<SEC-DOCUMENT>0000950103-26-004197.txt : 20260318
<SEC-HEADER>0000950103-26-004197.hdr.sgml : 20260318
<ACCEPTANCE-DATETIME>20260318142427
ACCESSION NUMBER:		0000950103-26-004197
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20260318
FILED AS OF DATE:		20260318
DATE AS OF CHANGE:		20260318

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Chen Tien-Szu
		CENTRAL INDEX KEY:			0002116549
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-16125
		FILM NUMBER:		26768014

	MAIL ADDRESS:	
		ADDRESS IS A NON US LOCATION: 	YES
		STREET 1:		550, CHUNG-HWA ROAD, SECTION 1
		STREET 2:		CHUNG-LI DISTRICT
		CITY:			TAOYUAN CITY
		PROVINCE COUNTRY:   	F4
		ZIP:			32016

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ASE Technology Holding Co., Ltd.
		CENTRAL INDEX KEY:			0001122411
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				000000000
		STATE OF INCORPORATION:			F5
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		ADDRESS IS A NON US LOCATION: 	YES
		STREET 1:		26, CHIN 3RD RD.
		STREET 2:		NANZIH DISTRICT
		CITY:			KAOHSIUNG
		PROVINCE COUNTRY:   	F5
		ZIP:			811
		BUSINESS PHONE:		886-7-361-7173

	MAIL ADDRESS:	
		ADDRESS IS A NON US LOCATION: 	YES
		STREET 1:		26, CHIN 3RD RD.
		STREET 2:		NANZIH DISTRICT
		CITY:			KAOHSIUNG
		PROVINCE COUNTRY:   	F5
		ZIP:			811

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ASE Industrial Holding Co., Ltd.
		DATE OF NAME CHANGE:	20180430

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ADVANCED SEMICONDUCTOR ENGINEERING INC
		DATE OF NAME CHANGE:	20000822
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>ownership.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0607</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2026-03-18</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001122411</issuerCik>
        <issuerName>ASE Technology Holding Co., Ltd.</issuerName>
        <issuerTradingSymbol>ASX</issuerTradingSymbol>
        <issuerForeignTradingSymbol></issuerForeignTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002116549</rptOwnerCik>
            <rptOwnerName>Chen Tien-Szu</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>true</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>550, CHUNG-HWA ROAD, SECTION 1</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>TAOYUAN CITY</rptOwnerCity>
            <rptOwnerNonUSStateTerritory>TAIWAN</rptOwnerNonUSStateTerritory>
            <rptOwnerCountry>F5</rptOwnerCountry>
            <rptOwnerZipCode>32016</rptOwnerZipCode>
            <rptOwnerStateDescription>TAIWAN</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>GM, ASE Inc. Chung-Li Branch</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Ordinary Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2781821</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>41.10</value>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2028-11-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>300000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Reflects stock options to purchase Ordinary Shares. These stock options were granted on November 23, 2018 and are fully vested and exercisable.</footnote>
        <footnote id="F2">The option exercise price reflects New Taiwan dollars.</footnote>
    </footnotes>

    <remarks>Exhibit List - Exhibit 24.1 - Power of Attorney</remarks>

    <ownerSignature>
        <signatureName>/s/ Georgette Yeh, attorney-in-fact for Tien-Szu Chen</signatureName>
        <signatureDate>2026-03-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>dp243736_ex2401.htm
<DESCRIPTION>EXHIBIT 24
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
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<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="margin: 0"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>POWER OF ATTORNEY</B></FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">Know all by these
presents, that the undersigned hereby constitutes and appoints each of Grace Teng and Georgette Yeh, as the undersigned&rsquo;s true
and lawful attorneys-in-fact to:</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">(1)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;obtain
and maintain credentials, including any Form ID or amended Form ID, to enable the undersigned, directly or indirectly including through
a delegated entity, account administrator or other designated filing agent, to submit and file information and documents via the SEC&rsquo;s
Electronic Data Gathering and Retrieval (&ldquo;EDGAR&rdquo;) system or successor EDGAR Next, including identification codes, verification
codes, passwords and password management codes, and any related annual certifications or confirmations, and to act as the undersigned&rsquo;s
agent for such purposes;</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">(2)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;execute
for and on behalf of the undersigned, in the undersigned&rsquo;s capacity as a reporting person pursuant to Section 16 of the Securities
Exchange Act of 1934, as amended (the &ldquo;Exchange Act&rdquo;), and the rules thereunder of ASE Technology Holding Co., Ltd. (the
&ldquo;Company&rdquo;), Forms 3, 4 and 5, including any amendments thereto, in accordance with Section 16(a) of the Exchange Act;</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">(3)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;do
and perform any and all acts, directly or indirectly including through a delegated entity, account administrator or other designated
filing agent, for and on behalf of the undersigned which may be necessary or desirable to complete and execute any such Form 3, 4 or
5, complete and execute any amendment or amendments thereto, and timely file such form with the United States Securities and Exchange
Commission (the &ldquo;SEC&rdquo;) and any applicable stock exchange or similar authority;</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">(4)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;prepare,
execute and file, or cause to be prepared, executed and filed, on behalf of the undersigned one or more Forms 144, or any amendments
thereto, relating to any sales orders (including in connection with the exercise of options to purchase the Company&rsquo;s common stock
(&ldquo;common stock&rdquo;), orally or electronically, to sell shares of common stock to the public from time to time in accordance
with Rule 144 under the Securities Act of 1933, as amended;</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">(5)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;take
any other action of any type whatsoever in connection with the foregoing which, in the opinion of any of such attorneys-in-fact, may
be of benefit to, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by
any of such attorneys-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain
such terms and conditions as any of such attorneys-in-fact may approve in the discretion of any of such attorneys-in-fact; and</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">(6) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;act
as an account administrator for the undersigned&rsquo;s EDGAR account, including: (i) appointing, removing and replacing account administrators,
account users, technical administrators and delegated entities; (ii) maintaining the security of the undersigned&rsquo;s EDGAR account,
including modification of access codes; (iii) maintaining, modifying and certifying the accuracy of information on the undersigned&rsquo;s
EDGAR account dashboard; (iv) acting as the EDGAR point of contact with respect to the undersigned&rsquo;s EDGAR account; and (v) performing
any other actions contemplated by Rule 10 of Regulation S-T with respect to account administrators.</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">The undersigned
hereby grants to each such attorney-in-fact full power and authority to act separately and to do and perform any and every act and thing
whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all
intents and purposes as the undersigned might or could do if personally present, with full power of substitution, delegation or revocation,
hereby ratifying and confirming all that any of such attorneys-in-fact, or the substitute or substitutes or delegee or delegees of any
of such attorneys-in-fact, shall lawfully do or cause to be done by virtue of this Power of Attorney and the rights and powers herein
granted. The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned,
are not assuming, nor is the Company assuming, any of the undersigned&rsquo;s responsibilities to comply with Section 16 of the Exchange
Act.</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">This Power of Attorney
shall remain in full force and effect until the undersigned is no longer required to file Forms 3, 4 and 5 with respect to the undersigned&rsquo;s
holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered
to the foregoing attorneys-in-fact. This Power of Attorney supersedes all other powers of attorney previously executed by the undersigned
in respect of the subject matter described herein.</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>


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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">IN WITNESS WHEREOF,
the undersigned has caused this Power of Attorney to be executed as of this 14th day of February, 2026.</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></P>

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<TABLE CELLPADDING="2" CELLSPACING="2" STYLE="font: 11pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
<TR STYLE="vertical-align: top; text-align: left">
  <TD STYLE="width: 10%"><FONT STYLE="font-size: 10pt">Name:</FONT></TD>
  <TD STYLE="border-bottom: Black 1pt solid; width: 25%"><FONT STYLE="font-size: 10pt">Tien-Szu Chen&nbsp;</FONT></TD>
  <TD STYLE="width: 65%"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
  <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
  <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
  <TD><FONT STYLE="font-size: 10pt">Signature:</FONT></TD>
  <TD STYLE="border-bottom: Black 1pt solid"><FONT STYLE="font-size: 10pt">/s/ Tien-Szu Chen&nbsp;</FONT></TD>
  <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
</TABLE>

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</SEC-DOCUMENT>
