$UMC SEC Filings

Filing Filed On
6-K 25 Aug 2023
FORM 6-K 22 Aug 2023
6-K 26 Jul 2023
6-K 25 Jul 2023
6-K 26 Jun 2023
6-K 31 May 2023
FORM SD 31 May 2023
6-K 25 May 2023
6-K 15 May 2023
6-K 27 Apr 2023
FORM 20-F 27 Apr 2023
6-K 26 Apr 2023
6-K 25 Apr 2023
6-K 27 Mar 2023
FORM 6-K 20 Mar 2023
6-K 24 Feb 2023
6-K 22 Feb 2023
SC 13G/A 10 Feb 2023
6-K 30 Jan 2023
6-K 17 Jan 2023