ASE Technology (ASX) director Ong Wen-Chyi files initial Form 3

Rhea-AI Filing Summary

ASE Technology Holding Co., Ltd. director Ong Wen-Chyi has filed an initial statement of beneficial ownership on Form 3. The filing lists Ong as a director, not an officer and not a ten percent owner, and does not report any transactions or holdings in this excerpt.

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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^*

Ong Wen-Chyi

(Last) (First) (Middle)

ROOM 1901, NO. 333

SECTION 1 KEELUNG RD.

(Street)

TAIPEI TAIWAN 110

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

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 Wen-Chyi Ong	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 for Ong Wen-Chyi show?

The Form 3 shows that Ong Wen-Chyi is a director of ASE Technology and not a ten percent owner. The excerpt lists no reported transactions or holdings, indicating this is an initial insider ownership statement without trade activity disclosed here.

Is Ong Wen-Chyi a ten percent owner of ASE Technology (ASX) according to this Form 3?

No, the Form 3 identifies Ong Wen-Chyi as a director but not a ten percent owner of ASE Technology. This clarifies the insider’s role and ownership classification without indicating any large shareholding in the provided filing excerpt.

Does the ASE Technology (ASX) Form 3 for Ong Wen-Chyi report any stock transactions?

No transactions are reported in this Form 3 excerpt. All transaction counts, including buys, sells, exercises, gifts, and tax withholdings, are shown as zero, indicating no trading activity is being disclosed for Ong Wen-Chyi in this particular filing segment.

What insider activity totals are disclosed for Ong Wen-Chyi in ASE Technology (ASX) Form 3?

The summarized insider activity shows zero buys, sells, exercises, gifts, tax withholdings, or restructurings. Net buy-sell shares are also zero, and net direction is neutral, indicating no trading or derivative activity for Ong Wen-Chyi in this excerpted data.

Does the ASE Technology (ASX) Form 3 for Ong Wen-Chyi include derivative positions?

The derivative section is empty in this excerpt, showing no listed derivative positions such as options or warrants. This means no remaining derivative holdings are disclosed for Ong Wen-Chyi within the scope of the provided Form 3 data.