GM Hew Yee Voon listed as reporting insider at ASE Technology (NYSE: ASX)

Rhea-AI Filing Summary

ASE Technology Holding Co., Ltd. filed a Form 3 identifying Hew Yee Voon, GM of ASE Cheonan, Inc., as an officer subject to U.S. insider reporting rules. The filing reports no insider share purchases, sales, option exercises, or other equity transactions for this reporting person.

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SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Hew Yee Voon

(Last) (First) (Middle)

56, SAMSEONG 4-GIL

MOKCHEON-EUP, DONGNAM-GU

(Street)

CHEONAN-SI, CHUNGCHEONGNAM-DO 31226

(City) (State) (Zip)

KOREA, REPUBLIC OF

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
ASE Technology Holding Co., Ltd. [ ASX ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	GM, ASE Cheonan, Inc.

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

Exhibit List - Exhibit 24.1 - Power of Attorney

No securities are beneficially owned.

	/s/ Georgette Yeh, attorney-in-fact for Yee Voon Hew	03/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

FAQ

Who is Hew Yee Voon in relation to ASE Technology (ASX)?

Hew Yee Voon is identified as an officer of ASE Technology Holding Co., Ltd., serving as GM, ASE Cheonan, Inc.. This role brings the individual under U.S. insider reporting rules, requiring disclosure of equity holdings and future transactions.

What does this Form 3 filing mean for ASE Technology (ASX) investors?

The Form 3 establishes Hew Yee Voon as a reporting insider of ASE Technology. It signals that any future equity transactions by this officer in the company’s securities must be disclosed in subsequent SEC filings, improving visibility into insider activity.

Does the Hew Yee Voon Form 3 show any ASE Technology (ASX) share transactions?

No, this Form 3 does not report any purchases, sales, option exercises, gifts, or restructurings involving ASE Technology shares. All transaction-related counts and share amounts in the summary are shown as zero for this reporting person.

What kind of information is summarized in this ASE Technology (ASX) Form 3?

The filing lists Hew Yee Voon as an officer, indicates no director or 10% owner status, and provides a transaction summary. That summary shows zero buy, sell, exercise, gift, tax-withholding, or restructuring transactions and no derivative positions reported.

How does this Form 3 affect future insider reporting at ASE Technology (ASX)?

Once a Form 3 is filed for Hew Yee Voon, any later trades or equity awards in ASE Technology securities must be reported on Forms 4 or 5. This creates an ongoing disclosure framework for this officer’s future insider activity in the company’s stock.