ASE Technology (NYSE: ASX) GM reports stock options and shares

Rhea-AI Filing Summary

ASE Technology Holding Co., Ltd. executive Chung Chih-Hsiao filed an initial ownership report showing existing equity interests rather than new trades. He holds stock options over 365,000 Ordinary Shares with an exercise price of 41.1000 New Taiwan dollars that were granted in 2018 and are fully vested and exercisable.

He also holds stock options over 500,000 Ordinary Shares with an exercise price of 99.7000 New Taiwan dollars, granted in 2023, which vest in seven semi-annual installments from August 18, 2025 through August 18, 2028. In addition, he directly owns 31,000 Ordinary Shares.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Chung Chih-Hsiao

Role GM, ASE Japan & Wuxi Tongzhi

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

Holdings After Transaction: Stock Option (Right to Buy) — 365,000 shares (Direct); Ordinary Shares — 31,000 shares (Direct)

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. 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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1. Name and Address of Reporting Person^*

Chung Chih-Hsiao

(Last) (First) (Middle)

1863, OOAZAIRYUDA

TAKAHATA-MACHI

(Street)

HIGASHIOKITAMA-GUN, YAMAGATA 992-0324

(City) (State) (Zip)

JAPAN

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	GM, ASE Japan & Wuxi Tongzhi

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	31,000	D

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	365,000	$41.1(2)	D
Stock Option (Right to Buy)	(3)	08/17/2033	Ordinary Shares	500,000	$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.

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 Chih-Hsiao Chung	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 Chung Chih-Hsiao’s Form 3 for ASX report?

The Form 3 reports Chung Chih-Hsiao’s existing equity interests in ASE Technology Holding Co., Ltd., including stock options and Ordinary Shares. It is an initial ownership statement and does not show new purchase or sale transactions, only the positions he already holds.

How many ASE Technology stock options does Chung Chih-Hsiao hold?

He holds stock options over 365,000 Ordinary Shares with a 41.1000 New Taiwan dollar exercise price and options over 500,000 Ordinary Shares with a 99.7000 New Taiwan dollar exercise price. Both option awards are reported as directly owned derivative securities.

What is the vesting status of Chung Chih-Hsiao’s 2018 ASE Technology options?

The 2018 stock options to purchase 365,000 Ordinary Shares are described as fully vested and exercisable. They were granted on November 23, 2018, with an exercise price stated in New Taiwan dollars, and remain outstanding as derivative holdings in this ownership report.

How do the 2023 ASE Technology stock options vest for Chung Chih-Hsiao?

The 2023 grant of stock options to purchase 500,000 Ordinary Shares vests in seven semi-annual installments. Footnotes state 40% vested on August 18, 2025, 10% vested on February 18, 2026, and the remaining 10% installments vest on dates through August 18, 2028.

Does the ASX Form 3 show Chung Chih-Hsiao buying or selling shares?

The Form 3 identifies three holding entries and transaction data show zero buy and zero sell counts. This indicates the report lists existing stock and option positions without recording open-market purchases, sales, or other transaction activity on the reported date.

What direct Ordinary Share holdings does Chung Chih-Hsiao report in ASX?

He reports direct ownership of 31,000 Ordinary Shares of ASE Technology Holding Co., Ltd. This stake is separate from his stock option awards and represents current common equity held outright, as disclosed in the non-derivative securities section of the ownership data.