$ SEC Filings

Filing Filed On
FORM 10-Q 04 Aug 2011
FORM 8-K 03 Aug 2011
FORM 8-K 29 Jul 2011
PURCHASE OF NS COMMON UNITS 22 Jun 2011
PURCHASE OF NS COMMON UNITS 07 Jun 2011
PURCHASE OF NS COMMON UNITS 06 Jun 2011
PURCHASE OF NS COMMON UNITS 27 May 2011
FORM 8-K 25 May 2011
FORM 8-K 24 May 2011
424B5 24 May 2011
PURCHASE OF NS COMMON UNITS 12 May 2011
FORM 8-K 10 May 2011
10-Q 05 May 2011
TRADE FOR TAXES RELATING TO VESTING 03 May 2011
TRADE FOR TAXES RELATING TO VESTING 03 May 2011
TRADE FOR TAXES RELATING TO VESTING 03 May 2011
EFFECT 29 Apr 2011
FORM 8-K 27 Apr 2011
DELAYING AMENDMENT 19 Apr 2011
CT ORDER 14 Apr 2011