$DZSI SEC Filings

Filing Filed On
DEF 14A 17 Apr 2023
DEF 14A 19 Apr 2022
DEF 14A 13 Apr 2021
DEF 14A 16 Apr 2020
DEF 14A 09 Apr 2019
DEF 14A 20 Apr 2018
DEF 14A 28 Sep 2017
DEF 14A 26 Jan 2017
DEF 14A 26 Mar 2015
DEFINITIVE PROXY STATEMENT 28 Mar 2014
DEFINITIVE PROXY STATEMENT 22 Mar 2013
DEFINITIVE PROXY STATEMENT 10 Apr 2012
DEFINITIVE PROXY STATEMENT 30 Mar 2011
DEFINITIVE PROXY STATEMENT 01 Apr 2010
DEFINITIVE PROXY STATEMENT 31 Mar 2009
DEFINITIVE PROXY STATEMENT 11 Sep 2008
DEFINITIVE PROXY STATEMENT 04 Apr 2008
DEFINITIVE PROXY STATEMENT 05 Apr 2007
DEFINITIVE PROXY STATEMENT 07 Apr 2006
DEFINITIVE PROXY STATEMENT 01 Apr 2005