$ZD SEC Filings

Filing Filed On
PRIMARY DOCUMENT 07 May 2019
PRIMARY DOCUMENT 07 May 2019
PRIMARY DOCUMENT 07 May 2019
PRIMARY DOCUMENT 07 May 2019
PRIMARY DOCUMENT 07 May 2019
PRIMARY DOCUMENT 07 May 2019
PRIMARY DOCUMENT 07 May 2019
DEFINITIVE PROXY STATEMENT 22 Mar 2019
DEFINITIVE PROXY STATEMENT - ADDITIONAL MATERIALS 22 Mar 2019
PRIMARY DOCUMENT 13 Mar 2019
FORM 8K DATED MARCH 12, 2019 12 Mar 2019
10-K 01 Mar 2019
PRIMARY DOCUMENT 27 Feb 2019
PRIMARY DOCUMENT 26 Feb 2019
FORM 8K DATED FEBRUARY 26, 2019 26 Feb 2019
PRIMARY DOCUMENT 22 Feb 2019
PRIMARY DOCUMENT 20 Feb 2019
PRIMARY DOCUMENT 19 Feb 2019
PRIMARY DOCUMENT 19 Feb 2019
FORM 8K DATED FEBRUARY 12, 2019 13 Feb 2019