United Microelectronics Corporation operates as a semiconductor wafer foundry in Taiwan, China, Hong Kong, Japan, Korea, the United States, Europe, and internationally. It manufactures and sells integrated circuits. The company offers circuit design; mask tooling; wafer fabrication; and assembly...
2 insider sale filings on record · latest filing 2026-07-13.
No open-market insider purchases (SEC Form 4 code P) on record for UMC.