CIENA CORP — All Filings
1,001 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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10-K
10-K/A
10-Q
10-Q/A
144
25
3
3/A
4
4/A
424B3
424B4
424B5
425
8-A12B
8-A12G
8-K
8-K/A
ARS
CERTNYS
CORRESP
CT ORDER
DEF 14A
DEFA14A
EFFECT
FWP
POS AM
POSASR
PRE 14A
PRER14A
REGDEX
REGDEX/A
S-1
S-1/A
S-3
S-3/A
S-3ASR
S-3MEF
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-C
SC TO-I
SC TO-I/A
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 144 | — | 0001950047-26-003043 | Mar 27, 2026 | — |
| SCHEDULE 13G/A | — | 0000102909-26-000972 | Mar 26, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001998826-26-000004 | Mar 25, 2026 | Mar 24, 2026 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001123292-26-000503 | Mar 24, 2026 | Mar 20, 2026 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001123292-26-000502 | Mar 24, 2026 | Mar 20, 2026 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001123292-26-000501 | Mar 24, 2026 | Mar 20, 2026 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001123292-26-000500 | Mar 24, 2026 | Mar 20, 2026 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001123292-26-000499 | Mar 24, 2026 | Mar 20, 2026 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001123292-26-000498 | Mar 24, 2026 | Mar 20, 2026 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001123292-26-000497 | Mar 24, 2026 | Mar 20, 2026 |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 0001123292-26-000496 | Mar 24, 2026 | Mar 20, 2026 |
| 144 | — | 0001950047-26-002937 | Mar 24, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001032553-26-000013 | Mar 18, 2026 | Mar 16, 2026 |
| 4 | PRIMARY DOCUMENT | 0001444157-26-000010 | Mar 18, 2026 | Mar 16, 2026 |
| 144 | — | 0001950047-26-002642 | Mar 16, 2026 | — |
| 10-Q | 10-Q | 0001628280-26-015152 | Mar 5, 2026 | Jan 31, 2026 |
| 8-K | 8-K | 0001628280-26-015006 | Mar 5, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001032553-26-000010 | Mar 4, 2026 | Mar 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001444157-26-000007 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | PRIMARY DOCUMENT | 0001032553-26-000008 | Feb 19, 2026 | Feb 17, 2026 |
| 144 | — | 0001950047-26-001370 | Feb 17, 2026 | — |
| ARS | ARS | 0001193125-26-048006 | Feb 12, 2026 | Nov 1, 2025 |
| DEFA14A | DEFA14A | 0001193125-26-047999 | Feb 12, 2026 | — |
| DEF 14A | DEF 14A | 0001193125-26-047977 | Feb 12, 2026 | Mar 26, 2026 |
| 4 | PRIMARY DOCUMENT | 0001032553-26-000006 | Feb 4, 2026 | Feb 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001963781-26-000004 | Jan 20, 2026 | Jan 15, 2026 |
| 4 | PRIMARY DOCUMENT | 0001032553-26-000004 | Jan 20, 2026 | Jan 15, 2026 |
| 4 | PRIMARY DOCUMENT | 0001699193-26-000002 | Jan 20, 2026 | Jan 15, 2026 |
| 4 | PRIMARY DOCUMENT | 0001998460-26-000002 | Jan 16, 2026 | Jan 15, 2026 |
| 144 | — | 0001950047-26-000439 | Jan 15, 2026 | — |
| 144 | — | 0001950047-26-000437 | Jan 15, 2026 | — |
| 144 | — | 0001950047-26-000434 | Jan 15, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001444157-26-000005 | Jan 13, 2026 | Jan 9, 2026 |
| 4 | PRIMARY DOCUMENT | 0001221168-26-000002 | Jan 13, 2026 | Jan 12, 2026 |
| 4 | PRIMARY DOCUMENT | 0001963638-26-000002 | Jan 13, 2026 | Jan 12, 2026 |
| 144 | — | 0001950047-26-000347 | Jan 12, 2026 | — |
| 144 | — | 0001950047-26-000323 | Jan 12, 2026 | — |
| 144 | — | 0001950047-26-000302 | Jan 9, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001032553-26-000002 | Jan 6, 2026 | Jan 5, 2026 |
| 4 | PRIMARY DOCUMENT | 0001963781-26-000002 | Jan 6, 2026 | Jan 2, 2026 |
| 144 | — | 0001958244-26-000016 | Jan 5, 2026 | — |
| 144 | — | 0001950047-26-000005 | Jan 2, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001032553-25-000060 | Dec 29, 2025 | Dec 22, 2025 |
| 4 | PRIMARY DOCUMENT | 0001032553-25-000058 | Dec 23, 2025 | Dec 20, 2025 |
| 4 | PRIMARY DOCUMENT | 0001444157-25-000033 | Dec 23, 2025 | Dec 20, 2025 |
| 4 | PRIMARY DOCUMENT | 0001699193-25-000023 | Dec 23, 2025 | Dec 20, 2025 |
| 4 | PRIMARY DOCUMENT | 0001963781-25-000019 | Dec 23, 2025 | Dec 20, 2025 |
| 4 | PRIMARY DOCUMENT | 0001998826-25-000035 | Dec 23, 2025 | Dec 20, 2025 |
| 4 | PRIMARY DOCUMENT | 0001998460-25-000021 | Dec 23, 2025 | Dec 20, 2025 |
| 4 | PRIMARY DOCUMENT | 0001963638-25-000017 | Dec 23, 2025 | Dec 20, 2025 |