🕵️ ASE Technology Holding Co., Ltd. ($ASX)
SEC insider & ownership activity, last 12 months · CIK 1122411 · every row links its SEC filing
Over the last 12 months insiders sold $367.5M with no open-market buying against it. Chen Tien-Szu sold $247.1M (Apr). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 3 sellers, $367.5M (38 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Chen Tien-Szu | 0 | – | 4 | $247.1M | Apr 20, 2026 |
| Chen Jeffrey | 0 | – | 23 | $96.0M | May 27, 2026 |
| Uang Du-Tsuen | 0 | – | 11 | $24.3M | Jul 22, 2026 |
5%+ holders
No current 5%+ beneficial-ownership positions on file.
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
No 8-K filings in the last 12 months.