United Microelectronics Corp (UMC) — Insider Trading Activity

United Microelectronics Corp (UMC) has 2 insider transactions on record, including 0 open-market purchases and 2 sales by company executives and directors. The most recent transaction was filed on 2026-07-13 by Liu Chitung. The largest single transaction was a sale of $ 294.29M by Liu Chitung.