CIENA CORP - CIEN
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 94
Latest filed: Oct 06, 2026
| Form | Count |
|---|---|
| 4 | 57 |
| 144 | 29 |
| 8-K | 4 |
| SCHEDULE 13G/A | 2 |
| SCHEDULE 13G | 2 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Oct 06, 2026 | 4 | Oct 01, 2026 | 0002080157-26-000015 | View |
| Oct 06, 2026 | 4 | Oct 01, 2026 | 0001699193-26-000010 | View |
| Oct 06, 2026 | 4 | Oct 01, 2026 | 0001963781-26-000014 | View |
| Oct 01, 2026 | 144 | — | 0001950047-26-009954 | View |
| Oct 01, 2026 | 144 | — | 0001950047-26-009904 | View |
| Oct 01, 2026 | 144 | — | 0001950047-26-009905 | View |
| Sep 29, 2026 | 4 | Sep 25, 2026 | 0001963638-26-000013 | View |
| Sep 28, 2026 | 4 | Sep 24, 2026 | 0001123292-26-001329 | View |
| Sep 25, 2026 | 144 | — | 0001950047-26-009819 | View |
| Sep 25, 2026 | 4 | Sep 23, 2026 | 0001251445-26-000004 | View |
| Sep 23, 2026 | 144 | — | 0001950047-26-009774 | View |
| Sep 22, 2026 | 4 | Sep 20, 2026 | 0001963638-26-000011 | View |
| Sep 22, 2026 | 4 | Sep 20, 2026 | 0002080157-26-000013 | View |
| Sep 22, 2026 | 4 | Sep 20, 2026 | 0001963781-26-000012 | View |
| Sep 22, 2026 | 4 | Sep 20, 2026 | 0001699193-26-000008 | View |
| Sep 22, 2026 | 4 | Sep 20, 2026 | 0001444157-26-000026 | View |
| Sep 22, 2026 | 4 | Sep 20, 2026 | 0001032553-26-000041 | View |
| Sep 22, 2026 | 4 | Sep 20, 2026 | 0001998460-26-000013 | View |
| Sep 22, 2026 | 4 | Sep 20, 2026 | 0001998826-26-000020 | View |
| Sep 22, 2026 | 4 | Sep 20, 2026 | 0002141720-26-000002 | View |
| Sep 17, 2026 | 4 | Sep 15, 2026 | 0001032553-26-000039 | View |
| Sep 17, 2026 | 4 | Sep 15, 2026 | 0001998460-26-000011 | View |
| Sep 17, 2026 | 4 | Sep 15, 2026 | 0001998826-26-000018 | View |
| Sep 17, 2026 | 4 | Sep 15, 2026 | 0001444157-26-000024 | View |
| Sep 16, 2026 | 144 | — | 0001950047-26-009584 | View |
| Sep 15, 2026 | 144 | — | 0001950047-26-009494 | View |
| Sep 15, 2026 | 144 | — | 0001950047-26-009463 | View |
| Sep 15, 2026 | 144 | — | 0001950047-26-009486 | View |
| Sep 03, 2026 | 8-K | Sep 03, 2026 | 0001628280-26-060245 | View |
| Sep 03, 2026 | SCHEDULE 13G/A | — | 0000019617-26-000338 | View |
| Sep 02, 2026 | 4 | Sep 01, 2026 | 0001032553-26-000037 | View |
| Aug 18, 2026 | 4 | Aug 14, 2026 | 0002080157-26-000010 | View |
| Aug 18, 2026 | 4 | Aug 17, 2026 | 0001032553-26-000035 | View |
| Aug 18, 2026 | 4 | Aug 14, 2026 | 0001444157-26-000022 | View |
| Aug 18, 2026 | 4 | Aug 17, 2026 | 0001998826-26-000016 | View |
| Aug 17, 2026 | 144 | — | 0001950047-26-008216 | View |
| Aug 14, 2026 | 144 | — | 0001950047-26-008131 | View |
| Aug 14, 2026 | 144 | — | 0001950047-26-008136 | View |
| Aug 06, 2026 | SCHEDULE 13G/A | — | 0000315066-26-001963 | View |
| Aug 04, 2026 | 4 | Aug 01, 2026 | 0002080157-26-000008 | View |
| Aug 04, 2026 | 4 | Aug 03, 2026 | 0001032553-26-000033 | View |
| Jul 17, 2026 | 4 | Jul 15, 2026 | 0001032553-26-000031 | View |
| Jul 17, 2026 | 4 | Jul 15, 2026 | 0001998460-26-000009 | View |
| Jul 17, 2026 | 4 | Jul 15, 2026 | 0001998826-26-000014 | View |
| Jul 17, 2026 | 4 | Jul 15, 2026 | 0001444157-26-000020 | View |
| Jul 15, 2026 | 144 | — | 0001958244-26-000454 | View |
| Jul 15, 2026 | 144 | — | 0001950047-26-007112 | View |
| Jul 15, 2026 | 144 | — | 0001950047-26-007083 | View |
| Jul 15, 2026 | 144 | — | 0001950047-26-007084 | View |
| Jul 06, 2026 | 4 | Jul 01, 2026 | 0001032553-26-000029 | View |
| Jul 06, 2026 | 4 | Jul 01, 2026 | 0001699193-26-000006 | View |
| Jul 06, 2026 | 4 | Jul 01, 2026 | 0001963781-26-000010 | View |
| Jul 06, 2026 | 4 | Jul 01, 2026 | 0002080157-26-000006 | View |
| Jul 01, 2026 | 144 | — | 0001950047-26-006772 | View |
| Jul 01, 2026 | 144 | — | 0001950047-26-006679 | View |
| Jul 01, 2026 | 144 | — | 0001950047-26-006681 | View |
| Jun 30, 2026 | 4 | Jun 26, 2026 | 0001963638-26-000009 | View |
| Jun 26, 2026 | 4 | Jun 24, 2026 | 0002080157-26-000004 | View |
| Jun 26, 2026 | 144 | — | 0001950047-26-006548 | View |
| Jun 24, 2026 | 144 | — | 0001950047-26-006452 | View |
| Jun 23, 2026 | 4 | Jun 22, 2026 | 0001123292-26-000929 | View |
| Jun 23, 2026 | 4 | Jun 20, 2026 | 0002080157-26-000002 | View |
| Jun 23, 2026 | 4 | Jun 20, 2026 | 0001032553-26-000027 | View |
| Jun 23, 2026 | 4 | Jun 20, 2026 | 0001963638-26-000007 | View |
| Jun 23, 2026 | 4 | Jun 20, 2026 | 0001998460-26-000007 | View |
| Jun 23, 2026 | 4 | Jun 20, 2026 | 0001998826-26-000012 | View |
| Jun 23, 2026 | 4 | Jun 20, 2026 | 0001963781-26-000008 | View |
| Jun 23, 2026 | 4 | Jun 20, 2026 | 0001699193-26-000004 | View |
| Jun 23, 2026 | 4 | Jun 20, 2026 | 0001444157-26-000018 | View |
| Jun 17, 2026 | 4 | Jun 15, 2026 | 0001032553-26-000025 | View |
| Jun 17, 2026 | 4 | Jun 15, 2026 | 0001998826-26-000010 | View |
| Jun 17, 2026 | 4 | Jun 15, 2026 | 0001444157-26-000016 | View |
| Jun 15, 2026 | 144 | — | 0001950047-26-006121 | View |
| Jun 15, 2026 | 144 | — | 0001950047-26-006059 | View |
| Jun 11, 2026 | 8-K | Jun 08, 2026 | 0001193125-26-267607 | View |
| Jun 08, 2026 | 8-K | Jun 08, 2026 | 0001193125-26-260665 | View |
| Jun 04, 2026 | 8-K | Jun 04, 2026 | 0001628280-26-040614 | View |
| Jun 02, 2026 | 4 | Jun 01, 2026 | 0001032553-26-000023 | View |
| May 19, 2026 | 4 | May 15, 2026 | 0001032553-26-000021 | View |
| May 19, 2026 | 4 | May 15, 2026 | 0001444157-26-000014 | View |
| May 19, 2026 | 4 | May 15, 2026 | 0001998826-26-000008 | View |
| May 15, 2026 | 144 | — | 0001950047-26-004572 | View |
| May 15, 2026 | 144 | — | 0001950047-26-004610 | View |
| May 04, 2026 | 4 | May 01, 2026 | 0001032553-26-000019 | View |
| Apr 29, 2026 | SCHEDULE 13G | — | 0002100119-26-000333 | View |
| Apr 29, 2026 | SCHEDULE 13G | — | 0002100121-26-000185 | View |
| Apr 17, 2026 | 4 | Apr 15, 2026 | 0001032553-26-000017 | View |
| Apr 17, 2026 | 4 | Apr 15, 2026 | 0001998826-26-000006 | View |
| Apr 17, 2026 | 4 | Apr 15, 2026 | 0001444157-26-000012 | View |
| Apr 16, 2026 | 4 | Apr 15, 2026 | 0001998460-26-000005 | View |
| Apr 15, 2026 | 144 | — | 0001958244-26-000216 | View |
| Apr 15, 2026 | 144 | — | 0001950047-26-003522 | View |
| Apr 15, 2026 | 144 | — | 0001950047-26-003470 | View |
| Apr 15, 2026 | 144 | — | 0001950047-26-003471 | View |