CIENA CORP reports

Company location: Hanover, MD
Fiscal year end: 31 October

CIENA CORP has filed 3,747 SEC EDGAR filings since 12 Dec 1996

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SEC filing history

Showing 1-25 of 1,000 matching filings.

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1

144 File 001-36250

144 filing

Filing date: 15 Jul 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 001-36250

144 filing

Filing date: 15 Jul 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 001-36250

144 filing

Filing date: 15 Jul 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 001-36250

144 filing

Filing date: 15 Jul 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 06 Jul 2026
Reporting date: 01 Jul 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 06 Jul 2026
Reporting date: 01 Jul 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 06 Jul 2026
Reporting date: 01 Jul 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 06 Jul 2026
Reporting date: 01 Jul 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 001-36250

144 filing

Filing date: 01 Jul 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 001-36250

144 filing

Filing date: 01 Jul 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 001-36250

144 filing

Filing date: 01 Jul 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 30 Jun 2026
Reporting date: 26 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 26 Jun 2026
Reporting date: 24 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 001-36250

144 filing

Filing date: 26 Jun 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 001-36250

144 filing

Filing date: 24 Jun 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 23 Jun 2026
Reporting date: 22 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

3

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filing date: 23 Jun 2026
Reporting date: 22 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 23 Jun 2026
Reporting date: 20 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 23 Jun 2026
Reporting date: 20 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 23 Jun 2026
Reporting date: 20 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 23 Jun 2026
Reporting date: 20 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 23 Jun 2026
Reporting date: 20 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 23 Jun 2026
Reporting date: 20 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 23 Jun 2026
Reporting date: 20 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 23 Jun 2026
Reporting date: 20 Jun 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

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