List of insiders holdings for ASE Technology Holding Co. Ltd.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Chang Chien Shen Director | 2026-04-13 06:06:59 | 7,747,647 949,352,706 | 957,100,353 | Form 4 |
| 2 | Chang Hung Pen Director | 2026-07-15 06:08:28 | 6,000,000 124,175,228 | 130,175,228 | Form 4 |
| 3 | Tsai Chi-Wen Chairman & President, SPIL | 2026-09-09 06:31:01 | 15,598,000 0 | 15,598,000 | Form 4 |
| 4 | Wu Tien-Yue Director | 2026-09-09 06:09:21 | 8,277,473 0 | 8,277,473 | Form 4 |
| 5 | Tung Hung-Szu Chief Financial Officer | 2026-09-09 06:15:12 | 4,202,954 312,457 | 4,515,411 | Form 4 |
| 6 | Lo Raymond GM TW & Kaohsiung Pkg Facility | 2026-09-09 06:22:34 | 4,383,430 0 | 4,383,430 | Form 4 |
| 7 | Chen Jeffrey Director | 2026-09-09 06:07:13 | 2,083,000 600,000 | 2,683,000 | Form 4 |
| 8 | Chen Tien-Szu GM, ASE Inc. Chung-Li Branch | 2026-09-09 06:11:36 | 2,551,821 0 | 2,551,821 | Form 4 |
| 9 | Kuo Hung-Ming Principal Accounting Officer | 2026-09-09 06:20:45 | 985,500 0 | 985,500 | Form 4 |
| 10 | Uang Du-Tsuen Chief Administration Officer | 2026-09-09 06:18:58 | 841,000 0 | 841,000 | Form 4 |
| 11 | Lin Meng-Hui GM, UGT (Shanghai) Co., Ltd | 2026-03-18 16:30:18 | 445,470 95,000 | 540,470 | Form 3 |
| 12 | Chung Chih-Hsiao GM, ASE Japan & Wuxi Tongzhi | 2026-09-09 06:27:38 | 425,000 0 | 425,000 | Form 4 |
| 13 | Wei Chen-Yen Chairman, USI Co., Ltd. | 2026-03-18 14:15:35 | 366,115 0 | 366,115 | Form 3 |
| 14 | Tang Andrew R Director | 2026-09-09 06:13:18 | 310,000 0 | 310,000 | Form 4 |
| 15 | Lin Chung GM, ASE Shanghai & Electronics | 2026-09-09 06:24:20 | 170,278 0 | 170,278 | Form 4 |
| 16 | Hsiang Kenneth CEO, ISE Labs | 2026-09-09 06:26:27 | 109,000 0 | 109,000 | Form 4 |
| 17 | Yu Shen-Fu Director | 2026-03-18 16:21:50 | 0 2,388 | 2,388 | Form 3 |
| 18 | Ko Sharon Mei Wan GM, ASE (PENANG) SDN. BHD. | 2026-08-10 16:45:49 | 0 0 | 0 | Form 3 |
| 19 | Lee Gichol GM, ASE Korea | 2026-03-18 16:51:13 | 0 0 | 0 | Form 3 |
| 20 | Denis Nicolas CEO, Financiere AFG | 2026-03-18 16:51:49 | 0 0 | 0 | Form 3 |
| 21 | Lee Tuck Weng Andrew GM, USI Mexico | 2026-03-18 14:01:15 | 0 0 | 0 | Form 3 |
| 22 | Wu Ying Pin GM, Asteelflash Suzhou Co. Ltd | 2026-03-18 17:00:26 | 0 0 | 0 | Form 3 |
| 23 | Liu Hui-Min GM, USI Vietnam Co. Ltd | 2026-03-18 16:47:50 | 0 0 | 0 | Form 3 |
| 24 | Yu Chih-Wen GM, SPIL SuZhou | 2026-03-18 16:45:21 | 0 0 | 0 | Form 3 |
| 25 | Liu Kelvin Fook Lin GM, ASE Malaysia | 2026-03-18 16:44:35 | 0 0 | 0 | Form 3 |
| 26 | Wendt Dirk GM, Hirschmann Mobility Hldg | 2026-03-18 16:42:10 | 0 0 | 0 | Form 3 |
| 27 | Chen Yean Peng GM, ASE Singapore Pte. Ltd | 2026-03-18 16:39:26 | 0 0 | 0 | Form 3 |
| 28 | Lin Ta-I GM, UGT Kunshan & Huizhou | 2026-03-18 16:38:13 | 0 0 | 0 | Form 3 |
| 29 | Lee Kwai Mun President, ASE SE Asia Ops. | 2026-03-18 16:32:54 | 0 0 | 0 | Form 3 |
| 30 | Chang Dan-Yao Director | 2026-03-18 16:29:32 | 0 0 | 0 | Form 3 |
| 31 | Ho Mei-Yueh Director | 2026-03-18 16:18:06 | 0 0 | 0 | Form 3 |
| 32 | Ong Wen-Chyi Director | 2026-03-18 16:16:47 | 0 0 | 0 | Form 3 |
| 33 | Hew Yee Voon GM, ASE Cheonan, Inc. | 2026-03-18 14:06:24 | 0 0 | 0 | Form 3 |