<SEC-DOCUMENT>0001140361-24-041567-index.html : 20240920
<SEC-HEADER>0001140361-24-041567.hdr.sgml : 20240920
<ACCEPTANCE-DATETIME>20240920161705
ACCESSION NUMBER:		0001140361-24-041567
CONFORMED SUBMISSION TYPE:	S-1/A
PUBLIC DOCUMENT COUNT:		11
FILED AS OF DATE:		20240920
DATE AS OF CHANGE:		20240920

FILER:

	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:		S-1/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-281204
		FILM NUMBER:		241313603

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-1/A
<SEQUENCE>1
<FILENAME>ny20033174x4_s1a.htm
<DESCRIPTION>S-1/A
<TEXT>
Document 1 - file: ny20033174x4_s1a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>ny20033174x4_ex23-1.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 2 - file: ny20033174x4_ex23-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>3
<FILENAME>ny20033174x4_ex23-2.htm
<DESCRIPTION>EXHIBIT 23.2
<TEXT>
Document 3 - file: ny20033174x4_ex23-2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>logo_cartesian.jpg
<TEXT>
Document 4 - file: logo_cartesian.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>logo_cartesianx1.jpg
<TEXT>
Document 5 - file: logo_cartesianx1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>ny20033174x4_diagram01.jpg
<TEXT>
Document 6 - file: ny20033174x4_diagram01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>ny20033174x4_diagram02.jpg
<TEXT>
Document 7 - file: ny20033174x4_diagram02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>ny20033174x4_diagram03.jpg
<TEXT>
Document 8 - file: ny20033174x4_diagram03.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>ny20033174x4_linecharts01.jpg
<TEXT>
Document 9 - file: ny20033174x4_linecharts01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>ny20033174x4_linecharts02.jpg
<TEXT>
Document 10 - file: ny20033174x4_linecharts02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>ny20033174x4_safety.jpg
<TEXT>
Document 11 - file: ny20033174x4_safety.jpg

</DOCUMENT>
</SEC-DOCUMENT>