$CIEN
Market Cap:
$CIEN SEC Filings
| Filing | Filed On |
|---|---|
| SC TO-I/A | 31 Jul 2017 |
| SC TO-I/A | 14 Jul 2017 |
| SC TO-I/A | 21 Sep 2015 |
| AMENDMENT NO.3 TO THE SCHEDULE TO | 14 Jan 2003 |
| AMEND 2 TO SC TO/A | 27 Dec 2002 |
| CIENA CORPORATION SCHEDULE TO/A | 20 Dec 2002 |
| AMENDMENT NO. 3 TO SCHEDULE TO | 22 May 2002 |
| AMENDMENT NO. 2 TO SCHEDULE TO | 02 May 2002 |
| SCHEDULE TO AMENDMENT NO. 1 | 30 Apr 2002 |
| AMENDMENT NO. 1 TO SCHEDULE TO | 19 Apr 2002 |
