FILINGS
| CIEN 0000936395 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2020-04-23 | CORRESP | View Document | |
| 2020-04-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-04-16 | UPLOAD | View Document | |
| 2020-04-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-04-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-04-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-04-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-04-14 | 3 | FORM 3 SUBMISSION | View Document |
| 2020-04-14 | S-8 | S-8 | View Document |
| 2020-04-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-04-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-04-06 | 8-K | 8-K | View Document |
| 2020-04-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-04-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-04-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-04-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-04-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-04-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-04-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-04-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-03-31 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-03-31 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-03-30 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-03-27 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-03-27 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-03-27 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-03-24 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-03-24 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-03-24 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-03-24 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-03-24 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-03-24 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-03-24 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-03-24 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-03-24 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-03-24 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-03-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-03-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-03-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-03-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-03-11 | 10-Q | 10-Q | View Document |
| 2020-03-06 | DEFA14A | DEFA14A | View Document |
| 2020-03-05 | 8-K | 8-K | View Document |
| 2020-02-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-19 | DEFA14A | 8-K | View Document |
| 2020-02-19 | DEF 14A | DEF 14A | View Document |
| 2020-02-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-12 | SC 13G/A | SCHEDULE 13G/A | View Document |
| 2020-02-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-02-04 | SC 13G/A | View Document | |
| 2020-01-31 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-01-28 | 8-K | 8-K | View Document |
| 2020-01-27 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-01-23 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-01-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-01-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-01-15 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-01-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-26 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-26 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-26 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-26 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-26 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-26 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-26 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-26 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-26 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-26 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-26 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-20 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-20 | 10-K | 10-K | View Document |
| 2019-12-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-13 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-12 | 8-K | 8-K | View Document |
| 2019-12-11 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-12-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-11-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-11-26 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-11-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-11-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-11-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-11-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-11-13 | 4 | PRIMARY DOCUMENT | View Document |
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