$CIEN SEC Filings

Filing Filed On
PRIMARY DOCUMENT 23 Dec 2011
PRIMARY DOCUMENT 23 Dec 2011
PRIMARY DOCUMENT 23 Dec 2011
10-K 22 Dec 2011
PRIMARY DOCUMENT 19 Dec 2011
PRIMARY DOCUMENT 19 Dec 2011
PRIMARY DOCUMENT 19 Dec 2011
PRIMARY DOCUMENT 19 Dec 2011
PRIMARY DOCUMENT 19 Dec 2011
PRIMARY DOCUMENT 19 Dec 2011
PRIMARY DOCUMENT 19 Dec 2011
PRIMARY DOCUMENT 19 Dec 2011
PRIMARY DOCUMENT 19 Dec 2011
PRIMARY DOCUMENT 19 Dec 2011
SC 13G/A 12 Dec 2011
PRIMARY DOCUMENT 08 Dec 2011
8-K COVER PAGE 08 Dec 2011
PRIMARY DOCUMENT 21 Nov 2011
PRIMARY DOCUMENT 17 Nov 2011
SCHEDULE 13G FORM 14 Nov 2011