2 filings · most recent first
UMC Form 4 Insider Filings
Over the trailing 90 days, UMC insiders sold a net $524.8M in discretionary open-market trades (2 sellers), across 6 Form 4 transactions by 2 insiders.
Liu Chitung Files United Microelectronics Corp Umc Form 4 July 13 2026
Hu Chejen Files United Microelectronics Corp Umc Form 4 June 30 2026