FILINGS
| CIEN 0000936395 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | 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 |
| 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 |
| 2021-06-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-11 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-11 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-09 | 10-Q | 10-Q | View Document |
| 2021-06-03 | 8-K | 8-K | View Document |
| 2021-06-01 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-05-28 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-05-28 | SD | SD | View Document |
| 2021-05-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-05-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-05-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-05-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-05-13 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-04-30 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-04-21 | S-8 | S-8 | View Document |
| 2021-04-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-04-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-04-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-04-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-04-12 | SC 13G/A | View Document | |
| 2021-04-06 | 8-K | 8-K | View Document |
| 2021-04-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-04-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-04-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-04-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-04-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-04-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-04-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-04-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-04-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-25 | 4 | PRIMARY DOCUMENT | View Document |
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