ASE Technology officer granted 300K shares at $0

An ASE Technology Holding Co. branch general manager received a 300,000-share award, increasing direct holdings to over 2.5 million shares.

Rhea-AI Filing Summary

ASE Technology Holding Co., Ltd. (symbol: ASX) is the issuer of record for a Form 4 filing submitted to the SEC. Chen Tien-Szu reported acquisition or exercise transactions in this Form 4 filing.

ASE Technology Holding Co., Ltd. (ASX) reported that Chen Tien-Szu, GM of ASE Inc. Chung-Li Branch, received a grant of 300,000 ordinary shares on September 7, 2026. The shares were awarded at no per-share cost, bringing this officer’s directly held stake to 2,551,821 ordinary shares.

Insider Trade Summary

Grant/Award: 300,000 shares

Grant/Award 1 txn

Insider Chen Tien-Szu

Role GM, ASE Inc. Chung-Li Branch

Type	Security	Shares	Price	Value
Grant/Award	Ordinary Shares	300,000	$0.00	$0.00

Holdings After Transaction: Ordinary Shares — 2,551,821 shares (Direct)

Key Figures

Shares awarded: 300,000 shares Award price per share: 0.00 per share Shares held after transaction: 2,551,821 shares +1 more

4 metrics

Shares awarded 300,000 shares Grant of ordinary shares on September 7, 2026

Award price per share 0.00 per share Recorded grant price for 300,000 ordinary shares

Shares held after transaction 2,551,821 shares Directly held ordinary shares by Chen Tien-Szu after the award

Number of acquisition transactions reported 1 transaction Single grant or award of ordinary shares reported in this Form 4

FAQ

What insider transaction did ASX report for Chen Tien-Szu?

ASX reported that Chen Tien-Szu received a grant of 300,000 ordinary shares on September 7, 2026, classified as a share award rather than a market purchase.

How many ASX shares does Chen Tien-Szu hold after this transaction?

After the September 7, 2026 award, Chen Tien-Szu directly holds 2,551,821 ordinary shares of ASE Technology Holding Co., Ltd.

Did Chen Tien-Szu buy or sell ASX shares on the market?

No market buy or sell was reported. The Form 4 shows a grant or award acquisition of 300,000 ordinary shares, not an open-market trade.

Was the ASX insider share award made under a Rule 10b5-1 trading plan?

The filing indicates that no Rule 10b5-1 trading plan is reported for this share award to Chen Tien-Szu.

What price was paid for the 300,000 ASX shares granted to Chen Tien-Szu?

The 300,000 ordinary shares were recorded at no per-share cost, consistent with a compensation-related grant or award rather than a purchase.

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

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Available on EDGAR 09/09/2026 - 06:11 AM Accepted by SEC EDGAR 09/09/2026 - 06:11 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^*

Chen Tien-Szu

(Last) (First) (Middle)

550, CHUNG-HWA ROAD, SECTION 1

(Street)

TAOYUAN CITY TAIWAN 32016

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	GM, ASE Inc. Chung-Li Branch

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/07/2026

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	09/07/2026		A		300,000	A	$0	2,551,821	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:

	/s/ Georgette Yeh, attorney-in-fact for Tien-Szu Chen	09/09/2026
	** 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)