| Filed | Form | Description | |
|---|---|---|---|
| 2/12/26 | DEFA14A | DEFA14A | → |
| 2/12/26 | DEF 14A | DEF 14A | → |
| 2/13/25 | DEFA14A | DEFA14A | → |
| 2/13/25 | DEF 14A | DEF 14A | → |
| 2/8/24 | DEFA14A | DEFA14A | → |
| 2/8/24 | DEF 14A | DEF 14A | → |
| ↓ | |||
| Filed | Form | Description | |
|---|---|---|---|
| 3/4/26 | 4 | PRIMARY DOCUMENT | → |
| 2/19/26 | 4 | PRIMARY DOCUMENT | → |
| 2/19/26 | 4 | PRIMARY DOCUMENT | → |
| 2/4/26 | 4 | PRIMARY DOCUMENT | → |
| 1/20/26 | 4 | PRIMARY DOCUMENT | → |
| 1/20/26 | 4 | PRIMARY DOCUMENT | → |
| ↓ | |||
Ciena Corporation is an American optical networking systems and software company based in Hanover, Maryland. The company has been described as a vital player in optical connectivity.