$LUMN SEC Filings

Filing Filed On
PRIMARY DOCUMENT 28 May 2013
PRIMARY DOCUMENT 28 May 2013
PRIMARY DOCUMENT 28 May 2013
PRIMARY DOCUMENT 28 May 2013
PRIMARY DOCUMENT 28 May 2013
PRIMARY DOCUMENT 28 May 2013
PRIMARY DOCUMENT 28 May 2013
PRIMARY DOCUMENT 28 May 2013
PRIMARY DOCUMENT 28 May 2013
FORM 8-K 23 May 2013
FORM 8-K 15 May 2013
LETTER 14 May 2013
10-Q 10 May 2013
8-K 08 May 2013
DEFA14A 10 Apr 2013
DEFA14A 10 Apr 2013
PRIMARY DOCUMENT 10 Apr 2013
DEF 14A 10 Apr 2013
PRIMARY DOCUMENT 09 Apr 2013
PRIMARY DOCUMENT 03 Apr 2013