<SEC-DOCUMENT>0001950047-24-008952.txt : 20241121
<SEC-HEADER>0001950047-24-008952.hdr.sgml : 20241121
<ACCEPTANCE-DATETIME>20241121164506
ACCESSION NUMBER:		0001950047-24-008952
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20241121
DATE AS OF CHANGE:		20241121

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:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-37798
		FILM NUMBER:		241485099

	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

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Kurtoglu Metin
		CENTRAL INDEX KEY:			0002000284
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		C/O CARTESIAN THERAPEUTICS, INC.
		STREET 2:		704 QUINCE ORCHARD RD
		CITY:			GAITHERSBURG
		STATE:			MD
		ZIP:			20878
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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                <filerCredentials>
                    <cik>0002000284</cik>
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            <issuerCik>0001453687</issuerCik>
            <issuerName>CARTESIAN THERAPEUTICS, INC</issuerName>
            <secFileNumber>001-37798</secFileNumber>
            <issuerAddress>
                <ns2:street1>7495 NEW HORIZON WAY</ns2:street1>
                <ns2:city>FREDERICK</ns2:city>
                <ns2:stateOrCountry>MD</ns2:stateOrCountry>
                <ns2:zipCode>21703</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>301-348-8698</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>METIN KURTOGLU</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>32789</noOfUnitsSold>
            <aggregateMarketValue>546559.84</aggregateMarketValue>
            <noOfUnitsOutstanding>25414898</noOfUnitsOutstanding>
            <approxSaleDate>11/21/2024</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>11/21/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Exercise of options under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>32789</amountOfSecuritiesAcquired>
            <paymentDate>11/21/2024</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
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                <name>METIN KURTOGLU</name>
                <address>
                    <ns2:street1>7495 NEW HORIZON WAY</ns2:street1>
                    <ns2:city>FREDERICK</ns2:city>
                    <ns2:stateOrCountry>MD</ns2:stateOrCountry>
                    <ns2:zipCode>21703</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>11/20/2024</saleDate>
            <amountOfSecuritiesSold>5700</amountOfSecuritiesSold>
            <grossProceeds>98570.10</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>METIN KURTOGLU</name>
                <address>
                    <ns2:street1>7495 NEW HORIZON WAY</ns2:street1>
                    <ns2:city>FREDERICK</ns2:city>
                    <ns2:stateOrCountry>MD</ns2:stateOrCountry>
                    <ns2:zipCode>21703</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>11/19/2024</saleDate>
            <amountOfSecuritiesSold>200</amountOfSecuritiesSold>
            <grossProceeds>3900.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>METIN KURTOGLU</name>
                <address>
                    <ns2:street1>7495 NEW HORIZON WAY</ns2:street1>
                    <ns2:city>FREDERICK</ns2:city>
                    <ns2:stateOrCountry>MD</ns2:stateOrCountry>
                    <ns2:zipCode>21703</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>11/18/2024</saleDate>
            <amountOfSecuritiesSold>34400</amountOfSecuritiesSold>
            <grossProceeds>632640.08</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>METIN KURTOGLU</name>
                <address>
                    <ns2:street1>7495 NEW HORIZON WAY</ns2:street1>
                    <ns2:city>FREDERICK</ns2:city>
                    <ns2:stateOrCountry>MD</ns2:stateOrCountry>
                    <ns2:zipCode>21703</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>11/15/2024</saleDate>
            <amountOfSecuritiesSold>22068</amountOfSecuritiesSold>
            <grossProceeds>379496.78</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>METIN KURTOGLU</name>
                <address>
                    <ns2:street1>7495 NEW HORIZON WAY</ns2:street1>
                    <ns2:city>FREDERICK</ns2:city>
                    <ns2:stateOrCountry>MD</ns2:stateOrCountry>
                    <ns2:zipCode>21703</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>11/14/2024</saleDate>
            <amountOfSecuritiesSold>25900</amountOfSecuritiesSold>
            <grossProceeds>425899.60</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>11/21/2024</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ Metin Kurtoglu</signature>
        </noticeSignature>
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</DOCUMENT>
</SEC-DOCUMENT>
