<SEC-DOCUMENT>0001213900-24-082736-index.html : 20240927
<SEC-HEADER>0001213900-24-082736.hdr.sgml : 20240927
<ACCEPTANCE-DATETIME>20240927162032
ACCESSION NUMBER:		0001213900-24-082736
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20240927
DATE AS OF CHANGE:		20240927
GROUP MEMBERS:		CHAFEN LU
GROUP MEMBERS:		TAS PARTNERS LLC

SUBJECT COMPANY:	

	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

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-89550
		FILM NUMBER:		241335137

	BUSINESS ADDRESS:	
		STREET 1:		704 QUINCE ORCHARD RD
		CITY:			GAITHERSBURG
		STATE:			MD
		ZIP:			20878
		BUSINESS PHONE:		617-923-1400

	MAIL ADDRESS:	
		STREET 1:		704 QUINCE ORCHARD RD
		CITY:			GAITHERSBURG
		STATE:			MD
		ZIP:			20878

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SELECTA BIOSCIENCES INC
		DATE OF NAME CHANGE:	20090109

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SPRINGER TIMOTHY A
		CENTRAL INDEX KEY:			0001055624
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	MAIL ADDRESS:	
		STREET 1:		36 WOODMAN ROAD
		CITY:			CHESTNUT HILL
		STATE:			MA
		ZIP:			02467
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>ea0215881-13da15spring_cart.htm
<DESCRIPTION>AMENDMENT NO. 15 TO SCHEDULE 13D
<TEXT>
Document 1 - file: ea0215881-13da15spring_cart.htm

</DOCUMENT>
</SEC-DOCUMENT>