$CRK SEC Filings

Filing Filed On
S-3/A 22 May 2020
AMENDMENT TO FORM S-3 19 May 2004
REGISTER SHARES 22 Apr 2004
SHELF REGISTRATION 08 Jan 2004
AMENDMENT NO.2 TO FORM S-3 22 Nov 1996
AMENDMENT NO. 1 TO FORM S-3 30 Oct 1996
S-3/A 02 Oct 1995