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: 99
Latest filed: Apr 03, 2026
| Form | Count |
|---|---|
| 4 | 67 |
| 144 | 24 |
| 8-K | 5 |
| SCHEDULE 13G/A | 2 |
| SCHEDULE 13G | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| 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 |
| Feb 19, 2026 | 4 | Feb 17, 2026 | 0001032553-26-000008 | View |
| Feb 19, 2026 | 4 | Feb 17, 2026 | 0001444157-26-000007 | View |
| Feb 17, 2026 | 144 | — | 0001950047-26-001370 | View |
| Feb 04, 2026 | 4 | Feb 02, 2026 | 0001032553-26-000006 | View |
| Jan 21, 2026 | SCHEDULE 13G | — | 0000019617-26-000041 | View |
| Jan 20, 2026 | 4 | Jan 15, 2026 | 0001699193-26-000002 | View |
| Jan 20, 2026 | 4 | Jan 15, 2026 | 0001032553-26-000004 | View |
| Jan 20, 2026 | 4 | Jan 15, 2026 | 0001963781-26-000004 | View |
| Jan 16, 2026 | 4 | Jan 15, 2026 | 0001998460-26-000002 | View |
| Jan 15, 2026 | 144 | — | 0001950047-26-000434 | View |
| Jan 15, 2026 | 144 | — | 0001950047-26-000437 | View |
| Jan 15, 2026 | 144 | — | 0001950047-26-000439 | View |
| Jan 13, 2026 | 4 | Jan 12, 2026 | 0001963638-26-000002 | View |
| Jan 13, 2026 | 4 | Jan 12, 2026 | 0001221168-26-000002 | View |
| Jan 13, 2026 | 4 | Jan 09, 2026 | 0001444157-26-000005 | View |
| Jan 12, 2026 | 144 | — | 0001950047-26-000323 | View |
| Jan 12, 2026 | 144 | — | 0001950047-26-000347 | View |
| Jan 09, 2026 | 144 | — | 0001950047-26-000302 | View |
| Jan 06, 2026 | 4 | Jan 02, 2026 | 0001963781-26-000002 | View |
| Jan 06, 2026 | 4 | Jan 05, 2026 | 0001032553-26-000002 | View |
| Jan 05, 2026 | 144 | — | 0001958244-26-000016 | View |
| Jan 02, 2026 | 144 | — | 0001950047-26-000005 | View |
| Dec 29, 2025 | 4 | Dec 22, 2025 | 0001032553-25-000060 | View |
| Dec 23, 2025 | 4 | Dec 20, 2025 | 0001963638-25-000017 | View |
| Dec 23, 2025 | 4 | Dec 20, 2025 | 0001998460-25-000021 | View |
| Dec 23, 2025 | 4 | Dec 20, 2025 | 0001998826-25-000035 | View |
| Dec 23, 2025 | 4 | Dec 20, 2025 | 0001963781-25-000019 | View |
| Dec 23, 2025 | 4 | Dec 20, 2025 | 0001699193-25-000023 | View |
| Dec 23, 2025 | 4 | Dec 20, 2025 | 0001444157-25-000033 | View |
| Dec 23, 2025 | 4 | Dec 20, 2025 | 0001032553-25-000058 | View |
| Dec 18, 2025 | 4 | Oct 01, 2025 | 0001699193-25-000019 | View |
| Dec 18, 2025 | 4 | Dec 16, 2025 | 0001963638-25-000015 | View |
| Dec 18, 2025 | 4 | Dec 16, 2025 | 0001699193-25-000021 | View |
| Dec 18, 2025 | 4 | Dec 16, 2025 | 0001444157-25-000031 | View |
| Dec 18, 2025 | 4 | Dec 16, 2025 | 0001032553-25-000056 | View |
| Dec 18, 2025 | 4 | Dec 16, 2025 | 0001998460-25-000019 | View |
| Dec 18, 2025 | 4 | Dec 16, 2025 | 0001998826-25-000033 | View |
| Dec 18, 2025 | 4 | Dec 16, 2025 | 0001963781-25-000017 | View |
| Dec 18, 2025 | 4 | Dec 16, 2025 | 0001123292-25-000763 | View |
| Dec 17, 2025 | 4 | Dec 15, 2025 | 0001251445-25-000006 | View |
| Dec 16, 2025 | 4 | Dec 15, 2025 | 0001444157-25-000029 | View |
| Dec 16, 2025 | 4 | Dec 15, 2025 | 0001998826-25-000031 | View |
| Dec 15, 2025 | 144 | — | 0001950047-25-010270 | View |
| Dec 15, 2025 | 144 | — | 0001950047-25-010285 | View |
| Dec 15, 2025 | 144 | — | 0001950047-25-010298 | View |
| Dec 11, 2025 | 8-K | Dec 11, 2025 | 0001628280-25-056425 | View |
| Dec 05, 2025 | 4 | Dec 03, 2025 | 0001032553-25-000054 | View |
| Dec 04, 2025 | SCHEDULE 13G/A | — | 0002012383-25-002995 | View |
| Dec 04, 2025 | 8-K | Nov 30, 2025 | 0001628280-25-055133 | View |
| Nov 18, 2025 | 4 | Nov 17, 2025 | 0001998460-25-000017 | View |
| Nov 18, 2025 | 4 | Nov 17, 2025 | 0001444157-25-000027 | View |
| Nov 18, 2025 | 4 | Nov 17, 2025 | 0001998826-25-000029 | View |
| Nov 17, 2025 | 144 | — | 0001950047-25-008911 | View |
| Nov 17, 2025 | 144 | — | 0001950047-25-008921 | View |
| Nov 17, 2025 | 144 | — | 0001950047-25-008949 | View |
| Nov 12, 2025 | 4 | Nov 10, 2025 | 0001032553-25-000051 | View |
| Nov 05, 2025 | 4 | Nov 03, 2025 | 0001032553-25-000049 | View |
| Oct 17, 2025 | 4 | Oct 15, 2025 | 0001998460-25-000015 | View |
| Oct 17, 2025 | 4 | Oct 15, 2025 | 0001998826-25-000027 | View |
| Oct 17, 2025 | 4 | Oct 15, 2025 | 0001032553-25-000047 | View |
| Oct 17, 2025 | 4 | Oct 15, 2025 | 0001444157-25-000025 | View |
| Oct 15, 2025 | 144 | — | 0001950047-25-007958 | View |
| Oct 15, 2025 | 144 | — | 0001950047-25-007966 | View |
| Oct 15, 2025 | 144 | — | 0001950047-25-008012 | View |
| Oct 15, 2025 | 144 | — | 0001958244-25-004402 | View |
| Oct 07, 2025 | 8-K | Oct 07, 2025 | 0001628280-25-044494 | View |