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    ACCESSION NUMBER:		0001140361-24-032080
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		50
    CONFORMED PERIOD OF REPORT:	20240701
    ITEM INFORMATION:		Entry into a Material Definitive Agreement
    ITEM INFORMATION:		Unregistered Sales of Equity Securities
    ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
    ITEM INFORMATION:		Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Other Events
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20240702
    DATE AS OF CHANGE:		20240702

    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:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-37798
    		FILM NUMBER:		241092852

    	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
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