[Form 3] ASE Technology Holding Co., Ltd. Initial Statement of Beneficial Ownership

ASE Technology Holding Co., Ltd. executive Raymond Lo filed an initial ownership report showing his current equity stake in the company.

Rhea-AI Filing Summary

ASE Technology Holding Co., Ltd. executive Raymond Lo filed an initial ownership report showing his current equity stake in the company. He directly holds 3,983,430 Ordinary Shares and a fully vested stock option covering 500,000 Ordinary Shares at an exercise price of 41.1000 New Taiwan dollars, expiring on November 22, 2028. The options were granted on November 23, 2018 and are fully exercisable.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Lo Raymond

Role GM TW & Kaohsiung Pkg Facility

Type	Security	Shares	Price	Value
holding	Stock Option (Right to Buy)	--	--	--
holding	Ordinary Shares	--	--	--

Holdings After Transaction: Stock Option (Right to Buy) — 500,000 contracts (Direct); Ordinary Shares — 3,983,430 shares (Direct)

Footnotes (2)

1. F1. Reflects stock options to purchase Ordinary Shares. These stock options were granted on November 23, 2018 and are fully vested and exercisable.
2. F2. The option exercise price reflects New Taiwan dollars.

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Accepted by SEC EDGAR 03/18/2026 - 02:23 PM Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Lo Raymond

(Last) (First) (Middle)

26, CHIN 3RD RD.

(Street)

KAOHSIUNG TAIWAN 811

(City) (State) (Zip)

TAIWAN, PROVINCE OF CHINA

(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 TW & Kaohsiung Pkg Facility

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)
Ordinary Shares	3,983,430	D

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
Stock Option (Right to Buy)	(1)	11/22/2028	Ordinary Shares	500,000	$41.1(2)	D

Explanation of Responses:

1. Reflects stock options to purchase Ordinary Shares. These stock options were granted on November 23, 2018 and are fully vested and exercisable.

2. The option exercise price reflects New Taiwan dollars.

Remarks:

Exhibit List - Exhibit 24.1 - Power of Attorney

	/s/ Georgette Yeh, attorney-in-fact for Raymond Lo	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)