<SEC-DOCUMENT>0000899243-23-008391.txt : 20230314
<SEC-HEADER>0000899243-23-008391.hdr.sgml : 20230314
<ACCEPTANCE-DATETIME>20230314161513
ACCESSION NUMBER:		0000899243-23-008391
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230312
FILED AS OF DATE:		20230314
DATE AS OF CHANGE:		20230314

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Park Shin Young
		CENTRAL INDEX KEY:			0001805443

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34791
		FILM NUMBER:		23731072

	MAIL ADDRESS:	
		STREET 1:		60 SOUTH MARKET STREET
		STREET 2:		SUITE 750
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95113

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MAGNACHIP SEMICONDUCTOR Corp
		CENTRAL INDEX KEY:			0001325702
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				830406195
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		C/O MAGNACHIP SEMICONDUCTOR S.A.
		STREET 2:		74, RUE DE MERL
		CITY:			LUXEMBOURG
		STATE:			N4
		ZIP:			L-2146
		BUSINESS PHONE:		(352) 45-62-62

	MAIL ADDRESS:	
		STREET 1:		C/O MAGNACHIP SEMICONDUCTOR S.A.
		STREET 2:		74, RUE DE MERL
		CITY:			LUXEMBOURG
		STATE:			N4
		ZIP:			L-2146

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MAGNACHIP SEMICONDUCTOR LLC
		DATE OF NAME CHANGE:	20110304

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MAGNACHIP SEMICONDUCTOR Corp
		DATE OF NAME CHANGE:	20110303

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MAGNACHIP SEMICONDUCTOR LLC
		DATE OF NAME CHANGE:	20100701
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-03-12</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001325702</issuerCik>
        <issuerName>MAGNACHIP SEMICONDUCTOR Corp</issuerName>
        <issuerTradingSymbol>MX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001805443</rptOwnerCik>
            <rptOwnerName>Park Shin Young</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MAGNACHIP SEMICONDUCTOR, LTD.,</rptOwnerStreet1>
            <rptOwnerStreet2>108, YEOUI-DAERO, YEONGDEUNGPO-GU</rptOwnerStreet2>
            <rptOwnerCity>SEOUL</rptOwnerCity>
            <rptOwnerState>M5</rptOwnerState>
            <rptOwnerZipCode>07335</rptOwnerZipCode>
            <rptOwnerStateDescription>KOREA, REPUBLIC OF</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>See Remarks</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-03-12</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1521</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>9.39</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>77935</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This transaction represents the withholding by the Issuer of 1,521 shares of common stock to satisfy tax withholding obligations incurred by the Reporting Person upon the vesting of 3,333 shares of common stock originally awarded to the Reporting Person on March 12, 2020.</footnote>
    </footnotes>

    <remarks>Chief Financial Officer</remarks>

    <ownerSignature>
        <signatureName>/s/ Theodore Kim, Attorney-in-Fact</signatureName>
        <signatureDate>2023-03-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
