<SEC-DOCUMENT>0001104659-20-131646.txt : 20201202
<SEC-HEADER>0001104659-20-131646.hdr.sgml : 20201202
<ACCEPTANCE-DATETIME>20201202175241
ACCESSION NUMBER:		0001104659-20-131646
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20201130
FILED AS OF DATE:		20201202
DATE AS OF CHANGE:		20201202

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Sandgaard Thomas
		CENTRAL INDEX KEY:			0001322971

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38804
		FILM NUMBER:		201364984

	MAIL ADDRESS:	
		STREET 1:		10506 KALAHARI CT.
		CITY:			LONE TREE
		STATE:			CO
		ZIP:			80124

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Sandgaard Holdings LLC
		CENTRAL INDEX KEY:			0001745071
		STATE OF INCORPORATION:			CO
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38804
		FILM NUMBER:		201364985

	BUSINESS ADDRESS:	
		STREET 1:		9555 MAROON CIRCLE
		CITY:			ENGLEWOOD
		STATE:			CO
		ZIP:			80112
		BUSINESS PHONE:		303-703-4906

	MAIL ADDRESS:	
		STREET 1:		9555 MAROON CIRCLE
		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:		9555 MAROON CIRCLE
		CITY:			ENGLEWOOD
		STATE:			CO
		ZIP:			80112
		BUSINESS PHONE:		(303) 867-3904

	MAIL ADDRESS:	
		STREET 1:		9555 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>tm2037599-2_4.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-11-30</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001322971</rptOwnerCik>
            <rptOwnerName>Sandgaard Thomas</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>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President, CEO and Chairman</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001745071</rptOwnerCik>
            <rptOwnerName>Sandgaard Holdings LLC</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>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-08-27</value>
                <footnoteId id="F1"/>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>11386450</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                    <footnoteId id="F1"/>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>13794521</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-08-27</value>
                <footnoteId id="F1"/>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>11386450</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                    <footnoteId id="F1"/>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1295550</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Held by Sandgaard Holdings LLC</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-11-30</value>
                <footnoteId id="F1"/>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>194333</value>
                    <footnoteId id="F4"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                    <footnoteId id="F4"/>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1101217</value>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Held by Sandgaard Holdings LLC</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-11-30</value>
                <footnoteId id="F1"/>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>9068</value>
                    <footnoteId id="F5"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F5"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                    <footnoteId id="F5"/>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1092149</value>
                    <footnoteId id="F5"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Held by Sandgaard Holdings LLC</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">In connection with the estate planning transactions discussed herein, on August 27, 2020, Mr. Sandgaard re-registered, resulting in direct ownership of, 11,386,450 additional shares of the Issuer's common stock previously owned indirectly through Sandgaard Holdings LLC.</footnote>
        <footnote id="F2">Includes 75,000 restricted stock grants that have previously vested and 25,000 restricted stock grants that vest within 60 days but excludes options to purchase 191,750 shares of common stock that are exercisable within 60 days and excludes options to purchase 2,250 shares of common stock that would not vest within 60 days.</footnote>
        <footnote id="F3">see Exhibit 99.1</footnote>
        <footnote id="F4">Reflects the disposition of pecuniary interest in 194,333 shares of common stock held by Sandgaard Holdings LLC, which shares are attributable to the ownership interest in Sandgaard Holdings LLC transferred to The Sandgaard Family Trust.</footnote>
        <footnote id="F5">Reflects the disposition of pecuniary interest in 9,068 shares of common stock held by Sandgaard Holdings LLC, which shares are attributable to the ownership interest in Sandgaard Holdings LLC transferred to Thomas Sandgaard 2020 Voting Trust.</footnote>
        <footnote id="F6">Mr. Sandgaard transferred all of his ownership interests in Sandgaard Holdings LLC of which Mr. Thomas Sandgaard remains the sole manager.  The transfers of Mr. Sandgaard's ownership interests in Sandgaard Holdings LLC were effected for tax and estate planning purposes.  In addition to the dispositions of pecuniary interest described herein, this report is intended to update the changed nature of the indirect holdings.  Sandgaard Holdings LLC remains the holder of 1,295,550 shares of common stock, the pecuniary interest over which is attributable to the various trusts, and in the relative percentages, described above.</footnote>
    </footnotes>

    <remarks>The shares of the Issuer's common stock listed above remain subject to a Rule 10b5-1 trading plan.</remarks>

    <ownerSignature>
        <signatureName>/s/ Sandgaard Thomas</signatureName>
        <signatureDate>2020-12-02</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Sandgaard Thomas, Member of Sandgaard Holdings LLC</signatureName>
        <signatureDate>2020-12-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
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<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>tm2037599d2_ex99-1.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
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<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<P STYLE="text-align: right; margin-top: 0; margin-bottom: 0"><B>Exhibit 99.1</B></P>

<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in">(3)</TD><TD>On November 30, 2020, Mr. Sandgaard completed several estate planning transactions pursuant to which he transferred all of
his holdings in Sandgaard Holdings LLC to various trusts. Although Sandgaard Holdings LLC remains the holder of 1,295,550 shares
of the Issuer&rsquo;s common stock, certain transfers resulted in changes in pecuniary interest in the underlying shares held by
Sandgaard Holdings LLC. Accordingly, the transactions reported as a disposition herein reflect the transfers to trusts of pecuniary
interest in the underlying shares of the Issuer&rsquo;s common stock held by Sandgaard Holdings LLC. As a result of the estate
planning transactions, Mr. Sandgaard completed the following transfers of his ownership in Sandgaard Holdings LLC:</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.75in"></TD><TD STYLE="width: 0.25in">a.</TD><TD>Mr. Sandgaard transferred, partially by gift and partially in consideration for a promissory note, a 15% ownership interest
in Sandgaard Holdings LLC to The Sandgaard Family Trust, for which Mr. Sandgaard in neither the trustee nor the beneficiary.</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.75in"></TD><TD STYLE="width: 0.25in">b.</TD><TD>Mr. Sandgaard transferred, by gift, a 0.7% ownership interest in Sandgaard Holdings LLC to Thomas Sandgaard 2020 Voting Trust,
for which Mr. Sandgaard in neither the trustee nor the beneficiary.</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.75in"></TD><TD STYLE="width: 0.25in">c.</TD><TD>Mr. Sandgaard transferred, by gift, a 69.3% ownership interest in Sandgaard Holdings LLC to Guardian Angel Trust U/A/D 8/21/18,
for which Mr. Sandgaard is the sole lifetime beneficiary.</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.75in"></TD><TD STYLE="width: 0.25in">d.</TD><TD>Mr. Sandgaard transferred, by gift, a 15% ownership interest in Sandgaard Holdings LLC to Blue Ocean Trust, for which Mr. Sandgaard
is the sole lifetime beneficiary.</TD></TR></TABLE>

<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<P STYLE="margin-top: 0; margin-bottom: 0"></P>

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