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: 96
Latest filed: Aug 18, 2026
| Form | Count |
|---|---|
| 4 | 62 |
| 144 | 25 |
| 8-K | 5 |
| SCHEDULE 13G/A | 2 |
| SCHEDULE 13G | 2 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| 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 |
| Apr 03, 2026 | 4 | Apr 01, 2026 | 0001123292-26-000548 | View |
| Apr 03, 2026 | 4 | Apr 01, 2026 | 0001963781-26-000006 | View |
| Apr 03, 2026 | 4 | Apr 01, 2026 | 0001032553-26-000015 | View |
| Apr 01, 2026 | 144 | — | 0001950047-26-003112 | View |
| Apr 01, 2026 | 144 | — | 0001950047-26-003124 | View |
| Mar 31, 2026 | 4 | Mar 27, 2026 | 0001963638-26-000005 | View |
| Mar 31, 2026 | 8-K | Mar 26, 2026 | 0001628280-26-022342 | View |
| Mar 30, 2026 | 4 | Mar 26, 2026 | 0001135082-26-000004 | View |
| Mar 30, 2026 | 4 | Mar 26, 2026 | 0001403694-26-000002 | View |
| Mar 30, 2026 | 4 | Mar 26, 2026 | 0001135082-26-000005 | View |
| Mar 30, 2026 | 4 | Mar 26, 2026 | 0001221168-26-000004 | View |
| Mar 30, 2026 | 4 | Mar 26, 2026 | 0001558880-26-000002 | View |
| Mar 30, 2026 | 4 | Mar 26, 2026 | 0001251445-26-000002 | View |
| Mar 30, 2026 | 4 | Mar 26, 2026 | 0001742169-26-000004 | View |
| Mar 30, 2026 | 4 | Mar 26, 2026 | 0001158015-26-000004 | View |
| Mar 30, 2026 | 4 | Mar 26, 2026 | 0001123292-26-000518 | View |
| Mar 27, 2026 | 144 | — | 0001950047-26-003043 | View |
| Mar 26, 2026 | SCHEDULE 13G/A | — | 0000102909-26-000972 | View |
| Mar 25, 2026 | 4 | Mar 24, 2026 | 0001998826-26-000004 | View |
| Mar 24, 2026 | 4 | Mar 20, 2026 | 0001123292-26-000496 | View |
| Mar 24, 2026 | 4 | Mar 20, 2026 | 0001123292-26-000497 | View |
| Mar 24, 2026 | 4 | Mar 20, 2026 | 0001123292-26-000498 | View |
| Mar 24, 2026 | 4 | Mar 20, 2026 | 0001123292-26-000499 | View |
| Mar 24, 2026 | 4 | Mar 20, 2026 | 0001123292-26-000500 | View |
| Mar 24, 2026 | 4 | Mar 20, 2026 | 0001123292-26-000501 | View |
| Mar 24, 2026 | 4 | Mar 20, 2026 | 0001123292-26-000502 | View |
| Mar 24, 2026 | 4 | Mar 20, 2026 | 0001123292-26-000503 | View |
| Mar 24, 2026 | 144 | — | 0001950047-26-002937 | View |
| Mar 18, 2026 | 4 | Mar 16, 2026 | 0001032553-26-000013 | View |
| Mar 18, 2026 | 4 | Mar 16, 2026 | 0001444157-26-000010 | View |
| Mar 16, 2026 | 144 | — | 0001950047-26-002642 | View |
| Mar 05, 2026 | 8-K | Mar 05, 2026 | 0001628280-26-015006 | View |
| Mar 04, 2026 | 4 | Mar 02, 2026 | 0001032553-26-000010 | View |