ASE Technology director exercises 300K stock options

After the exercise, Chang Hung Pen reported 4,800,000 directly held ordinary shares and 1,200,000 stock options.

Rhea-AI Filing Summary

ASE Technology Holding Co., Ltd. director Chang Hung Pen exercised 300,000 stock options on September 22, 2026, acquiring 300,000 ordinary shares at an exercise price of NT$98.60 per share. After the exercise, he reported 4,800,000 directly held ordinary shares and 1,200,000 stock options. The filing also lists indirect holdings of 3,534,746 ordinary shares by Precious Eagles Limited and 120,640,482 by Billiant Capital Profits Limited. The options were granted on August 18, 2023, and no Rule 10b5-1 plan is reported.

Insider Trade Summary

300,000 shares exercised/converted

Exercise 4 txns

Insider Chang Hung Pen

Role Director

Type	Security	Shares	Price	Value
Exercise	Stock Option (Right to Buy) F1, F2	300,000	$0.00	$0.00
Exercise	Ordinary Shares F1	300,000	$98.60	$29.58M
holding	Ordinary Shares	--	--	--
holding	Ordinary Shares	--	--	--

Holdings After Transaction: Stock Option (Right to Buy) — 1,200,000 contracts (Direct); Ordinary Shares — 4,800,000 shares (Direct); Ordinary Shares — 3,534,746 shares (Indirect, By Precious Eagles Limited); Ordinary Shares — 120,640,482 shares (Indirect, By Billiant Capital Profits Limited)

Footnotes (2)

1. F1. The option exercise price reflects New Taiwan dollars.
2. F2. Reflects stock options to purchase Ordinary Shares. These stock options were granted on August 18, 2023 and vest in seven semi-annual installments. 40% of the options vested on August 18, 2025, 10% of the options vested on February 18, 2026, and the remaining installments will vest at 10% each on August 18 2026, February 18, 2027, August 18, 2027, February 18, 2028 and August 18, 2028.

Key Figures

Stock options exercised: 300,000 options Ordinary shares acquired: 300,000 shares Exercise price: NT$98.60 per share +4 more

7 metrics

Stock options exercised 300,000 options September 22, 2026

Ordinary shares acquired 300,000 shares September 22, 2026

Exercise price NT$98.60 per share Stock option exercise on September 22, 2026

Direct ordinary shares after transaction 4,800,000 shares September 22, 2026

Stock options after transaction 1,200,000 options September 22, 2026

Ordinary shares held by Precious Eagles Limited 3,534,746 shares Indirect holding reported September 22, 2026

Ordinary shares held by Billiant Capital Profits Limited 120,640,482 shares Indirect holding reported September 22, 2026

Key Terms

stock options, semi-annual installments, option exercise price

3 terms

stock options financial

"stock options to purchase Ordinary Shares"

Stock options are agreements that give a person the right to buy or sell a company's stock at a specific price within a certain time frame. They are often used as a reward or incentive, similar to a coupon that can be used later if the stock price rises, allowing the holder to make a profit.

semi-annual installments financial

"vest in seven semi-annual installments"

option exercise price financial

"The option exercise price reflects New Taiwan dollars."

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many ASX shares did Chang Hung Pen acquire in the option exercise?

Chang Hung Pen acquired 300,000 ordinary shares by exercising stock options on September 22, 2026, at an exercise price of NT$98.60 per share.

When do Chang Hung Pen's stock options vest?

The options were granted on August 18, 2023, and vest in seven semi-annual installments. 40% vested on August 18, 2025, and 10% vested on February 18, 2026; the remaining installments are 10% each on August 18, 2026, February 18, 2027, August 18, 2027, February 18, 2028, and August 18, 2028.

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

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Available on EDGAR 09/24/2026 - 06:06 AM Accepted by SEC EDGAR 09/24/2026 - 06:05 AM Learn about SEC filing dates

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^*

Chang Hung Pen

(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)
09/22/2026

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	09/22/2026		M		300,000	A	$98.6(1)	4,800,000	D
Ordinary Shares								3,534,746	I	By Precious Eagles Limited
Ordinary Shares								120,640,482	I	By Billiant Capital Profits Limited

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
Stock Option (Right to Buy)	$98.6(1)	09/22/2026		M			300,000	(2)	08/17/2033	Ordinary Shares	300,000	$0	1,200,000	D

Explanation of Responses:

1. The option exercise price reflects New Taiwan dollars.

2. Reflects stock options to purchase Ordinary Shares. These stock options were granted on August 18, 2023 and vest in seven semi-annual installments. 40% of the options vested on August 18, 2025, 10% of the options vested on February 18, 2026, and the remaining installments will vest at 10% each on August 18 2026, February 18, 2027, August 18, 2027, February 18, 2028 and August 18, 2028.

	/s/ Georgette Yeh, attorney-in-fact for Hung Pen Chang	09/24/2026
	** 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)