$CRK SEC Filings

Filing Filed On
SC 13D/A 03 Jan 2017
SC 13D/A 16 Dec 2016
SC 13D/A 05 Dec 2016
SC 13D/A 21 Sep 2016
AMENDMENT 06 Sep 2016
AMENDMENT 25 May 2016
SC 13D/A 10 Aug 2015
AMENDMENT 21 Jul 2015
AMENDMENT 06 Jul 2015
AMENDMENT 30 Jun 2015
REPORT 30 May 2003
REPORT 28 May 2003
AMENDMENT 7 TO SCHEDULE 13D 15 May 2003
SCHEDULE 13D, AMENDMENT NO. 6 22 Apr 2003
AMENDMENT 5 13 Feb 2003
AMENDMENT NO. 4 TO SCHEDULE 13D 15 Feb 2001
AMENDMENT NO. 3 TO SCHEDULE 13D 19 Oct 1998
AMENDMENT TO SCHEDULE 13/D 14 Sep 1998
AMENDMENT TO SCHEDULE 13/D 10 Sep 1998
SCHEDULE 13-D AMENDMENT NO. 2 16 Jul 1996