$ZG SEC Filings

Filing Filed On
4 20 May 2019
4 20 May 2019
4 20 May 2019
4 20 May 2019
4 20 May 2019
4 17 May 2019
Q1 2019 EARNINGS RELEASE 09 May 2019
10-Q 09 May 2019
8-K ITEM 5.02 03 May 2019
8-K 23 Apr 2019
DEFA14A 16 Apr 2019
DEF 14A 16 Apr 2019
4 28 Mar 2019
3 26 Mar 2019
4 22 Mar 2019
SC 13G/A 11 Mar 2019
4 05 Mar 2019
PRIMARY DOCUMENT 05 Mar 2019
4 05 Mar 2019
4 05 Mar 2019