<SEC-DOCUMENT>0001181431-12-061983.txt : 20121204
<SEC-HEADER>0001181431-12-061983.hdr.sgml : 20121204
<ACCEPTANCE-DATETIME>20121204060651
ACCESSION NUMBER:		0001181431-12-061983
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20121203
FILED AS OF DATE:		20121204
DATE AS OF CHANGE:		20121204

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			McFarland John
		CENTRAL INDEX KEY:			0001486742

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34791
		FILM NUMBER:		121239065

	MAIL ADDRESS:	
		STREET 1:		C/O MAGNACHIP SEMICONDUCTOR, INC.
		STREET 2:		20400 STEVENS CREEK BOULEVARD, SUITE 370
		CITY:			CUPERTINO
		STATE:			CA
		ZIP:			95014

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>rrd362209.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2012-12-03</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001486742</rptOwnerCik>
            <rptOwnerName>McFarland John</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>20400 STEVENS CREEK BOULEVARD, SUITE 370</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CUPERTINO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95014</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Executive VP, GC &amp; Secretary</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2012-12-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>14280</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>12.67</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>27839</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.48 to $13.04, inclusive. The reporting person undertakes to provide to MagnaChip Semiconductor Corporation, any security holder of MagnaChip Semiconductor Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4.</footnote>
        <footnote id="F2">Includes 119 shares of MX common stock purchased under the MagnaChip Semiconductor Corporation 2011 Employee Stock Purchase Plan on October 31, 2011.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/  John McFarland</signatureName>
        <signatureDate>2012-12-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
