Chung Lin - 29 Jul 2026 Form 4 Insider Report for ASE Technology Holding Co., Ltd. (ASX)

Reporting relationship: GM, ASE Shanghai & Electronics
Issuer ticker: ASX
Reported as of: 29 Jul 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 31 Jul 2026, 06:11:49 UTC
Prior SEC filing: 18 Mar 2026
Next SEC filing: 09 Sep 2026
Source filing: View source filing
Reporting owner signature: /s/ Georgette Yeh, attorney-in-fact for Chung Lin

Key filing fact

Chung Lin filed Form 4 for ASE Technology Holding Co., Ltd. (ASX) on 31 Jul 2026.

Key facts

This page summarizes Chung Lin's Form 4 filing for ASE Technology Holding Co., Ltd. (ASX).
4 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 31 Jul 2026, 06:11.

Change

Previous filing in this sequence was filed on 18 Mar 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 0002116818 Primary reporting owner

Lin Chung

Relationship: GM, ASE Shanghai & Electronics
Address: 421 LI SHI ZHEN RD., ZHANGJIANG HI-TECH PARK, SHANGHAI, CHINA
Signature: /s/ Georgette Yeh, attorney-in-fact for Chung Lin
Signature date: 31 Jul 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: +25,000
Change %: +24%
Price: $41.10^*
Shares after: 130,278
Date: 29 Jul 2026
Ownership: Direct
Footnotes: F1

ASX transaction

Ordinary Shares

Options Exercise

Transaction value
Shares: +10,000
Change %: +7.7%
Price: $98.60^*
Shares after: 140,278
Date: 29 Jul 2026
Ownership: Direct
Footnotes: F1

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: -25,000
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 29 Jul 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 25,000
Exercise price: $41.10
Footnotes: F1, F2

ASX transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value
Shares: -10,000
Change %: -2%
Price: $0.000000^*
Shares after: 490,000
Date: 29 Jul 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 10,000
Exercise price: $99.70
Footnotes: F1, F3

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 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 November 23, 2018 and are fully vested and exercisable.

Footnote F3

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.

SEC remarks

Exhibit List - Exhibit 24.1 - Power of Attorney