Company · CIK 0001122411 · SIC 3674 — Semiconductors & Related Devices · NYSE
ASE Technology Holding Co., Ltd. · ASX
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 22, 2026 MForm 4 → | Sep 24, 6:05 am EDT | Hung Pen ChangDirector | 300,000 | $98.60 | $29,580,000 | 4,800,000 | — | |
| Sep 7, 2026 AForm 4 → | Sep 9, 6:31 am EDT | Chi-Wen TsaiChairman & President, SPIL | 334,000 | — | — | 15,598,000 | — | |
| Sep 7, 2026 AForm 4 → | Sep 9, 6:27 am EDT | Chih-Hsiao ChungGM, ASE Japan & Wuxi Tongzhi | 30,000 | — | — | 425,000 | — | |
| Sep 7, 2026 AForm 4 → | Sep 9, 6:26 am EDT | Kenneth HsiangCEO, ISE Labs | 40,000 | — | — | 109,000 | — | |
| Sep 7, 2026 AForm 4 → | Sep 9, 6:24 am EDT | Chung LinGM, ASE Shanghai & Electronics | 30,000 | — | — | 170,278 | — | |
| Sep 7, 2026 AForm 4 → | Sep 9, 6:22 am EDT | Raymond LoGM TW & Kaohsiung Pkg Facility | 400,000 | — | — | 4,383,430 | — | |
| Sep 7, 2026 AForm 4 → | Sep 9, 6:20 am EDT | Hung-Ming KuoPrincipal Accounting Officer | 50,000 | — | — | 985,500 | — | |
| Sep 7, 2026 AForm 4 → | Sep 9, 6:18 am EDT | Du-Tsuen UangChief Administration Officer | 90,000 | — | — | 841,000 | — | |
| Sep 7, 2026 AForm 4 → | Sep 9, 6:15 am EDT | Hung-Szu TungChief Financial Officer | 400,000 | — | — | 4,202,954 | — | |
| Sep 7, 2026 AForm 4 → | Sep 9, 6:13 am EDT | Andrew R TangDirector | 85,000 | — | — | 310,000 | — | |
| Sep 7, 2026 AForm 4 → | Sep 9, 6:11 am EDT | Tien-Szu ChenGM, ASE Inc. Chung-Li Branch | 300,000 | — | — | 2,551,821 | — | |
| Sep 7, 2026 AForm 4 → | Sep 9, 6:09 am EDT | Tien-Yue WuDirector | 600,000 | — | — | 8,277,473 | — | |
| Sep 7, 2026 AGForm 4 → | Sep 9, 6:07 am EDT | Jeffrey ChenDirector | 1,500,000 | — | — | 600,000 | — | |
| Aug 12, 2026 MForm 4 → | Aug 19, 6:16 am EDT | Chih-Hsiao ChungGM, ASE Japan & Wuxi Tongzhi | 365,000 | $41.10 | $15,001,500 | 395,000 | — | late |
| Jul 29, 2026 MForm 4 → | Jul 31, 6:11 am EDT | Chung LinGM, ASE Shanghai & Electronics | 35,000 | $57.53 | $2,013,500 | 140,278 | — | |
| Jul 22, 2026 SForm 4 → | Jul 24, 6:07 am EDT | Du-Tsuen UangChief Administration Officer | 3,000 | $665.00 | $1,995,000 | 751,000 | −0.40% | |
| Jul 15, 2026 SForm 4 → | Jul 17, 9:42 am EDT | Du-Tsuen UangChief Administration Officer | 3,000 | $688.00 | $2,064,000 | 754,000 | −0.40% | |
| Jul 13, 2026 MForm 4 → | Jul 15, 6:08 am EDT | Hung Pen ChangDirector | 4,500,000 | $60.27 | $271,200,000 | 4,500,000 | — | |
| Jul 6, 2026 SForm 4 → | Jul 8, 6:05 am EDT | Du-Tsuen UangChief Administration Officer | 2,000 | $687.00 | $1,374,000 | 757,000 | −0.26% | |
| Jun 30, 2026 SForm 4 → | Jul 2, 7:15 am EDT | Du-Tsuen UangChief Administration Officer | 8,000 | $686.63 | $5,493,000 | 759,000 | −1.04% | |
| Jun 18, 2026 SForm 4 → | Jun 23, 6:09 am EDT | Du-Tsuen UangChief Administration Officer | 11,000 | $659.91 | $7,259,000 | 767,000 | −1.41% | |
| Jun 1, 2026 SForm 4 → | Jun 3, 6:07 am EDT | Du-Tsuen UangChief Administration Officer | 10,000 | $612.00 | $6,120,000 | 778,000 | −1.27% |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 22, 2026 MForm 4 → | Sep 24, 6:05 am EDT | Hung Pen ChangDirector | 300,000 | — | — | 1,200,000 | — | |
| Aug 12, 2026 MForm 4 → | Aug 19, 6:16 am EDT | Chih-Hsiao ChungGM, ASE Japan & Wuxi Tongzhi | 365,000 | — | — | 0 | — | late |
| Jul 29, 2026 MForm 4 → | Jul 31, 6:11 am EDT | Chung LinGM, ASE Shanghai & Electronics | 35,000 | — | — | 490,000 | — | |
| Jul 13, 2026 MForm 4 → | Jul 15, 6:08 am EDT | Hung Pen ChangDirector | 4,500,000 | — | — | 1,500,000 | — |