$UMC SEC Filings

Filing Filed On
6-K 25 Jul 2023
6-K 26 Jun 2023
6-K 31 May 2023
6-K 25 May 2023
6-K 15 May 2023
6-K 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
6-K 30 Jan 2023
6-K 17 Jan 2023
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