CIEN News
Official issuer or fund updates, exact SEC current reports, and large established publisher coverage, newest first. Every lawfully retained item remains in the corpus; each public page contains at most 100 rows. Headlines open the exact source; summaries are concise descriptions and not investment recommendations. Captured 2026-08-31.
| Date | Type | Publisher | Headline | Summary |
|---|---|---|---|---|
| 2026-06-11 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 1.01,2.03,3.02,8.01,9.01. |
| 2026-06-08 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 8.01,9.01. |
| 2026-06-04 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2026-03-31 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 5.07. |
| 2026-03-05 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2025-12-11 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2025-12-04 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 5.02. |
| 2025-10-07 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 8.01. |
| 2025-09-22 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 8.01,9.01. |
| 2025-09-04 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2025-06-18 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 5.02,7.01,9.01. |
| 2025-06-05 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2025-04-01 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 5.07. |
| 2025-03-11 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2025-01-21 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 1.01,2.03,9.01. |
| 2024-12-12 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,5.02,5.03,7.01,9.01. |
| 2024-10-02 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 8.01,9.01. |
| 2024-09-04 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,5.02,9.01. |
| 2024-06-06 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2024-04-23 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 5.02. |
| 2024-03-26 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 5.01,5.02,9.01. |
| 2024-03-07 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2023-12-07 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2023-10-25 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 1.01,1.02,2.03,9.01. |
| 2023-10-03 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 5.02,7.01,9.01. |
| 2023-08-31 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,5.02,9.01. |
| 2023-06-06 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2023-04-06 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 7.01,9.01. |
| 2023-04-03 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 5.07. |
| 2023-03-06 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2023-02-15 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 1.01,9.01. |
| 2023-01-27 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 5.03,9.01. |
| 2023-01-24 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 5.02. |
| 2023-01-23 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 1.01,2.03,9.01. |
| 2022-12-08 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2022-11-22 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 7.01,8.01,9.01. |
| 2022-09-01 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2022-06-02 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2022-04-20 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 5.07. |
| 2022-03-07 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2022-02-15 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2022-01-18 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 1.01,2.03,9.01. |
| 2022-01-12 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 8.01,9.01. |
| 2022-01-10 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 8.01,9.01. |
| 2021-12-14 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 1.01,7.01,9.01. |
| 2021-12-09 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,8.01,9.01. |
| 2021-11-03 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 8.01. |
| 2021-09-02 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2021-06-03 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2021-04-06 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 5.02,5.07,9.01. |
| 2021-03-04 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2020-12-10 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2020-09-03 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2020-07-01 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 5.02,9.01. |
| 2020-06-04 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2020-04-06 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 5.02,5.07,9.01. |
| 2020-03-05 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2020-01-28 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 1.01,2.03,9.01. |
| 2019-12-12 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2019-10-31 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 1.01,1.02,2.03,9.01. |
| 2019-10-03 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 8.01,9.01. |
| 2019-09-05 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2019-08-29 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 5.02,9.01. |
| 2019-06-06 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2019-04-01 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 5.07. |
| 2019-03-05 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2018-12-13 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,8.01,9.01. |
| 2018-10-18 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 5.02,9.01. |
| 2018-10-01 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 1.01,2.03,8.01,9.01. |
| 2018-09-20 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 8.01,9.01. |
| 2018-09-05 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 8.01,9.01. |
| 2018-08-30 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2018-06-13 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 5.02. |
| 2018-05-31 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,8.01,9.01. |
| 2018-04-12 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 8.01,9.01. |
| 2018-04-05 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 5.07. |
| 2018-03-06 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2018-01-16 | Current report | SEC filing | CIENA CORP filed Form 8-K/A | CIENA CORP filed Form 8-K/A covering items 5.07. |
| 2017-12-07 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,8.01,9.01. |
| 2017-10-30 | Current report | SEC filing | CIENA CORP filed Form 8-K/A | CIENA CORP filed Form 8-K/A covering items 5.02. |
| 2017-08-31 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2017-08-24 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 5.02,9.01. |
| 2017-08-02 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 1.01,8.01,9.01. |
| 2017-06-30 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 8.01,9.01. |
| 2017-06-15 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 8.01. |
| 2017-06-01 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2017-03-29 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 5.02,9.01. |
| 2017-03-27 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 5.07. |
| 2017-03-08 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2017-03-01 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 8.01. |
| 2017-02-01 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 1.01,2.03. |
| 2017-01-27 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 5.03,9.01. |
| 2017-01-24 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 5.02,9.01. |
| 2016-12-08 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2016-11-04 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 5.02. |
| 2016-09-01 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2016-08-05 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 8.01. |
| 2016-06-22 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 8.01. |
| 2016-06-02 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 2.02,9.01. |
| 2016-04-26 | Current report | SEC filing | CIENA CORP filed Form 8-K | CIENA CORP filed Form 8-K covering items 1.01,2.03. |