$UMC SEC Filings

Filing Filed On
REGISTRATION STATEMENT 28 Dec 2022
6-K 27 Dec 2022
6-K 25 Nov 2022
6-K 15 Nov 2022
6-K 26 Oct 2022
6-K 25 Oct 2022
6-K 26 Sep 2022
FORM 6-K 26 Aug 2022
6-K 25 Aug 2022
F-6 POS 01 Aug 2022
6-K 27 Jul 2022
6-K 25 Jul 2022
6-K 27 Jun 2022
6-K 27 May 2022
FORM SD 27 May 2022
6-K 25 May 2022
6-K 24 May 2022
6-K 28 Apr 2022
FORM 20-F 28 Apr 2022
6-K 27 Apr 2022