FILINGS
| CIEN 0000936395 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | 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 |
| 2021-03-24 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-24 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-10 | 10-Q | 10-Q | View Document |
| 2021-03-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-04 | 8-K | 8-K | View Document |
| 2021-02-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-18 | DEFA14A | DEFA14A | View Document |
| 2021-02-18 | DEF 14A | DEF 14A | View Document |
| 2021-02-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-10 | SC 13G/A | SCHEDULE 13G/A | View Document |
| 2021-02-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-01-29 | SC 13G/A | View Document | |
| 2021-01-26 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-01-25 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-01-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-01-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-01-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-01-13 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-01-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-30 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-18 | 10-K | 10-K | View Document |
| 2020-12-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-18 | 4 | PRIMARY DOCUMENT | View Document |
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