edgarpowerofat001.jpg
<TEXT>
Document 3 - file: cartesian-edgarpowerofat001.jpg

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<SEQUENCE>4
<FILENAME>cartesian-edgarpowerofat002.jpg
<TEXT>
Document 4 - file: cartesian-edgarpowerofat002.jpg

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<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>cartesian-edgarpowerofat003.jpg
<TEXT>
Document 5 - file: cartesian-edgarpowerofat003.jpg

</DOCUMENT>
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