$DDS SEC Filings

Filing Filed On
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES 24 May 2022
PRIMARY DOCUMENT 18 May 2021
PRIMARY DOCUMENT 15 Sep 2017
FORM 3 08 Jun 2017
PRIMARY DOCUMENT 30 May 2017
PRIMARY DOCUMENT 30 May 2017
PRIMARY DOCUMENT 30 May 2017
PRIMARY DOCUMENT 24 May 2017
PRIMARY DOCUMENT 01 Jun 2016
PRIMARY DOCUMENT 01 Jun 2016
PRIMARY DOCUMENT 26 Nov 2014
PRIMARY DOCUMENT 26 Nov 2014
PRIMARY DOCUMENT 26 Nov 2014
PRIMARY DOCUMENT 10 Feb 2014
PRIMARY DOCUMENT 27 Nov 2013
PRIMARY DOCUMENT 27 Nov 2013
PRIMARY DOCUMENT 27 Nov 2013
PRIMARY DOCUMENT 27 Nov 2013
PRIMARY DOCUMENT 20 May 2013
PRIMARY DOCUMENT 18 May 2010