ASX ASE Technology Holding Co., Ltd.
ASE Technology Holding Co., Ltd. (ASX) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 0% planned / 100% discretionary
Largest single sale: $3.3M.
Where they traded
No open-market insider purchase on record.
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Uang Du-Tsuen | Chief Administration Officer | Sell | 3,000 | $665.00 | $2.0M | 751,000 −0.4% of holding | |
| Uang Du-Tsuen | Chief Administration Officer | Sell | 3,000 | $688.00 | $2.1M | 754,000 −0.4% of holding | |
| Uang Du-Tsuen | Chief Administration Officer | Sell | 2,000 | $687.00 | $1.4M | 757,000 −0.3% of holding | |
| Uang Du-Tsuen | Chief Administration Officer | Sell | 3,000 | $709.00 | $2.1M | 759,000 −0.4% of holding | |
| Uang Du-Tsuen 2 fills | Chief Administration Officer | Sell | 5,000 | $673.20 | $3.4M | 764,000 −0.7% of holding | |
| Uang Du-Tsuen | Chief Administration Officer | Sell | 3,000 | $697.00 | $2.1M | 767,000 −0.4% of holding | |
| Uang Du-Tsuen | Chief Administration Officer | Sell | 5,000 | $667.00 | $3.3M | 770,000 −0.6% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.