Director Jeffrey Chen trims ASE Technology (NYSE: ASX) stake by 9,000 shares

Rhea-AI Filing Summary

ASE Technology Holding Co., Ltd. director Jeffrey Chen reported insider activity involving the company’s Ordinary Shares. On April 24, 2026, an open-market sale of 9,000 Ordinary Shares was executed at NT$473 per share, from shares held indirectly by his spouse. After this transaction, 83,000 Ordinary Shares remained under indirect ownership by his spouse, while a separate entry shows 2,383,000 Ordinary Shares held directly following a holding line dated the same day. A footnote states that the reporting person disclaims beneficial ownership of the reported securities except to the extent of any pecuniary interest.

Insider Trade Summary

Net Seller: 9,000 shares ($4,257,000)

Net Sell 2 txns

Insider Chen Jeffrey

Role null

Sold 9,000 shs ($4.26M)

Type	Security	Shares	Price	Value
Sale	Ordinary Shares	9,000	$473.00	$4.26M
holding	Ordinary Shares	--	--	--

Holdings After Transaction: Ordinary Shares — 83,000 shares (Indirect, By Spouse); Ordinary Shares — 2,383,000 shares (Direct, null)

Footnotes (1)

1. New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any.

Key Figures

Shares sold: 9,000 shares Sale price: NT$473 per share Direct holdings after transaction: 2,383,000 shares +2 more

5 metrics

Shares sold 9,000 shares Open-market sale on April 24, 2026

Sale price NT$473 per share Price for 9,000 Ordinary Shares sold

Direct holdings after transaction 2,383,000 shares Ordinary Shares held directly as of April 24, 2026

Indirect holdings after sale 83,000 shares Ordinary Shares held indirectly by spouse after sale

Net shares sold 9,000 shares Net-sell direction from transaction summary

Key Terms

Ordinary Shares, open-market sale, indirect ownership, beneficial ownership, +1 more

5 terms

Ordinary Shares financial

"security_title": "Ordinary Shares""

Ordinary shares are a type of ownership stake in a company, giving shareholders a right to participate in the company’s profits and decision-making through voting. They are similar to owning a piece of a business, and their value can rise or fall based on the company's performance. Investors buy ordinary shares to potentially earn dividends and benefit from the company's growth over time.

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

indirect ownership financial

""direct_or_indirect": "I","nature_of_ownership": "By Spouse""

beneficial ownership financial

"disclaims beneficial ownership over the securities reported"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

pecuniary interest financial

"except to the extent of his pecuniary interest therein"

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Chen Jeffrey

(Last) (First) (Middle)

ROOM 1901, NO. 333

SECTION 1 KEELUNG RD.

(Street)

TAIPEI TAIWAN 110

(City) (State) (Zip)

TAIWAN

(Country)

2. Issuer Name and Ticker or Trading Symbol
ASE Technology Holding Co., Ltd. [ ASX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/24/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Ordinary Shares	04/24/2026		S		9,000	D	$473(1)	83,000	I	By Spouse(2)
Ordinary Shares								2,383,000	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. New Taiwan Dollars.

2. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any.

	/s/ Georgette Yeh, attorney-in-fact for Jeffrey Chen	04/28/2026
	** 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 4 (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 4: SEC 1474 (03-26)

FAQ

What insider transactions did ASX director Jeffrey Chen report?

Jeffrey Chen reported an open-market sale of 9,000 Ordinary Shares of ASE Technology Holding on April 24, 2026, at NT$473 per share, from shares held indirectly by his spouse, plus a separate holding entry reflecting his direct ownership position.

At what price were Jeffrey Chen’s ASX shares sold on April 24, 2026?

The reported sale of 9,000 Ordinary Shares of ASE Technology Holding by Jeffrey Chen’s spouse-held account occurred at NT$473 per share. A footnote clarifies that this price is in New Taiwan Dollars, not in U.S. dollars or another currency.

How many ASE Technology (ASX) shares does Jeffrey Chen hold after the reported transactions?

After the April 24, 2026 transactions, Jeffrey Chen is shown with 2,383,000 Ordinary Shares held directly and 83,000 Ordinary Shares held indirectly through his spouse. These positions are reported as of that date in the insider ownership tables.

Were Jeffrey Chen’s ASX shares sold directly by him or through an indirect account?

The 9,000-share sale reported for April 24, 2026 involves Ordinary Shares held indirectly by Jeffrey Chen’s spouse. The filing notes indirect ownership “By Spouse” and includes a disclaimer of beneficial ownership except for any pecuniary interest.

Does Jeffrey Chen claim full beneficial ownership of the ASX shares reported?

No. A footnote states that Jeffrey Chen disclaims beneficial ownership of the reported securities, except to the extent of his pecuniary interest, if any. This limits how much of the spouse-held and other reported shares he is deemed to beneficially own.

What type of security did Jeffrey Chen trade in ASE Technology (ASX)?

The reported transaction involves Ordinary Shares of ASE Technology Holding Co., Ltd. One entry is an open-market sale of 9,000 Ordinary Shares, while another reflects his direct holding position as of April 24, 2026.