Insider Cluster All stocks

UMC insider trading

United Microelectronics Corp

In the past 36 days, 2 insiders sold $230.4M.

Insider purchases

No open-market purchases by insiders in this period.

Insider sales

InsiderValueHoldingsPlanTraded / filed
Jen-Tsung Lin
Vice President
$1.6M
10,000 sh @ $163.00
−0.8% Not pre-scheduled Sep 22, 2026
Filed Sep 22, 2026
Chitung Liu
CFO & SVP
$228.8M
1,600,000 sh @ $143.00
−37.7% Not pre-scheduled Sep 16, 2026
Filed Sep 17, 2026