<SEC-DOCUMENT>0001104659-23-080100.txt : 20230711
<SEC-HEADER>0001104659-23-080100.hdr.sgml : 20230711
<ACCEPTANCE-DATETIME>20230711203037
ACCESSION NUMBER:		0001104659-23-080100
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230707
FILED AS OF DATE:		20230711
DATE AS OF CHANGE:		20230711

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Capponi Vincent
		CENTRAL INDEX KEY:			0001368151

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36792
		FILM NUMBER:		231083089

	MAIL ADDRESS:	
		STREET 1:		MEDASORB TECHNOLOGIES
		STREET 2:		7 DEER PARK DRIVE, SUITE K
		CITY:			MONMOUTH JUNCTION
		STATE:			NJ
		ZIP:			08852

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Cytosorbents Corp
		CENTRAL INDEX KEY:			0001175151
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				980373793
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		305 COLLEGE ROAD EAST
		CITY:			PRINCETON
		STATE:			NJ
		ZIP:			08540
		BUSINESS PHONE:		973-329-8885

	MAIL ADDRESS:	
		STREET 1:		305 COLLEGE ROAD EAST
		CITY:			PRINCETON
		STATE:			NJ
		ZIP:			08540

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MedaSorb Technologies CORP
		DATE OF NAME CHANGE:	20060807

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GILDER ENTERPRISES INC
		DATE OF NAME CHANGE:	20020611
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>tm2321021-2_4seq1.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
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<ownershipDocument>

    <schemaVersion>X0407</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-07-07</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001175151</issuerCik>
        <issuerName>Cytosorbents Corp</issuerName>
        <issuerTradingSymbol>CTSO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001368151</rptOwnerCik>
            <rptOwnerName>Capponi Vincent</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CYTOSORBENTS CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>305 COLLEGE ROAD EAST</rptOwnerStreet2>
            <rptOwnerCity>PRINCETON</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>08540</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President &amp; COO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-07-07</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>73000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>576153</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
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    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.53</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2023-07-07</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>91000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F5"/>
            </exerciseDate>
            <expirationDate>
                <value>2033-07-07</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>91000</value>
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            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>91000</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.53</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2023-07-07</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>42000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F6"/>
            </exerciseDate>
            <expirationDate>
                <value>2033-07-07</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>42000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>42000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </derivativeTransaction>
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    <footnotes>
        <footnote id="F1">These shares represent restricted stock units (&quot;RSUs&quot;) which shall vest as to two-thirds of the award on the first anniversary of the date of grant and shall vest as to one-third of the award on the second anniversary of the date of grant, subject to the reporting person's continued service as of the applicable vesting date.</footnote>
        <footnote id="F2">Includes (a) the following RSUs that will be settled into Common Stock upon vesting upon a &quot;Change In Control&quot; of CytoSorbents Corporation (the &quot;Company&quot;) as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan (the &quot;Plan&quot;): (i) 10,100 RSUs granted on March 15, 2018, (ii) 17,900 RSUs granted on February 24, 2017, (iii) 54,000 RSUs granted on June 7, 2016 and (iv) 125,000 RSUs granted on April 8, 2015;</footnote>
        <footnote id="F3">(continued from footnote 2) (b) the following RSUs: (i) 46,000 RSUs granted on August 10, 2022 and unvested as of the date hereof (which vest as to one-third of the award on each of the date of grant, the first anniversary of the date of grant, and the second anniversary of the date of grant, subject to the reporting person's continued service as of the applicable vesting date) and (ii) 73,000 RSUs granted on July 7, 2023 and reported on this Form 4; and</footnote>
        <footnote id="F4">(continued from footnote 3) (c) 250,153 shares of Common Stock owned by the reporting person.</footnote>
        <footnote id="F5">These stock options were granted pursuant to the Plan. The shares underlying these stock options vest as to one-half of the award on the first anniversary of the date of grant, one-fourth of the award on the second anniversary of the date of grant, and one-fourth of the award on the third anniversary of the date of grant, subject to the reporting person's continued service as of the applicable vesting date.</footnote>
        <footnote id="F6">These stock options were granted pursuant to the Plan. The shares underlying these stock options vest as to one-half of the award on each of the first anniversary of the date of grant and the second anniversary of the date of grant, subject to the reporting person's continued service as of the applicable vesting date.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Kathleen P. Bloch attorney-in-fact for Vincent Capponi</signatureName>
        <signatureDate>2023-07-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
