4 insiders reported 33 Form 4 transactions for ASE Technology Holding Co., Ltd. (ASX) over the past 18 months (most recent 2026-07-02). Recent activity: Uang Du-Tsuen (Chief Administration Officer) Sell 3,000 shares, Uang Du-Tsuen (Chief Administration Officer) Sell 2,000 shares, Uang Du-Tsuen (Chief Administration Officer) Sell 3,000 shares, Uang Du-Tsuen (Chief Administration Officer) Sell 3,000 shares, Uang Du-Tsuen (Chief Administration Officer) Sell 5,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-02 | Uang Du-Tsuen | Chief Administration Officer | Sell | 3,000 | $0 |
| 2026-07-02 | Uang Du-Tsuen | Chief Administration Officer | Sell | 2,000 | $0 |
| 2026-07-02 | Uang Du-Tsuen | Chief Administration Officer | Sell | 3,000 | $0 |
| 2026-06-23 | Uang Du-Tsuen | Chief Administration Officer | Sell | 3,000 | $0 |
| 2026-06-23 | Uang Du-Tsuen | Chief Administration Officer | Sell | 5,000 | $0 |
| 2026-06-23 | Uang Du-Tsuen | Chief Administration Officer | Sell | 3,000 | $0 |
| 2026-06-03 | Uang Du-Tsuen | Chief Administration Officer | Sell | 5,000 | $0 |
| 2026-06-03 | Uang Du-Tsuen | Chief Administration Officer | Sell | 5,000 | $0 |
| 2026-05-21 | Chen Jeffrey | Director | Sell | 9,000 | $0 |
| 2026-05-21 | Chen Jeffrey | Director | Sell | 9,000 | $0 |
| 2026-05-21 | Chen Jeffrey | Director | Sell | 9,000 | $0 |
| 2026-05-18 | Chen Jeffrey | Director | Sell | 9,000 | $0 |
| 2026-05-18 | Chen Jeffrey | Director | Sell | 9,000 | $0 |
| 2026-05-18 | Chen Jeffrey | Director | Sell | 9,000 | $0 |
| 2026-04-28 | Chen Jeffrey | Director | Sell | 9,000 | $0 |
| 2026-04-23 | Chen Jeffrey | Director | Sell | 9,000 | $0 |
| 2026-04-23 | Chen Jeffrey | Director | Sell | 9,000 | $0 |
| 2026-04-23 | Chen Jeffrey | Director | Sell | 9,000 | $0 |
| 2026-04-22 | Chen Tien-Szu | GM, ASE Inc. Chung-Li Branch | Sell | 328,000 | $0 |
| 2026-04-22 | Chen Tien-Szu | GM, ASE Inc. Chung-Li Branch | Sell | 50,000 | $0 |
| 2026-04-22 | Chen Tien-Szu | GM, ASE Inc. Chung-Li Branch | Sell | 80,000 | $0 |
| 2026-04-22 | Chen Tien-Szu | GM, ASE Inc. Chung-Li Branch | Sell | 72,000 | $0 |
| 2026-04-20 | Chen Jeffrey | Director | Sell | 9,000 | $0 |
| 2026-04-20 | Chen Jeffrey | Director | Sell | 9,000 | $0 |
| 2026-04-20 | Chen Jeffrey | Director | Sell | 9,000 | $0 |
Source: SEC Form 4 filings · as of 2026-07-02