$KOS SEC Filings

Filing Filed On
FORM 3 11 May 2011
FORM 3 11 May 2011
FORM 3 11 May 2011
FORM 3 11 May 2011
PRIMARY DOCUMENT 11 May 2011
PRIMARY DOCUMENT 11 May 2011
PRIMARY DOCUMENT 11 May 2011
PRIMARY DOCUMENT 11 May 2011
PRIMARY DOCUMENT 11 May 2011
PRIMARY DOCUMENT 11 May 2011
PRIMARY DOCUMENT 11 May 2011
PRIMARY DOCUMENT 11 May 2011
PRIMARY DOCUMENT 11 May 2011
PRIMARY DOCUMENT 11 May 2011
PRIMARY DOCUMENT 11 May 2011
EFFECT 10 May 2011
REGISTRATION STMT TO ADD SECURITIES TO A PRIOR RELATED EFFECTIVE REGISTRATION ST 10 May 2011
REGISTRATION/LISTING OF SECURITIES ON A NATIONAL SECURITIES EXCHANGE 09 May 2011
CORRESP 06 May 2011
CORRESP 06 May 2011