14 insiders reported 61 Form 4 transactions for ASE Technology Holding Co., Ltd. (ASX) over the past 18 months (most recent 2026-09-24). Recent activity: Chang Hung Pen (Director) Buy 300,000 shares, Uang Du-Tsuen (Chief Administration Officer) Buy 90,000 shares, Tang Andrew R (Director) Buy 85,000 shares, Kuo Hung-Ming (Principal Accounting Officer) Buy 50,000 shares, Wu Tien-Yue (Director) Buy 600,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-24 | Chang Hung Pen | Director | Buy | 300,000 | $29.6M |
| 2026-09-09 | Uang Du-Tsuen | Chief Administration Officer | Buy | 90,000 | $0 |
| 2026-09-09 | Tang Andrew R | Director | Buy | 85,000 | $0 |
| 2026-09-09 | Kuo Hung-Ming | Principal Accounting Officer | Buy | 50,000 | $0 |
| 2026-09-09 | Wu Tien-Yue | Director | Buy | 600,000 | $0 |
| 2026-09-09 | Chen Tien-Szu | GM, ASE Inc. Chung-Li Branch | Buy | 300,000 | $0 |
| 2026-09-09 | Hsiang Kenneth | CEO, ISE Labs | Buy | 40,000 | $0 |
| 2026-09-09 | Tsai Chi-Wen | Chairman & President, SPIL | Buy | 334,000 | $0 |
| 2026-09-09 | Tung Hung-Szu | Chief Financial Officer | Buy | 400,000 | $0 |
| 2026-09-09 | Lin Chung | GM, ASE Shanghai & Electronics | Buy | 30,000 | $0 |
| 2026-09-09 | Chung Chih-Hsiao | GM, ASE Japan & Wuxi Tongzhi | Buy | 30,000 | $0 |
| 2026-09-09 | Lo Raymond | GM TW & Kaohsiung Pkg Facility | Buy | 400,000 | $0 |
| 2026-09-09 | Chen Jeffrey | Director | Buy | 300,000 | $0 |
| 2026-09-09 | Chen Jeffrey | Director | Sell | 600,000 | $0 |
| 2026-09-09 | Chen Jeffrey | Director | Buy | 600,000 | $0 |
| 2026-08-19 | Chung Chih-Hsiao | GM, ASE Japan & Wuxi Tongzhi | Buy | 292,000 | $12.0M |
| 2026-08-19 | Chung Chih-Hsiao | GM, ASE Japan & Wuxi Tongzhi | Buy | 73,000 | $3.0M |
| 2026-07-31 | Lin Chung | GM, ASE Shanghai & Electronics | Buy | 25,000 | $1.0M |
| 2026-07-31 | Lin Chung | GM, ASE Shanghai & Electronics | Buy | 10,000 | $986,000 |
| 2026-07-24 | Uang Du-Tsuen | Chief Administration Officer | Sell | 3,000 | $2.0M |
| 2026-07-17 | Uang Du-Tsuen | Chief Administration Officer | Sell | 3,000 | $2.1M |
| 2026-07-15 | Chang Hung Pen | Director | Buy | 3.0M | $123.3M |
| 2026-07-15 | Chang Hung Pen | Director | Buy | 1.5M | $147.9M |
| 2026-07-08 | Uang Du-Tsuen | Chief Administration Officer | Sell | 2,000 | $1.4M |
| 2026-07-02 | Uang Du-Tsuen | Chief Administration Officer | Sell | 3,000 | $2.0M |
Source: SEC Form 4 filings · as of 2026-09-24