ASE Technology (NYSE: ASX) director details major option and share holdings

Rhea-AI Filing Summary

ASE Technology Holding Co., Ltd. director Chang Hung Pen filed an initial ownership report detailing existing equity positions, rather than new trades. The filing shows two stock option awards, each tied to 3,000,000 Ordinary Shares, with exercise prices of 41.1000 and 99.7000 New Taiwan dollars and expirations in 2028 and 2033. One grant from November 23, 2018 is fully vested and exercisable, while a grant from August 18, 2023 vests in seven semi-annual installments through August 18, 2028. The report also lists indirect ownership of 3,534,746 Ordinary Shares through Precious Eagles Limited and 120,640,482 Ordinary Shares through Brilliant Capital Profits Limited.

Insider Trade Summary

4 transactions reported

Mixed 4 txns

Insider Chang Hung Pen

Role Director

Type	Security	Shares	Price	Value
holding	Stock Option (Right to Buy)	--	--	--
holding	Stock Option (Right to Buy)	--	--	--
holding	Ordinary Shares	--	--	--
holding	Ordinary Shares	--	--	--

Holdings After Transaction: Stock Option (Right to Buy) — 3,000,000 shares (Direct); Ordinary Shares — 3,534,746 shares (Indirect, By Precious Eagles Limited)

Footnotes (1)

1. Reflects stock options to purchase Ordinary Shares. These stock options were granted on November 23, 2018 and are fully vested and exercisable.1. The option exercise price reflects New Taiwan dollars. 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.

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
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hours per response:			0.5

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, 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	3,534,746	I	By Precious Eagles Limited
Ordinary Shares	120,640,482	I	By Brilliant Capital Profits Limited

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
Stock Option (Right to Buy)	(1)	11/22/2028	Ordinary Shares	3,000,000	$41.1(2)	D
Stock Option (Right to Buy)	(3)	08/17/2033	Ordinary Shares	3,000,000	$99.7(2)	D

Explanation of Responses:

1. Reflects stock options to purchase Ordinary Shares. These stock options were granted on November 23, 2018 and are fully vested and exercisable.1.

2. The option exercise price reflects New Taiwan dollars.

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 Hung Pen Chang	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 ASE Technology (ASX) director Chang Hung Pen report on this Form 3?

Chang Hung Pen reports his existing equity interests in ASE Technology, including stock options and indirectly held Ordinary Shares. This is an initial ownership statement, showing positions already held rather than new market transactions or trades.

How many stock options does Chang Hung Pen hold in ASE Technology (ASX)?

He holds two stock option grants, each linked to 3,000,000 Ordinary Shares. One has an exercise price of 41.1000 New Taiwan dollars and expires November 22, 2028; the other has a 99.7000 exercise price and expires August 17, 2033.

What are the vesting terms of Chang Hung Pen’s 2023 stock options in ASE Technology (ASX)?

The options granted on August 18, 2023 vest in seven semi-annual installments. 40% vested on August 18, 2025, 10% on February 18, 2026, with additional 10% installments scheduled through August 18, 2028.

How many ASE Technology (ASX) Ordinary Shares does Chang Hung Pen hold indirectly?

He reports indirect ownership of 3,534,746 Ordinary Shares through Precious Eagles Limited and 120,640,482 Ordinary Shares through Brilliant Capital Profits Limited. These entities, rather than the individual directly, hold the reported share positions.

Are there any buy or sell transactions in this ASE Technology (ASX) Form 3?

No buy or sell activity is indicated. The entries are classified as holdings, and the transaction summary shows zero buys, zero sells, and four holding entries, reflecting previously established positions instead of new market transactions.

In what currency are Chang Hung Pen’s ASE Technology (ASX) option exercise prices stated?

The option exercise prices, such as 41.1000 and 99.7000, are stated in New Taiwan dollars, as clarified in the accompanying footnote describing the currency of the option strike prices.