UMC
UNITED MICROELECTRONICS CORP
Stock Price & Insider Activity
Historical close with open-market insider transaction markers
Insider activity
Sign in to download CSVBought$00 buy days
Sold$526.4M5 sell days
Net insider flow$-526.4Mnet selling · 10 years
Latest trade2026-09-22LIN JEN-TSUNG
| Date | Side | Insider | Role | Shares | Avg price | Value | Trades |
|---|---|---|---|---|---|---|---|
| 2026-09-22 | Sell | LIN JEN-TSUNG | VP | 10,000 | $163.00 | $1.6M | 1 |
| 2026-09-17 | Sell | Liu Chitung | CFO | 400,000 | $145.00 | $58.0M | 1 |
| 2026-09-16 | Sell | Liu Chitung | CFO | 1,200,000 | $142.33 | $170.8M | 1 |
| 2026-07-13 | Sell | Liu Chitung | CFO | 1,900,000 | $154.89 | $294.3M | 1 |
| 2026-06-30 | Sell | HU CHE-JEN | VP | 10,000 | $171.30 | $1.7M | 1 |