FILINGS
| CIEN 0000936395 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2022-02-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2022-02-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2022-02-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2022-02-15 | DEFA14A | DEFA14A | View Document |
| 2022-02-15 | DEF 14A | DEF 14A | View Document |
| 2022-02-15 | 8-K | 8-K | View Document |
| 2022-02-09 | SC 13G/A | SCHEDULE 13G/A | View Document |
| 2022-02-09 | SC 13G | View Document | |
| 2022-02-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2022-01-27 | SC 13G/A | View Document | |
| 2022-01-26 | SC 13G/A | View Document | |
| 2022-01-20 | 4 | PRIMARY DOCUMENT | View Document |
| 2022-01-20 | 4 | PRIMARY DOCUMENT | View Document |
| 2022-01-20 | 4 | PRIMARY DOCUMENT | View Document |
| 2022-01-19 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-01-19 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-01-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2022-01-18 | 8-K | 8-K | View Document |
| 2022-01-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2022-01-12 | 8-K | 8-K | View Document |
| 2022-01-10 | 8-K | 8-K | View Document |
| 2021-12-27 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-27 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-27 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-17 | 10-K | 10-K | View Document |
| 2021-12-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-12-14 | 8-K | 8-K | View Document |
| 2021-12-09 | 8-K | 8-K | View Document |
| 2021-11-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-11-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-11-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-11-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-11-15 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-11-03 | 8-K | 8-K | View Document |
| 2021-10-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-10-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-10-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-10-15 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-10-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-10-01 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-09-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-09-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-09-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-09-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-09-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-09-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-09-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-09-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-09-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-09-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-09-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-09-20 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-09-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-09-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-09-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-09-08 | 10-Q | 10-Q | View Document |
| 2021-09-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-09-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-09-02 | 8-K | 8-K | View Document |
| 2021-08-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-08-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-08-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-08-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-08-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-08-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-07-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-07-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-07-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-07-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-07-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-07-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-25 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-24 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-22 | 4 | PRIMARY DOCUMENT | View Document |
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