$CRK SEC Filings

Filing Filed On
PRIMARY DOCUMENT 23 Dec 2015
PRIMARY DOCUMENT 23 Dec 2015
PRIMARY DOCUMENT 09 Dec 2015
PRIMARY DOCUMENT 02 Sep 2015
PRIMARY DOCUMENT 17 Aug 2015
PRIMARY DOCUMENT 12 Aug 2015
PRIMARY DOCUMENT 12 Aug 2015
PRIMARY DOCUMENT 12 Aug 2015
PRIMARY DOCUMENT 12 Aug 2015
PRIMARY DOCUMENT 12 Aug 2015
4 10 Aug 2015
PRIMARY DOCUMENT 08 May 2015
PRIMARY DOCUMENT 08 May 2015
PRIMARY DOCUMENT 08 May 2015
PRIMARY DOCUMENT 08 May 2015
PRIMARY DOCUMENT 08 May 2015
PRIMARY DOCUMENT 08 May 2015
PRIMARY DOCUMENT 06 Mar 2015
PRIMARY DOCUMENT 06 Mar 2015
PRIMARY DOCUMENT 20 Feb 2015