Key facts
- This page summarizes Chien Shen Chang's Form 4 filing for ASE Technology Holding Co., Ltd. (ASX).
- 4 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 13 Apr 2026, 06:06.
Chien Shen Chang - 09 Apr 2026 Form 4 Insider Report for ASE Technology Holding Co., Ltd. (ASX)
- Reporting relationship
- Director
- Issuer ticker
- ASX
- Reported as of
- 09 Apr 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 13 Apr 2026, 06:06:59 UTC
- Prior SEC filing
- 18 Mar 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Georgette Yeh, attorney-in-fact for Chien Shen Chang
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Chien Shen Chang filed Form 4 for ASE Technology Holding Co., Ltd. (ASX) on 13 Apr 2026.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0002111678
Primary reporting owner
Chang Chien Shen
- Relationship
- Director
- Address
- ROOM 1901, NO. 333, SECTION 1 KEELUNG RD., TAIPEI, TAIWAN
- Signature
- /s/ Georgette Yeh, attorney-in-fact for Chien Shen Chang
- Signature date
- 13 Apr 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
- +3,000,000
- Change %
- +172%
- Price
- $41.10*
- Shares after
- 4,747,647
- Date
- 09 Apr 2026
- Ownership
- Direct
- Footnotes
- F1
ASX
transaction
Ordinary Shares
Options Exercise
- Transaction value
- Shares
- +1,500,000
- Change %
- +32%
- Price
- $99.70*
- Shares after
- 6,247,647
- Date
- 09 Apr 2026
- Ownership
- Direct
- Footnotes
- F1
ASX
holding
Ordinary Shares
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 684,327,886
- Date
- 09 Apr 2026
- Ownership
- By ASE Enterprises Limited
ASX
holding
Ordinary Shares
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 265,024,820
- Date
- 09 Apr 2026
- Ownership
- By Value Tower Ltd.
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
- -3,000,000
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 09 Apr 2026
- Ownership
- Direct
- Underlying class
- Ordinary Shares
- Underlying amount
- 3,000,000
- Exercise price
- $41.10
- Footnotes
- F1, F2
ASX
transaction
Derivative
Stock Option (Right to Buy)
Options Exercise
- Transaction value
- Shares
- -1,500,000
- Change %
- -50%
- Price
- $0.000000*
- Shares after
- 1,500,000
- Date
- 09 Apr 2026
- Ownership
- Direct
- Underlying class
- Ordinary Shares
- Underlying amount
- 1,500,000
- 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
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 at10% each on August 18 2026, February 18, 2027, August 18, 2027, February 18, 2028 and August 18, 2028.