$LUMN SEC Filings

Filing Filed On
FORM 8-K 21 Mar 2012
FORM 8-K 19 Mar 2012
PRIMARY DOCUMENT 19 Mar 2012
PRIMARY DOCUMENT 19 Mar 2012
PRIMARY DOCUMENT 19 Mar 2012
PRIMARY DOCUMENT 19 Mar 2012
PRIMARY DOCUMENT 19 Mar 2012
PRIMARY DOCUMENT 19 Mar 2012
PRIMARY DOCUMENT 19 Mar 2012
PRIMARY DOCUMENT 19 Mar 2012
PRIMARY DOCUMENT 19 Mar 2012
PRIMARY DOCUMENT 15 Mar 2012
PRIMARY DOCUMENT 15 Mar 2012
PRIMARY DOCUMENT 15 Mar 2012
PRIMARY DOCUMENT 15 Mar 2012
PRIMARY DOCUMENT 15 Mar 2012
PRIMARY DOCUMENT 15 Mar 2012
PRIMARY DOCUMENT 12 Mar 2012
FORM 8-K 12 Mar 2012
PRIMARY DOCUMENT 08 Mar 2012