$DDS 5 SEC Filings

Filed On	Filing
14 Feb 2022	ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
20 Mar 2018	PRIMARY DOCUMENT
20 Mar 2018	PRIMARY DOCUMENT
20 Mar 2018	PRIMARY DOCUMENT
20 Mar 2018	PRIMARY DOCUMENT
20 Mar 2018	PRIMARY DOCUMENT
20 Mar 2018	PRIMARY DOCUMENT
20 Mar 2018	PRIMARY DOCUMENT
20 Mar 2018	PRIMARY DOCUMENT
20 Mar 2018	PRIMARY DOCUMENT
20 Mar 2018	PRIMARY DOCUMENT
20 Mar 2018	PRIMARY DOCUMENT
20 Mar 2018	PRIMARY DOCUMENT
20 Mar 2018	PRIMARY DOCUMENT
20 Mar 2018	PRIMARY DOCUMENT
20 Mar 2018	PRIMARY DOCUMENT
20 Mar 2018	PRIMARY DOCUMENT
20 Mar 2018	PRIMARY DOCUMENT
14 Mar 2017	PRIMARY DOCUMENT
14 Mar 2017	PRIMARY DOCUMENT