<SEC-DOCUMENT>0000899243-18-003795.txt : 20180214
<SEC-HEADER>0000899243-18-003795.hdr.sgml : 20180214
<ACCEPTANCE-DATETIME>20180214124051
ACCESSION NUMBER:		0000899243-18-003795
CONFORMED SUBMISSION TYPE:	5
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20171231
FILED AS OF DATE:		20180214
DATE AS OF CHANGE:		20180214

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			James J. Kim 2013 Qualified Annuity Trust U/A Dated May 17, 2013
		CENTRAL INDEX KEY:			0001579612

	FILING VALUES:
		FORM TYPE:		5
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-29472
		FILM NUMBER:		18609946

	BUSINESS ADDRESS:	
		STREET 1:		C/O SIANA CARR O'CONNOR & LYNAM
		STREET 2:		1500 EAST LANCASTER AVE
		CITY:			PAOLI
		STATE:			PA
		ZIP:			19301-9713
		BUSINESS PHONE:		610-296-4200

	MAIL ADDRESS:	
		STREET 1:		C/O SIANA CARR O'CONNOR & LYNAM
		STREET 2:		1500 EAST LANCASTER AVE
		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>5
<SEQUENCE>1
<FILENAME>doc5.xml
<DESCRIPTION>FORM 5 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>5</documentType>

    <periodOfReport>2017-12-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <form3HoldingsReported>0</form3HoldingsReported>

    <form4TransactionsReported>0</form4TransactionsReported>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001579612</rptOwnerCik>
            <rptOwnerName>James J. Kim 2013 Qualified Annuity Trust U/A Dated May 17, 2013</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>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Exhibit 99.1</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-09-11</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>686108</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>9.06</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3220433</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On September 11, 2017, the James J. Kim 2013 Qualified Annuity Trust U/A Dated 5/17/13 distributed 686,108 shares of the Company's Common Stock to James J. Kim.  James J. Kim and Susan Y. Kim are co-trustees.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Christie B. Tillapaugh, as Attorney in Fact</signatureName>
        <signatureDate>2018-02-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>attachment1.htm
<DESCRIPTION>EX-24 DOCUMENT
<TEXT>
<HTML>
<HEAD>
</HEAD>
<BODY>
<PRE>
                           LIMITED POWER OF ATTORNEY

     Know all by these presents, that the undersigned hereby makes, constitutes
and appoints Jerry Allison, Gil C. Tily, Christie B. Tillapaugh and Richard D.
Rosen (any of whom may act individually) as the true and lawful attorney-in-fact
of the undersigned, with full power and authority as hereinafter described on
behalf of and in the name, place and stead of the undersigned to:

(1)  prepare, execute, acknowledge, deliver and file Forms 3, 4, and 5
(including any amendments thereto) and any Schedule 13D (including any
amendments thereto) with respect to the securities of Amkor Technology, Inc., a
Delaware corporation (the "Company"), with the United States Securities and
Exchange Commission, any national securities exchanges and the Company, as
considered necessary or advisable under Section 16(a) of the Securities Exchange
Act of 1934 and the rules and regulations promulgated thereunder, as amended
from time to time (the "Exchange Act"), including obtaining any filing codes or
reissuance of existing filing codes, if necessary, in connection therewith;

(2)  seek or obtain, as the undersigned's representative and on behalf of the
undersigned, information on transactions in the Company's securities from any
third party, including brokers, employee benefit plan administrators and
trustees, and the undersigned hereby authorizes any such person to release any
such information to such attorney-in-fact and approves and ratifies any such
release of information; and

(3)  perform any and all other acts which in the discretion of such attorney-in-
fact are necessary or desirable for and on behalf of the undersigned in
connection with the foregoing.

     The undersigned acknowledges that:

(1)  this Power of Attorney authorizes, but does not require, such attorney-in-
fact to act in his or her discretion on information provided to such attorney-
in-fact without independent verification of such information;

(2)  any documents prepared and/or executed by such attorney-in-fact on behalf
of any of the undersigned pursuant to this Power of Attorney will be in such
form and will contain such information and disclosure as such attorney-in-fact,
in his or her discretion, deems necessary or desirable;

(3)  neither the Company nor such attorney-in-fact assumes (i) any liability for
the undersigned's responsibility to comply with the requirements of the Exchange
Act, (ii) any liability of the undersigned for any failure to comply with such
requirements, or (iii) any obligation or liability of any of the undersigned for
profit disgorgement under Section 16(b) of the Exchange Act;

(4)  this Power of Attorney does not relieve the undersigned from responsibility
for compliance with the undersigned's obligations under the Exchange Act,
including without limitation the reporting requirements under Section 16 of the
Exchange Act; and

(5)  this Power of Attorney supersedes and replaces any prior power of attorney
executed by the undersigned for any of the purposes set forth herein.

     Although this Power of Attorney supersedes and replaces any prior power of
attorney executed by the undersigned for any of the purposes set forth herein,
the undersigned hereby ratifies and approves of any actions taken pursuant to
any prior power of attorney for any of the purposes set forth herein, including
without limitation the granting thereof by the undersigned on his or her behalf.
The undersigned hereby gives and grants the foregoing attorney-in-fact full
power and authority to do and perform all and every act and thing whatsoever
requisite, necessary or appropriate to be done in and about the foregoing
matters as fully to all intents and purposes as the undersigned might or could
do if present, hereby ratifying all that such attorney-in-fact shall lawfully do
or cause to be done of, for and on behalf of the undersigned by virtue of this
Power of Attorney.

     This Power of Attorney may be executed in several counterparts (if
applicable), each of which shall be deemed an original but all of which shall
constitute one and the same instrument.

     This Power of Attorney shall remain in full force and effect until revoked
by the undersigned in a signed writing delivered to the attorney-in-fact.

                  Signature Page to Limited Power of Attorney

IN WITNESS WHEREOF, the undersigned have each caused this Power of Attorney to
be executed as of the 19th day of June, 2013.

Name of individual and/or entity covered by this Power of Attorney: James J. Kim
2013 Qualified Annuity Trust U/A Dated May 17, 2013.


By: /s/ Susan Y. Kim
   -----------------
Name: Susan Y. Kim
Title: Trustee


                  Signature Page to Limited Power of Attorney

     IN WITNESS WHEREOF, the undersigned have each caused this Power of Attorney
to be executed as of the 18th day of June, 2013.

Name of individual and/or entity covered by this Power of Attorney: James J. Kim
2013 Qualified Annuity Trust U/A Dated May 17, 2013.


By: /s/ James J. Kim
   -----------------
Name: James J. Kim
Title: Trustee

</PRE>
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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>3
<FILENAME>attachment2.htm
<DESCRIPTION>EX-99.1 DOCUMENT
<TEXT>
<HTML>
<HEAD>
</HEAD>
<BODY>
<PRE>
Exhibit 99.1


A Schedule 13D was filed by James J. Kim and those members of the reporting
group who then constituted the group on November 28, 2005, as amended by
Amendment No. 1 filed with the Securities and Exchange Commission (the
"Commission") on April 4, 2008, Amendment No. 2 filed with the Commission on
March 19, 2009, Amendment No. 3 filed with the Commission on April 16, 2009,
Amendment No. 4 filed with the Commission on February 5, 2010, Amendment No. 5
filed with the Commission on March 28, 2011, Amendment No. 6 filed with the
Commission on November 17, 2011, Amendment No. 7 filed with the Commission on
March 29, 2013, Amendment No. 8 filed with the Commission on March 28, 2014,
Amendment No. 9 filed with the Commission on March 30, 2015, Amendment No. 10
filed with the Commission on March 30, 2016, and Amendment No. 11 filed with the
Commission on January 20, 2017, (as further amended from time to time, the
"Schedule 13D").  Those individuals and entities listed in the Schedule 13D,
including the filer of this Form 5, may be deemed to be members of a group (the
"Group") who each exercise voting or investment power with respect to shares of
Amkor Technology, Inc.'s (the "Issuer") Common Stock in concert with other
members of the Group.  The Group may be deemed to beneficially own more than 10%
of the outstanding voting securities of the Issuer. The reporting person states
that the filing of this Form 5 Report shall not be deemed an admission that the
reporting person is the beneficial owner of the reported securities owned by the
other members of the Group, for the purpose of Section 16 of the Securities
Exchange Act of 1934, as amended, or for any other purpose.


</PRE>
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</DOCUMENT>
</SEC-DOCUMENT>
