ASX · ASE Technology Holding Co., Ltd.
Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 3, 4 and 5. Form 4 must be filed within two business days of the trade.
Insider Sentiment Score
Peer-relative 0–100 rank of how aggressively insiders accumulated over the trailing 90 days. See the full ranking.
| Date | Insider | Role | Type | Security | Shares |
|---|---|---|---|---|---|
| 2026-07-22 | Uang Du-Tsuen |
Chief Administration Officer |
Sell↓
Filing footnotes — Ordinary Shares (Direct)
New Taiwan Dollars. |
Ordinary Shares
|
3,000 |
| 2026-07-15 | Uang Du-Tsuen |
Chief Administration Officer |
Sell↓
Filing footnotes — Ordinary Shares (Direct)
New Taiwan Dollars. |
Ordinary Shares
|
3,000 |
| 2026-07-13 | Chang Hung Pen |
Director |
Convert↑
Filing footnotes — Ordinary Shares (Direct)
The option exercise price reflects New Taiwan dollars. |
Ordinary Shares
|
3,000,000 |
| 2026-07-13 | Chang Hung Pen |
Director |
Convert↑
Filing footnotes — Ordinary Shares (Direct)
The option exercise price reflects New Taiwan dollars. The option exercise price was adjusted from $99.7 to $98.6 on July 11 due to cash dividend distribution. |
Ordinary Shares
|
1,500,000 |
| 2026-07-13 | Chang Hung Pen |
Director |
Convert↓
Filing footnotes — Stock Option (Right to Buy) (Direct)
The option exercise price reflects New Taiwan dollars. Reflects stock options to purchase Ordinary Shares. These stock options were granted on November 23, 2018 and are fully vested and exercisable. |
Stock Option (Right to Buy)
|
3,000,000 |
| 2026-07-13 | Chang Hung Pen |
Director |
Convert↓
Filing footnotes — Stock Option (Right to Buy) (Direct)
The option exercise price reflects New Taiwan dollars. 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. |
Stock Option (Right to Buy)
|
1,500,000 |
| 2026-07-06 | Uang Du-Tsuen |
Chief Administration Officer |
Sell↓
Filing footnotes — Ordinary Shares (Direct)
New Taiwan Dollars. |
Ordinary Shares
|
2,000 |
| 2026-07-01 | Uang Du-Tsuen |
Chief Administration Officer |
Sell↓
Filing footnotes — Ordinary Shares (Direct)
New Taiwan Dollars. |
Ordinary Shares
|
3,000 |
| 2026-06-30 | Uang Du-Tsuen |
Chief Administration Officer |
Sell↓
Filing footnotes — Ordinary Shares (Direct)
New Taiwan Dollars. |
Ordinary Shares
|
3,000 |
| 2026-06-30 | Uang Du-Tsuen |
Chief Administration Officer |
Sell↓
Filing footnotes — Ordinary Shares (Direct)
New Taiwan Dollars. |
Ordinary Shares
|
2,000 |
| 2026-06-23 | Uang Du-Tsuen |
Chief Administration Officer |
Sell↓
Filing footnotes — Ordinary Shares (Direct)
New Taiwan Dollars. |
Ordinary Shares
|
3,000 |
| 2026-06-22 | Uang Du-Tsuen |
Chief Administration Officer |
Sell↓
Filing footnotes — Ordinary Shares (Direct)
New Taiwan Dollars. |
Ordinary Shares
|
5,000 |
| 2026-06-18 | Uang Du-Tsuen |
Chief Administration Officer |
Sell↓
Filing footnotes — Ordinary Shares (Direct)
New Taiwan Dollars. |
Ordinary Shares
|
3,000 |
| 2026-06-03 | Uang Du-Tsuen |
Chief Administration Officer |
Sell↓
Filing footnotes — Ordinary Shares (Direct)
New Taiwan Dollars. |
Ordinary Shares
|
5,000 |
| 2026-06-01 | Uang Du-Tsuen |
Chief Administration Officer |
Sell↓
Filing footnotes — Ordinary Shares (Direct)
New Taiwan Dollars. |
Ordinary Shares
|
5,000 |
| 2026-05-27 | Chen Jeffrey |
Director |
Sell↓
Filing footnotes — Ordinary Shares (Indirect)
New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any. |
Ordinary Shares
(I)
|
2,000 |
| 2026-05-26 | Chen Jeffrey |
Director |
Sell↓
Filing footnotes — Ordinary Shares (Indirect)
New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any. |
Ordinary Shares
(I)
|
9,000 |
| 2026-05-25 | Chen Jeffrey |
Director |
Sell↓
Filing footnotes — Ordinary Shares (Indirect)
New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any. |
Ordinary Shares
(I)
|
9,000 |
| 2026-05-22 | Chen Jeffrey |
Director |
Sell↓
Filing footnotes — Ordinary Shares (Indirect)
New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any. |
Ordinary Shares
(I)
|
9,000 |
| 2026-05-21 | Chen Jeffrey |
Director |
Sell↓
Filing footnotes — Ordinary Shares (Indirect)
New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any. |
Ordinary Shares
(I)
|
9,000 |
| 2026-05-20 | Chen Jeffrey |
Director |
Sell↓
Filing footnotes — Ordinary Shares (Indirect)
New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any. |
Ordinary Shares
(I)
|
9,000 |
| 2026-05-19 | Chen Jeffrey |
Director |
Sell↓
Filing footnotes — Ordinary Shares (Indirect)
New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any. |
Ordinary Shares
(I)
|
9,000 |
| 2026-05-18 | Chen Jeffrey |
Director |
Sell↓
Filing footnotes — Ordinary Shares (Indirect)
New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any. |
Ordinary Shares
(I)
|
9,000 |
| 2026-05-15 | Chen Jeffrey |
Director |
Sell↓
Filing footnotes — Ordinary Shares (Indirect)
New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any. |
Ordinary Shares
(I)
|
9,000 |
| 2026-05-14 | Chen Jeffrey |
Director |
Sell↓
Filing footnotes — Ordinary Shares (Indirect)
New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any. |
Ordinary Shares
(I)
|
9,000 |
| 2026-04-24 | Chen Jeffrey |
Director |
Sell↓
Filing footnotes — Ordinary Shares (Indirect)
New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any. |
Ordinary Shares
(I)
|
9,000 |
| 2026-04-23 | Chen Jeffrey |
Director |
Sell↓
Filing footnotes — Ordinary Shares (Indirect)
New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any. |
Ordinary Shares
(I)
|
9,000 |
| 2026-04-22 | Chen Jeffrey |
Director |
Sell↓
Filing footnotes — Ordinary Shares (Indirect)
New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any. |
Ordinary Shares
(I)
|
9,000 |
| 2026-04-21 | Chen Jeffrey |
Director |
Sell↓
Filing footnotes — Ordinary Shares (Indirect)
New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any. |
Ordinary Shares
(I)
|
9,000 |
| 2026-04-20 | Chen Tien-Szu |
GM, ASE Inc. Chung-Li Branch |
Sell↓
Filing footnotes — Ordinary Shares (Direct)
New Taiwan Dollars. |
Ordinary Shares
|
72,000 |
| 2026-04-20 | Chen Tien-Szu |
GM, ASE Inc. Chung-Li Branch |
Sell↓
Filing footnotes — Ordinary Shares (Direct)
New Taiwan Dollars. |
Ordinary Shares
|
50,000 |
| 2026-04-20 | Chen Jeffrey |
Director |
Sell↓
Filing footnotes — Ordinary Shares (Indirect)
New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any. |
Ordinary Shares
(I)
|
9,000 |
| 2026-04-20 | Chen Tien-Szu |
GM, ASE Inc. Chung-Li Branch |
Sell↓
Filing footnotes — Ordinary Shares (Direct)
New Taiwan Dollars. |
Ordinary Shares
|
80,000 |
| 2026-04-20 | Chen Tien-Szu |
GM, ASE Inc. Chung-Li Branch |
Sell↓
Filing footnotes — Ordinary Shares (Direct)
New Taiwan Dollars. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $465 to $465.5 New Taiwan Dollars per share. The holder undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
Ordinary Shares
|
328,000 |
| 2026-04-17 | Chen Jeffrey |
Director |
Sell↓
Filing footnotes — Ordinary Shares (Indirect)
New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any. |
Ordinary Shares
(I)
|
9,000 |
| 2026-04-16 | Chen Jeffrey |
Director |
Sell↓
Filing footnotes — Ordinary Shares (Indirect)
New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any. |
Ordinary Shares
(I)
|
9,000 |
| 2026-04-15 | Chen Jeffrey |
Director |
Sell↓
Filing footnotes — Ordinary Shares (Indirect)
New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any. |
Ordinary Shares
(I)
|
9,000 |
| 2026-04-14 | Chen Jeffrey |
Director |
Sell↓
Filing footnotes — Ordinary Shares (Indirect)
New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any. |
Ordinary Shares
(I)
|
9,000 |
| 2026-04-13 | Chen Jeffrey |
Director |
Sell↓
Filing footnotes — Ordinary Shares (Indirect)
New Taiwan Dollars. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $408 to $408.5 New Taiwan Dollars per share. The holder undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any. |
Ordinary Shares
(I)
|
9,000 |
| 2026-04-10 | Chen Jeffrey |
Director |
Sell↓
Filing footnotes — Ordinary Shares (Indirect)
New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any. |
Ordinary Shares
(I)
|
9,000 |
| 2026-04-09 | Chang Chien Shen |
Director |
Convert↓
Filing footnotes — Stock Option (Right to Buy) (Direct)
New Taiwan Dollars. Reflects stock options to purchase Ordinary Shares. These stock options were granted on November 23, 2018 and are fully vested and exercisable. |
Stock Option (Right to Buy)
|
3,000,000 |
| 2026-04-09 | Chang Chien Shen |
Director |
Convert↑
Filing footnotes — Ordinary Shares (Direct)
New Taiwan Dollars. |
Ordinary Shares
|
3,000,000 |
| 2026-04-09 | Chen Jeffrey |
Director |
Sell↓
Filing footnotes — Ordinary Shares (Indirect)
New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any. |
Ordinary Shares
(I)
|
9,000 |
| 2026-04-09 | Chang Chien Shen |
Director |
Convert↑
Filing footnotes — Ordinary Shares (Direct)
New Taiwan Dollars. |
Ordinary Shares
|
1,500,000 |
| 2026-04-09 | Chang Chien Shen |
Director |
Convert↓
Filing footnotes — Stock Option (Right to Buy) (Direct)
New Taiwan Dollars. 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. |
Stock Option (Right to Buy)
|
1,500,000 |
| 2026-04-08 | Chen Jeffrey |
Director |
Sell↓
Filing footnotes — Ordinary Shares (Indirect)
New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any. |
Ordinary Shares
(I)
|
9,000 |
| 2026-03-18 | Liu Hui-Min |
GM, USI Vietnam Co. Ltd |
Other↑
|
No Securities Owned
|
0 |
| 2026-03-18 | Ong Wen-Chyi |
Director |
Other↑
|
No Securities Owned
|
0 |
| 2026-03-18 | Chang Dan-Yao |
Director |
Other↑
|
No Securities Owned
|
0 |
| 2026-03-18 | Lin Ta-I |
GM, UGT Kunshan & Huizhou |
Other↑
|
No Securities Owned
|
0 |