<SEC-DOCUMENT>0001104659-21-113839.txt : 20210908
<SEC-HEADER>0001104659-21-113839.hdr.sgml : 20210908
<ACCEPTANCE-DATETIME>20210908170050
ACCESSION NUMBER:		0001104659-21-113839
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210905
FILED AS OF DATE:		20210908
DATE AS OF CHANGE:		20210908

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MOORHEAD DANIEL J
		CENTRAL INDEX KEY:			0001536000

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38804
		FILM NUMBER:		211242769

	MAIL ADDRESS:	
		STREET 1:		9777 PYRAMID CT
		STREET 2:		STE 100
		CITY:			ENGLEWOOD
		STATE:			CO
		ZIP:			80112

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ZYNEX INC
		CENTRAL INDEX KEY:			0000846475
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845]
		IRS NUMBER:				870403828
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		9655 MAROON CIRCLE
		CITY:			ENGLEWOOD
		STATE:			CO
		ZIP:			80112
		BUSINESS PHONE:		(800)-495-6670

	MAIL ADDRESS:	
		STREET 1:		9655 MAROON CIRCLE
		CITY:			ENGLEWOOD
		STATE:			CO
		ZIP:			80112

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ZYNEX MEDICAL HOLDINGS INC
		DATE OF NAME CHANGE:	20050812

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ZYNEX MEDICAL HOLDINGS   INC
		DATE OF NAME CHANGE:	20040120

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FOX RIVER HOLDINGS  INC
		DATE OF NAME CHANGE:	20031126
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>tm2123662d3_4.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-09-05</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000846475</issuerCik>
        <issuerName>ZYNEX INC</issuerName>
        <issuerTradingSymbol>ZYXI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001536000</rptOwnerCik>
            <rptOwnerName>MOORHEAD DANIEL J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ZYNEX, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>9555 MAROON CIRCLE</rptOwnerStreet2>
            <rptOwnerCity>ENGLEWOOD</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80112</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Financial Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock (Restricted Stock Award)</value>
            </securityTitle>
            <transactionDate>
                <value>2021-09-05</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>105509</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-09-07</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1389</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>13.12</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>19155</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents a restricted stock award issued pursuant to the Issuer's 2017 Stock Incentive Plan (the &quot;Plan&quot;) pursuant to which the 5,000 shares vest equally, on an annual basis, over a period of four years beginning one year from the grant date.</footnote>
        <footnote id="F2">Represents restricted stock awards under the Plan, which have not vested.</footnote>
        <footnote id="F3">Represents the number of shares of Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of Restricted Stock Awards (&quot;RSAs&quot;) and does not represent a sale.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Daniel Moorhead</signatureName>
        <signatureDate>2021-09-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
