ASE Technology (ASX) files Form 3 for President of SE Asia Ops

Rhea-AI Filing Summary

ASE Technology Holding Co., Ltd. filed an initial insider ownership report for Lee Kwai Mun, who serves as President, ASE SE Asia Ops. This Form 3 does not list any insider buy, sell, or derivative transactions in the provided data, indicating a purely administrative disclosure of insider status.

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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 Kwai Mun

(Last) (First) (Middle)

2, WOODLANDS LOOP

(Street)

SINGAPORE 738074

(City) (State) (Zip)

SINGAPORE

(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)
	President, ASE SE Asia Ops.

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 Kwai Mun 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 for Lee Kwai Mun report?

It reports an initial statement of insider status for Lee Kwai Mun as President, ASE SE Asia Ops. The filing, as shown, does not list any insider purchases, sales, or derivative transactions and functions mainly as an administrative disclosure of beneficial ownership status.

Does the ASE Technology (ASX) Form 3 show any insider buying or selling?

No insider buying or selling is shown in the provided Form 3 data. The transaction section is empty, and summary counts for buy, sell, exercise, gifts, and tax withholding are all zero, indicating no reportable transactions in this filing excerpt.

Who is the reporting person on the ASE Technology (ASX) Form 3?

The reporting person is Lee Kwai Mun, identified as an officer of ASE Technology Holding Co., Ltd. with the title President, ASE SE Asia Ops. The filing establishes his status as a company insider subject to SEC reporting requirements for future ownership changes.

Does the ASE Technology (ASX) Form 3 include any derivative positions?

The derivative section in the provided Form 3 data is empty, and derivative transaction counts are zero. This means no options, warrants, or other derivative positions are detailed in the excerpt, and there are no reported derivative exercises or conversions.

Why is this ASE Technology (ASX) Form 3 important for investors?

Form 3 filings identify company insiders whose future trades must be reported. This Form 3 confirms Lee Kwai Mun as President, ASE SE Asia Ops and establishes a baseline for later Form 4 or Form 5 filings that will disclose any subsequent changes in his reportable holdings.