$CRK Market Cap:
Research Board Inbox Deep Research Not Interested Shortlisted

$CRK SEC Filings

Filing Filed On
4/A 28 Aug 2020
4/A 16 Jul 2020
PRIMARY DOCUMENT 19 Feb 2015
PRIMARY DOCUMENT 19 Feb 2015
PRIMARY DOCUMENT 19 Feb 2015
PRIMARY DOCUMENT 19 Feb 2015
PRIMARY DOCUMENT 19 Feb 2015
PRIMARY DOCUMENT 19 Feb 2015
PRIMARY DOCUMENT 19 Feb 2015
PRIMARY DOCUMENT 19 Feb 2015
PRIMARY DOCUMENT 19 Feb 2015
PRIMARY DOCUMENT 27 Dec 2012
PRIMARY DOCUMENT 28 Dec 2009