Hung Pen Chang - 22 Sep 2026 Form 4 Insider Report for ASE Technology Holding Co., Ltd. (ASX)

Reporting relationship: Director
Issuer ticker: ASX
Reported as of: 22 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 24 Sep 2026, 06:05:46 UTC
Prior SEC filing: 15 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Georgette Yeh, attorney-in-fact for Hung Pen Chang

Key filing fact

Hung Pen Chang filed Form 4 for ASE Technology Holding Co., Ltd. (ASX) on 24 Sep 2026.

Key facts

This page summarizes Hung Pen Chang's Form 4 filing for ASE Technology Holding Co., Ltd. (ASX).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 24 Sep 2026, 06:05.

Change

Previous filing in this sequence was filed on 15 Jul 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002118107 Primary reporting owner

Chang Hung Pen

Relationship: Director
Address: ROOM 1901, NO. 333, SECTION 1 KEELUNG RD., TAIPEI, TAIWAN
Signature: /s/ Georgette Yeh, attorney-in-fact for Hung Pen Chang
Signature date: 24 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ASX transaction

Ordinary Shares

Options Exercise

Transaction value
Shares: +300,000
Change %: +6.7%
Price: $98.60^*
Shares after: 4,800,000
Date: 22 Sep 2026
Ownership: Direct
Footnotes: F1

ASX holding

Ordinary Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 3,534,746
Date: 22 Sep 2026
Ownership: By Precious Eagles Limited

ASX holding

Ordinary Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 120,640,482
Date: 22 Sep 2026
Ownership: By Billiant Capital Profits Limited

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ASX transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value
Shares: -300,000
Change %: -20%
Price: $0.000000^*
Shares after: 1,200,000
Date: 22 Sep 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 300,000
Exercise price: $98.60
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

The option exercise price reflects New Taiwan dollars.

Footnote F2

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.