$CRK SEC Filings

Filing Filed On
PRIMARY DOCUMENT 07 Feb 2017
PRIMARY DOCUMENT 07 Feb 2017
PRIMARY DOCUMENT 04 Jan 2016
PRIMARY DOCUMENT 04 Jan 2016
PRIMARY DOCUMENT 02 Jan 2015
PRIMARY DOCUMENT 02 Jan 2015
PRIMARY DOCUMENT 02 Jan 2015
PRIMARY DOCUMENT 02 Jan 2015
PRIMARY DOCUMENT 02 Jan 2014
PRIMARY DOCUMENT 02 Jan 2014
PRIMARY DOCUMENT 02 Jan 2014
PRIMARY DOCUMENT 14 Feb 2013
PRIMARY DOCUMENT 14 Feb 2013
PRIMARY DOCUMENT 14 Feb 2013
PRIMARY DOCUMENT 14 Feb 2013