$ZD SEC Filings

Filing Filed On
OWNERSHIP DOCUMENT 07 Aug 2012
OWNERSHIP DOCUMENT 03 Aug 2012
FORM 8K DATED AUGUST 1, 2012 02 Aug 2012
FORM 8K DATED JULY 26, 2012 27 Jul 2012
8-K 20 Jul 2012
FORM 8K DATED JULY 16, 2012 16 Jul 2012
OWNERSHIP DOCUMENT 19 Jun 2012
OWNERSHIP DOCUMENT 01 Jun 2012
OWNERSHIP DOCUMENT 24 May 2012
OWNERSHIP DOCUMENT 18 May 2012
FORM 8-K DATED MAY 10, 2012 14 May 2012
OWNERSHIP DOCUMENT 14 May 2012
OWNERSHIP DOCUMENT 14 May 2012
OWNERSHIP DOCUMENT 14 May 2012
OWNERSHIP DOCUMENT 14 May 2012
OWNERSHIP DOCUMENT 14 May 2012
OWNERSHIP DOCUMENT 14 May 2012
OWNERSHIP DOCUMENT 14 May 2012
OWNERSHIP DOCUMENT 14 May 2012
FORM 10-Q 07 May 2012