ASE Technology grants 334K shares to Tsai

A senior executive at ASE Technology Holding Co., Ltd. received a large share award that increased direct ownership.

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. Tsai Chi-Wen reported acquisition or exercise transactions in this Form 4 filing.

ASE Technology Holding Co., Ltd. (ASX) reported that Tsai Chi-Wen, Chairman & President of SPIL, received a grant or award of 334,000 Ordinary Shares on September 7, 2026. The award was at a reported price of $0.00 per share and increased Tsai’s direct holdings to 15,598,000 Ordinary Shares.

The filing indicates no Rule 10b5-1 trading plan for this transaction, suggesting it was not executed under a pre-arranged plan.

Insider Trade Summary

Grant/Award: 334,000 shares

Grant/Award 1 txn

Insider Tsai Chi-Wen

Role Chairman & President, SPIL

Type	Security	Shares	Price	Value
Grant/Award	Ordinary Shares	334,000	$0.00	$0.00

Holdings After Transaction: Ordinary Shares — 15,598,000 shares (Direct)

Key Figures

Shares granted or awarded: 334,000 shares Price per share: $0.00 per share Shares held after transaction: 15,598,000 shares +1 more

4 metrics

Shares granted or awarded 334,000 shares Ordinary Shares granted or awarded on September 7, 2026

Price per share $0.00 per share Reported for the 334,000-share grant or award

Shares held after transaction 15,598,000 shares Direct Ordinary Share holdings of Tsai Chi-Wen after the grant

Rule 10b5-1 plan status No Rule 10b5-1 plan reported Affirmation checkbox for trading plans not selected

Key Terms

Ordinary Shares, Grant, award, or other acquisition, Rule 10b5-1

3 terms

Ordinary Shares financial

"received a grant or award of 334,000 Ordinary Shares on September"

Ordinary shares are a type of ownership stake in a company, giving shareholders a right to participate in the company’s profits and decision-making through voting. They are similar to owning a piece of a business, and their value can rise or fall based on the company's performance. Investors buy ordinary shares to potentially earn dividends and benefit from the company's growth over time.

Grant, award, or other acquisition financial

"coded as a Grant, award, or other acquisition of shares"

Rule 10b5-1 regulatory

"indicates no Rule 10b5-1 trading plan for this transaction"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

FAQ

What insider transaction did ASX report for Tsai Chi-Wen?

ASE Technology Holding reported that Tsai Chi-Wen received a grant or award of 334,000 Ordinary Shares on September 7, 2026, increasing direct ownership to 15,598,000 shares.

Was the ASX insider share award to Tsai Chi-Wen made under a Rule 10b5-1 plan?

No. The disclosure shows the Rule 10b5-1 checkbox as not selected, indicating the reported grant or award was not made under a Rule 10b5-1 trading plan.

What price per share applied to the 334,000-share award at ASX?

The award to Tsai Chi-Wen was reported at a price of $0.00 per share, indicating it was a compensation-related grant or award rather than an open-market purchase.

How many ASX shares does Tsai Chi-Wen hold after the reported transaction?

After the September 7, 2026 grant or award, Tsai Chi-Wen directly holds 15,598,000 Ordinary Shares of ASE Technology Holding Co., Ltd.

What is the nature of Tsai Chi-Wen’s role related to the ASX share award?

Tsai Chi-Wen is identified as Chairman & President, SPIL, and in that capacity received a grant or award of 334,000 Ordinary Shares of ASE Technology Holding Co., Ltd.

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

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Available on EDGAR 09/09/2026 - 06:31 AM Accepted by SEC EDGAR 09/09/2026 - 06:31 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^*

Tsai Chi-Wen

(Last) (First) (Middle)

NO. 123, SEC. 3, DA FONG RD.

TANZI DISTRICT

(Street)

TAICHUNG CITY TAIWAN 427351

(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)
	Chairman & President, SPIL

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		334,000	A	$0	15,598,000	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 Chi-Wen Tsai	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)