CIENA CORP of HANOVER, MD filed a DEF 14A with the SEC on 2001-02-01. Industry: Telephone & Telegraph Apparatus.
| Seq | Type | Description |
|---|---|---|
| 1 | DEF 14A | DEFINITIVE PROXY STATEMENT |
Showing 12 of 60 filings.
| Filed | Form |
|---|---|
| 2026-02-12 | DEFA14A |
| 2026-02-12 | DEF 14A |
| 2025-02-13 | DEFA14A |
| 2025-02-13 | DEF 14A |
| 2024-02-08 | DEFA14A |
| 2024-02-08 | DEF 14A |
| 2024-01-29 | PRE 14A |
| 2023-03-03 | DEFA14A |
| 2023-02-16 | DEF 14A |
| 2023-02-16 | DEFA14A |
| 2022-02-15 | DEF 14A |
| 2022-02-15 | DEFA14A |