CIENA CORP reports

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

CIENA CORP has filed 3,751 SEC EDGAR filings since 12 Dec 1996

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SEC filing history

Showing 151-175 of 1,000 matching filings.

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25

Current page

7

4

PRIMARY DOCUMENT

Filing date: 05 Nov 2025
Reporting date: 03 Nov 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 17 Oct 2025
Reporting date: 15 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 17 Oct 2025
Reporting date: 15 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 17 Oct 2025
Reporting date: 15 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 17 Oct 2025
Reporting date: 15 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 001-36250

144 filing

Filing date: 15 Oct 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 001-36250

144 filing

Filing date: 15 Oct 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 001-36250

144 filing

Filing date: 15 Oct 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 001-36250

144 filing

Filing date: 15 Oct 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-36250

8-K

Filing date: 07 Oct 2025
Reporting date: 07 Oct 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 02 Oct 2025
Reporting date: 01 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 02 Oct 2025
Reporting date: 01 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 02 Oct 2025
Reporting date: 30 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 001-36250

144 filing

Filing date: 01 Oct 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 001-36250

144 filing

Filing date: 01 Oct 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 29 Sep 2025
Reporting date: 26 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 001-36250

144 filing

Filing date: 26 Sep 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 26 Sep 2025
Reporting date: 24 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

144 File 001-36250

144 filing

Filing date: 24 Sep 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 23 Sep 2025
Reporting date: 20 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 23 Sep 2025
Reporting date: 20 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 23 Sep 2025
Reporting date: 20 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 23 Sep 2025
Reporting date: 20 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 23 Sep 2025
Reporting date: 20 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 23 Sep 2025
Reporting date: 20 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

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