ASE Technology (NYSE: ASX) GM exercises options from 2018 and 2023 grants

Rhea-AI Filing Summary

ASE Technology Holding Co., Ltd. reported that Lin Chung, GM of ASE Shanghai & Electronics, exercised stock options covering 35,000 Ordinary Shares on July 29, 2026. The activity reflects options granted in 2018, which are fully vested, and 2023 options vesting in seven semi-annual installments through August 2028, with exercise prices stated in New Taiwan dollars.

Insider Trade Summary

Net Buyer: 35,000 shares

Net Buy 4 txns

Insider Lin Chung

Role GM, ASE Shanghai & Electronics

Type	Security	Shares	Price	Value
Exercise	Stock Option (Right to Buy) F1, F2	25,000	$0.00	$0.00
Exercise	Stock Option (Right to Buy) F1, F3	10,000	$0.00	$0.00
Exercise	Ordinary Shares F1	25,000	$41.10	$1.03M
Exercise	Ordinary Shares F1	10,000	$98.60	$986K

Holdings After Transaction: Stock Option (Right to Buy) — 490,000 shares (Direct); Ordinary Shares — 140,278 shares (Direct)

Footnotes (3)

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 November 23, 2018 and are fully vested and exercisable.
3. F3. 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

Options exercised: 35000 shares Exercise price (2018 grant options): 41.1000 New Taiwan dollars per share Exercise price (2023 grant options): 99.7000 New Taiwan dollars per share +2 more

5 metrics

Options exercised 35000 shares Total underlying Ordinary Shares from options exercised on July 29, 2026

Exercise price (2018 grant options) 41.1000 New Taiwan dollars per share Stock options to purchase 25000 Ordinary Shares granted on November 23, 2018

Exercise price (2023 grant options) 99.7000 New Taiwan dollars per share Stock options to purchase 10000 Ordinary Shares granted on August 18, 2023

Ordinary Shares acquired (2018 grant exercise) 25000 shares at 41.1000 per share Ordinary Shares acquired via option exercise on July 29, 2026

Ordinary Shares acquired (2023 grant exercise) 10000 shares at 98.6000 per share Ordinary Shares acquired via option exercise on July 29, 2026

Key Terms

Stock Option (Right to Buy), fully vested and exercisable, semi-annual installments, exercise price

4 terms

Stock Option (Right to Buy) financial

"Reflects stock options to purchase Ordinary Shares."

fully vested and exercisable financial

"These stock options were granted on November 23, 2018 and are fully vested and exercisable."

semi-annual installments financial

"These stock options were granted on August 18, 2023 and vest in seven semi-annual installments."

exercise price financial

"The option exercise price reflects New Taiwan dollars."

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

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 07/31/2026 - 06:12 AM Accepted by SEC EDGAR 07/31/2026 - 06:11 AM Learn about SEC filing dates

FAQ

What insider transactions did Lin Chung report for ASE Technology (ASX)?

Lin Chung, GM of ASE Shanghai & Electronics, reported exercising stock options into 35,000 Ordinary Shares on July 29, 2026. Derivative entries show option exercises linked to 2018 and 2023 grants, with corresponding acquisitions of Ordinary Shares at specified New Taiwan dollar exercise prices.

How many ASE Technology (ASX) stock options did Lin Chung exercise?

The filing shows option exercises covering 35,000 Ordinary Shares of ASE Technology. This consists of options on 25,000 shares tied to a 2018 grant and 10,000 shares tied to a 2023 grant, all exercised on July 29, 2026, according to the Form 4 data.

What were the exercise prices and currency in the ASX Form 4?

The option exercise prices are 41.1000 and 99.7000 New Taiwan dollars per share. A footnote specifies that the option exercise price reflects New Taiwan dollars, and the transactions involve Ordinary Shares received upon exercising stock options at these per-share values.

What is the vesting schedule for Lin Chung’s 2023 ASE Technology (ASX) options?

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

Were Lin Chung’s ASE Technology (ASX) transactions under a Rule 10b5-1 plan?

The Rule 10b5-1 checkbox in the Form 4 is marked false, indicating the transactions are not affirmed as made under a Rule 10b5-1 trading plan. The footnotes describe grant and vesting terms but do not reference any trading plan arrangement.

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^*

Lin Chung

(Last) (First) (Middle)

421 LI SHI ZHEN RD.

ZHANGJIANG HI-TECH PARK

(Street)

SHANGHAI 201210

(City) (State) (Zip)

CHINA

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	GM, ASE Shanghai & Electronics

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/29/2026

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	07/29/2026		M		25,000	A	$41.1(1)	130,278	D
Ordinary Shares	07/29/2026		M		10,000	A	$98.6(1)	140,278	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
Stock Option (Right to Buy)	$41.1(1)	07/29/2026		M			25,000	(2)	11/22/2028	Ordinary Shares	25,000	$0	0	D
Stock Option (Right to Buy)	$99.7(1)	07/29/2026		M			10,000	(3)	08/17/2033	Ordinary Shares	10,000	$0	490,000	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 November 23, 2018 and are fully vested and exercisable.

3. 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.

Remarks:

Exhibit List - Exhibit 24.1 - Power of Attorney

	/s/ Georgette Yeh, attorney-in-fact for Chung Lin	07/31/2026
	** 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)