Form4.ai tracks every SEC insider trade in real time. See every ASX insider filing with a free account — no card.
See every ASX insider filing — free account, no card.
Free accountASE Technology Holding Co., Ltd. (ASX) has 16 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 1 sales totalling $2.3M. Most recent filing: Nov. 3, 2026.
Open-market value, last 90 days
Form 4 filings by type, last 90 days
| Date | Insider | Trade | Value | Price since buy |
|---|---|---|---|---|
| Nov 3, 2026 SEC filing | Chung Chih-Hsiao GM, ASE Japan & Wuxi Tongzhi | Option exercise | $29,580,000 | — |
| Oct 14, 2026 SEC filing | Uang Du-Tsuen Chief Administration Officer | Sold | $2,256,000 | — |
| Sep 24, 2026 SEC filing | Chang Hung Pen Director | Option exercise | $29,580,000 | — |
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.