$DZSI SEC Filings

Filing Filed On
CORRESP 17 Feb 2022
UPLOAD 15 Feb 2022
CORRESP 15 Feb 2022
SC 13G 11 Feb 2022
S-3 10 Feb 2022
8-K 10 Feb 2022
8-K 10 Feb 2022
8-K 10 Jan 2022
FORM 4 SUBMISSION 04 Jan 2022
FORM 4 SUBMISSION 04 Jan 2022
FORM 4 SUBMISSION 04 Jan 2022
FORM 4 SUBMISSION 04 Jan 2022
FORM 4 SUBMISSION 04 Jan 2022
FORM 4 SUBMISSION 04 Jan 2022
8-K/A 17 Nov 2021
8-K 16 Nov 2021
10-Q 03 Nov 2021
8-K 01 Nov 2021
FORM 4/A SUBMISSION 05 Oct 2021
FORM 4 SUBMISSION 05 Oct 2021