UNITED MICROELECTRONICS CORP (UMC) has 4 open-market insider trades by 3 insiders since 2026. Over the last six months insiders net sold $526.4M. The most active filer is Chitung Liu, CFO & VP.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Chitung Liu | CFOVP | — | 2 | $523.1M | 2026-09-17 |
| Che-jen Hu | PresVP | — | 1 | $1.7M | 2026-06-30 |
| Jen-tsung Lin | PresVP | — | 1 | $1.6M | 2026-09-22 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Jen-tsung Lin | President & VP | Sell | $1.6M | 2026-09-22 |
| Chitung Liu | CFO & VP | Sell | $228.8M | 2026-09-16 |
| Chitung Liu | CFO & VP | Sell | $294.3M | 2026-07-13 |
| Che-jen Hu | President & VP | Sell | $1.7M | 2026-06-30 |
Companies that share insiders with UMC, and sector peers with recent insider buying. Related by who files, not by how the stocks move.