<SEC-DOCUMENT>0001453687-25-000110-index.html : 20251028
<SEC-HEADER>0001453687-25-000110.hdr.sgml : 20251028
<ACCEPTANCE-DATETIME>20251028160344
ACCESSION NUMBER:		0001453687-25-000110
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20251027
FILED AS OF DATE:		20251028
DATE AS OF CHANGE:		20251028

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Seymour June Ann
		CENTRAL INDEX KEY:			0002093716
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37798
		FILM NUMBER:		251424758

	MAIL ADDRESS:	
		STREET 1:		7495 NEW HORIZON WAY
		CITY:			FREDERICK
		STATE:			MD
		ZIP:			21703

ISSUER:		

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

	BUSINESS ADDRESS:	
		STREET 1:		7495 NEW HORIZON WAY
		CITY:			FREDERICK
		STATE:			MD
		ZIP:			21703
		BUSINESS PHONE:		301-348-8698

	MAIL ADDRESS:	
		STREET 1:		7495 NEW HORIZON WAY
		CITY:			FREDERICK
		STATE:			MD
		ZIP:			21703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SELECTA BIOSCIENCES INC
		DATE OF NAME CHANGE:	20090109
</SEC-HEADER>
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<SEQUENCE>2
<FILENAME>a20251027section16poasey.htm
<DESCRIPTION>EX-24
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Document 2 - file: a20251027section16poasey.htm

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<TEXT>
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