UMC [UNITED MICROELECTRONICS] 6-K: www.umc.com Description 99.1 Announcement on 2020/05/08: April Revenue
[www.umc.com Description 99.1 Announcement on 2020/05/08: April Revenue 99.2 Announcement on 2020/05/15: the trading and pledge of UMC common shares by directors, executive officers and 10% shareholders of UMC 1 United Microelectronics Corporation May 08, 2020 This is to report the changes or status ]
