$ZD SEC Filings

Filing Filed On
PRIMARY DOCUMENT 24 Apr 2020
DEFINITIVE PROXY STATEMENT 26 Mar 2020
DEFINITIVE PROXY STATEMENT - ADDITIONAL MATERIALS 26 Mar 2020
PRIMARY DOCUMENT 19 Mar 2020
PRIMARY DOCUMENT 19 Mar 2020
PRIMARY DOCUMENT 19 Mar 2020
PRIMARY DOCUMENT 17 Mar 2020
PRIMARY DOCUMENT 17 Mar 2020
PRIMARY DOCUMENT 17 Mar 2020
PRIMARY DOCUMENT 16 Mar 2020
PRIMARY DOCUMENT 16 Mar 2020
PRIMARY DOCUMENT 16 Mar 2020
PRIMARY DOCUMENT 13 Mar 2020
PRIMARY DOCUMENT 13 Mar 2020
PRIMARY DOCUMENT 11 Mar 2020
PRIMARY DOCUMENT 04 Mar 2020
8-K 03 Mar 2020
10-K 02 Mar 2020
8-K 24 Feb 2020
PRIMARY DOCUMENT 20 Feb 2020