$DZSI SEC Filings

Filing Filed On
8-K 06 Jun 2022
8-K 01 Jun 2022
8-K 31 May 2022
8-K 12 May 2022
8-K 02 May 2022
8-K 02 May 2022
8-K 10 Feb 2022
8-K 10 Feb 2022
8-K 10 Jan 2022
8-K 16 Nov 2021
8-K 01 Nov 2021
8-K 03 Aug 2021
8-K 02 Aug 2021
8-K 02 Aug 2021
8-K 10 Jun 2021
8-K 04 Jun 2021
8-K 28 May 2021
8-K 03 May 2021
8-K 13 Apr 2021
8-K 22 Feb 2021