ASE Technology (NYSE: ASX) director discloses 2,388-share stake

Rhea-AI Filing Summary

ASE Technology Holding Co., Ltd. director Yu Shen-Fu filed an initial ownership report showing an indirect holding of 2,388 Ordinary Shares. These shares are reported as being held by the director’s spouse, meaning the position is attributed as indirect ownership rather than a new market purchase or sale.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Yu Shen-Fu

Role Director

Type	Security	Shares	Price	Value
holding	Ordinary Shares	--	--	--

Holdings After Transaction: Ordinary Shares — 2,388 shares (Indirect, By Spouse)

Footnotes (1)

Understanding Insider Trading Forms →

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^*

Yu Shen-Fu

(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)
Ordinary Shares	2,388	I	By Spouse

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

	/s/ Georgette Yeh, attorney-in-fact for Shen-Fu Yu	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 Yu Shen-Fu report owning in ASE Technology (ASX)?

Yu Shen-Fu reports indirect ownership of 2,388 Ordinary Shares of ASE Technology. The shares are held by the director’s spouse, so they are disclosed as an indirect position rather than personally held stock.

Is the ASE Technology (ASX) Form 3 a buy or sell by Yu Shen-Fu?

The Form 3 does not show a buy or sell transaction. It records an existing indirect holding of 2,388 Ordinary Shares, which are attributed to the director through shares held by the spouse.

How are the ASE Technology (ASX) shares held by Yu Shen-Fu reported?

The 2,388 Ordinary Shares are reported as indirectly owned "By Spouse." This means the spouse is the direct holder, but the director must report the position under insider ownership rules.

What is the significance of this Form 3 for ASE Technology (ASX)?

This Form 3 establishes initial insider ownership for director Yu Shen-Fu. It simply discloses an indirect stake of 2,388 Ordinary Shares and does not indicate any recent trading or change in position.

Does the Form 3 for ASE Technology (ASX) show any derivative securities?

No derivative securities are reported for Yu Shen-Fu. The filing only lists an indirect holding of 2,388 Ordinary Shares through the director’s spouse, with no options or similar instruments disclosed.