$CRK SEC Filings

Filing Filed On
PRIMARY DOCUMENT 22 Feb 2016
PRIMARY DOCUMENT 22 Feb 2016
PRIMARY DOCUMENT 22 Feb 2016
PRIMARY DOCUMENT 10 Feb 2016
PRIMARY DOCUMENT 10 Feb 2016
PRIMARY DOCUMENT 10 Feb 2016
PRIMARY DOCUMENT 10 Feb 2016
PRIMARY DOCUMENT 10 Feb 2016
PRIMARY DOCUMENT 10 Feb 2016
PRIMARY DOCUMENT 10 Feb 2016
PRIMARY DOCUMENT 10 Feb 2016
PRIMARY DOCUMENT 10 Feb 2016
PRIMARY DOCUMENT 10 Feb 2016
PRIMARY DOCUMENT 04 Jan 2016
PRIMARY DOCUMENT 04 Jan 2016
PRIMARY DOCUMENT 04 Jan 2016
PRIMARY DOCUMENT 04 Jan 2016
PRIMARY DOCUMENT 04 Jan 2016
PRIMARY DOCUMENT 04 Jan 2016
PRIMARY DOCUMENT 30 Dec 2015