$UMC SEC Filings

Filing Filed On
6-K 27 Apr 2022
6-K 26 Apr 2022
6-K 25 Apr 2022
6-K 06 Apr 2022
6-K 25 Mar 2022
FORM 6-K 15 Mar 2022
6-K 24 Feb 2022
6-K 14 Feb 2022
SC 13G 08 Feb 2022
6-K 27 Jan 2022
6-K 25 Jan 2022
6-K 27 Dec 2021
6-K 26 Nov 2021
FORM 6-K 17 Nov 2021
6-K 27 Oct 2021
6-K 25 Oct 2021
6-K 27 Sep 2021
6-K 03 Sep 2021
6-K 25 Aug 2021
FORM 6-K 10 Aug 2021