ASE Technology (ASX) GM for USI Mexico files initial insider Form 3

Rhea-AI Filing Summary

ASE Technology Holding Co., Ltd. insider Lee Tuck Weng Andrew, an officer serving as GM, USI Mexico, filed an initial Form 3 reporting his status as an insider of the company. This filing establishes his reporting obligations for future trades but does not list any share transactions.

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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^*

Lee Tuck Weng Andrew

(Last) (First) (Middle)

AV. PERIF. PTE. MANUEL GOMEZ MORIN 656

JARDINES DE SANTA ISABEL

(Street)

GUADALAJARA, JALISCO 44300

(City) (State) (Zip)

UNITED STATES

(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, USI Mexico

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 Tuck Weng Lee	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

What does the ASE Technology (ASX) Form 3 filing report for Lee Tuck Weng Andrew?

The Form 3 filing reports that Lee Tuck Weng Andrew is an officer of ASE Technology Holding Co., Ltd., serving as GM, USI Mexico. It is an initial statement of insider status and does not report any stock transactions or holdings details.

Does the ASE Technology (ASX) Form 3 show any stock transactions by Lee Tuck Weng Andrew?

No, this Form 3 shows no stock transactions for Lee Tuck Weng Andrew. The transaction summary lists zero buys, zero sells, and no derivative exercises, indicating the filing only establishes his insider reporting status.

What role does Lee Tuck Weng Andrew hold at ASE Technology (ASX)?

Lee Tuck Weng Andrew is identified as an officer of ASE Technology Holding Co., Ltd., with the title GM, USI Mexico. This role makes him a reporting person subject to insider ownership and transaction disclosure requirements under Form 3.

Why is a Form 3 important for ASE Technology (ASX) insiders like Lee Tuck Weng Andrew?

Form 3 is important because it establishes initial insider status for individuals like Lee Tuck Weng Andrew. Once filed, any future purchases, sales, or option exercises in ASE Technology securities must be reported on subsequent insider forms.

Does the ASE Technology (ASX) Form 3 include derivative positions for Lee Tuck Weng Andrew?

The filing’s derivative summary is empty, and the transaction summary shows zero derivative transactions or exercises. This indicates no derivative positions or related activity are reported for Lee Tuck Weng Andrew in this initial Form 3.