UMC [UNITED MICROELECTRONICS] 6-K: (Original Filing)
[www.umc.com Description 99.1 Announcement on 2020/09/01: UMC will attend investor conferences on 2020/09/08 99.2 Announcement on 2020/09/09: August Revenue 99.3 Announcement on 2020/09/15: the trading and pledge of UMC common shares by directors, executive officers and 10% shareholders of UMC 1 UMC ]