$CHKR SEC Filings

Filing Filed On
FORM 8-K 08 Feb 2012
FORM 10-Q 22 Dec 2011
FORM 8-K 05 Dec 2011
SCHEDULE 13D 29 Nov 2011
FORM 8-K 21 Nov 2011
4 18 Nov 2011
FORM 8-K 15 Nov 2011
FREE WRITING PROSPECTUS 14 Nov 2011
424B4 FILING 14 Nov 2011
EFFECT 10 Nov 2011
CORRESP 09 Nov 2011
CORRESP 09 Nov 2011
AUTO-GENERATED PAPER DOCUMENT 09 Nov 2011
AMENDMENT NO. 6 TO FORM S-1 09 Nov 2011
FORM 3 08 Nov 2011
FORM 8-A 08 Nov 2011
AMENDMENT NO. 5 TO FORM S-1 02 Nov 2011
CORRESP 31 Oct 2011
AMENDMENT NO. 4 TO FORM S-1 31 Oct 2011
UPLOAD 28 Oct 2011