Jeffrey Chen (ASX) spouse sells 29,000 ASE Technology shares in open market

Rhea-AI Filing Summary

ASE Technology Holding Co., Ltd. director Jeffrey Chen reported a series of open-market sales of Ordinary Shares indirectly held through his spouse. Between May 22, 2026 and May 27, 2026, the spouse sold a total of 29,000 shares at prices ranging from NT$538 to NT$653 per share, reducing indirect holdings to zero after the final transaction. A separate entry on May 22, 2026 shows Chen directly holding 2,383,000 Ordinary Shares. A footnote states that Chen disclaims beneficial ownership of the reported securities except to the extent of any pecuniary interest.

Insights

Equity governance analyst

Director-linked spouse sells 29,000 ASX shares; large direct stake remains.

The filing shows the spouse of director Jeffrey Chen conducted open-market sales totaling 29,000 ASE Technology Ordinary Shares over several days, at prices between NT$538 and NT$653 per share. These are straightforward stock sales, not option exercises or tax withholdings.

The disposition fully eliminated this indirect position, while a same-day entry records Chen directly holding 2,383,000 Ordinary Shares. A footnote clarifies that Chen disclaims beneficial ownership of the sold shares except for any pecuniary interest, indicating they are primarily attributable to his spouse.

Given the large remaining direct stake and the routine nature of open-market sales, this activity appears administratively notable but not thesis-changing on its own. Future company filings will provide additional context on any further changes in Chen’s direct or indirect ownership.

Insider Trade Summary

Net Seller: 29,000 shares ($17,128,000)

Net Sell 5 txns

Insider Chen Jeffrey

Role Director

Sold 29,000 shs ($17.13M)

Type	Security	Shares	Price	Value
Sale	Ordinary Shares	2,000	$653.00	$1.31M
Sale	Ordinary Shares	9,000	$630.00	$5.67M
Sale	Ordinary Shares	9,000	$590.00	$5.31M
Sale	Ordinary Shares	9,000	$538.00	$4.84M
holding	Ordinary Shares	--	--	--

Holdings After Transaction: Ordinary Shares — 0 shares (Indirect, By Spouse); Ordinary Shares — 2,383,000 shares (Direct)

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

Total shares sold: 29,000 shares Sale price 27 May 2026: NT$653 per share Sale price 26 May 2026: NT$630 per share +3 more

6 metrics

Total shares sold 29,000 shares Open-market sales by spouse across May 22–27, 2026

Sale price 27 May 2026 NT$653 per share 2,000 Ordinary Shares indirect sale by spouse

Sale price 26 May 2026 NT$630 per share 9,000 Ordinary Shares indirect sale by spouse

Sale price 25 May 2026 NT$590 per share 9,000 Ordinary Shares indirect sale by spouse

Sale price 22 May 2026 NT$538 per share 9,000 Ordinary Shares indirect sale by spouse

Direct holdings 2,383,000 shares Ordinary Shares directly held by Jeffrey Chen as of May 22, 2026

Key Terms

Ordinary Shares, indirect ownership, beneficial ownership, pecuniary interest, +1 more

5 terms

Ordinary Shares financial

"Ordinary Shares non-derivative transactions and holding entries are reported."

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.

indirect ownership financial

"Transactions list ownership type as indirect with nature of ownership “By Spouse”."

beneficial ownership financial

"The Reporting Person 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

"Disclaims beneficial ownership except to the extent of his pecuniary interest therein."

open-market sale financial

"Transaction action is described as open-market sale in the filing data."

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.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 05/27/2026 - 06:12 AM Accepted by SEC EDGAR 05/27/2026 - 06:11 AM Learn about SEC filing dates

FAQ

What did Jeffrey Chen report in this ASE Technology (ASX) Form 4?

The Form 4 reports that the spouse of director Jeffrey Chen sold 29,000 ASE Technology Ordinary Shares in open-market transactions, while Chen still directly holds 2,383,000 shares. Chen disclaims beneficial ownership of the sold shares except for any pecuniary interest.

How many ASE Technology (ASX) shares were sold and at what prices?

Across four open-market transactions, 29,000 Ordinary Shares were sold. Reported per-share prices ranged from NT$538 to NT$653. Each trade is itemized in the filing with its own date, share count, and execution price in New Taiwan Dollars.

Were the ASE Technology (ASX) shares sold directly by Jeffrey Chen or indirectly?

All reported sales involved shares held indirectly through Jeffrey Chen’s spouse, noted as “By Spouse” in the ownership field. A footnote states Chen disclaims beneficial ownership of these securities except to any pecuniary interest, emphasizing the spouse’s role in these holdings.

What is Jeffrey Chen’s remaining shareholding in ASE Technology (ASX) after these sales?

After the reported sales, the indirect position through his spouse was reduced to zero shares. A separate holding entry dated May 22, 2026 shows Chen directly holding 2,383,000 Ordinary Shares, providing a snapshot of his significant remaining direct stake.

Do these ASE Technology (ASX) insider sales involve stock options or derivatives?

No, all reported transactions involve non-derivative Ordinary Shares in open-market sales. The derivative section of the filing is empty, and the transaction codes and descriptions do not reference option exercises, conversions, or other derivative-related activity.

In what currency were the ASE Technology (ASX) share prices quoted in this Form 4?

A footnote specifies that prices are in New Taiwan Dollars. Each transaction line lists a price per Ordinary Share, such as NT$538, NT$590, NT$630, and NT$653, reflecting the execution prices for the open-market sales reported in the filing.

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)
05/22/2026

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	05/22/2026		S		9,000	D	$538(1)	20,000	I	By Spouse(2)
Ordinary Shares	05/25/2026		S		9,000	D	$590(1)	11,000	I	By Spouse(2)
Ordinary Shares	05/26/2026		S		9,000	D	$630(1)	2,000	I	By Spouse(2)
Ordinary Shares	05/27/2026		S		2,000	D	$653(1)	0	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	05/27/2026
	** 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)