<SEC-DOCUMENT>0000899243-22-010582.txt : 20220310
<SEC-HEADER>0000899243-22-010582.hdr.sgml : 20220310
<ACCEPTANCE-DATETIME>20220310195346
ACCESSION NUMBER:		0000899243-22-010582
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20211230
FILED AS OF DATE:		20220310
DATE AS OF CHANGE:		20220310

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KIM JOHN T
		CENTRAL INDEX KEY:			0001158926

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-29472
		FILM NUMBER:		22730794

	MAIL ADDRESS:	
		STREET 1:		C/O SIANA CARR O'CONNOR & LYNAM, LLP
		STREET 2:		1500 EAST LANCASTER AVENUE
		CITY:			PAOLI
		STATE:			PA
		ZIP:			19301-9713

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMKOR TECHNOLOGY, INC.
		CENTRAL INDEX KEY:			0001047127
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				231722724
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2045 EAST INNOVATION CIRCLE
		CITY:			TEMPE
		STATE:			AZ
		ZIP:			85284
		BUSINESS PHONE:		480-821-5000

	MAIL ADDRESS:	
		STREET 1:		2045 EAST INNOVATION CIRCLE
		CITY:			TEMPE
		STATE:			AZ
		ZIP:			85284

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AMKOR TECHNOLOGY INC
		DATE OF NAME CHANGE:	19971001
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>doc4a.xml
<DESCRIPTION>FORM 4/A SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2021-12-30</periodOfReport>

    <dateOfOriginalSubmission>2022-01-04</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001047127</issuerCik>
        <issuerName>AMKOR TECHNOLOGY, INC.</issuerName>
        <issuerTradingSymbol>AMKR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001158926</rptOwnerCik>
            <rptOwnerName>KIM JOHN T</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SIANA CARR O'CONNOR &amp; LYNAM,</rptOwnerStreet1>
            <rptOwnerStreet2>1500 EAST LANCASTER AVENUE</rptOwnerStreet2>
            <rptOwnerCity>PAOLI</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19301-9713</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Member of 10% owner group</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>21478833</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By trusts (other than GRAT)</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On January 4, 2022, the Reporting Person filed a Form 4 (the &quot;Original Form 4&quot;) which inadvertently omitted 7,594,001 shares of the Issuer's Common Stock owned by the John T. Kim Trust Dated December 31, 1987, the Reporting Person's Revocable Trust (the &quot;Omitted Shares&quot;).  The Omitted Shares had previously been reported in prior reports filed by the Reporting Person pursuant to Section 16 of the Securities Exchange Act of 1934, as amended, and are included in the amount set forth in Table I of this amendment to the Original Form 4.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Richard D. Rosen, Attorney-in-Fact for John T. Kim</signatureName>
        <signatureDate>2022-03-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
