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 876-900 of 1,000 matching filings.

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25

Current page

36

4

PRIMARY DOCUMENT

Filing date: 22 Jun 2021
Reporting date: 20 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 22 Jun 2021
Reporting date: 20 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 22 Jun 2021
Reporting date: 20 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 22 Jun 2021
Reporting date: 20 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 22 Jun 2021
Reporting date: 20 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 22 Jun 2021
Reporting date: 20 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 22 Jun 2021
Reporting date: 20 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 22 Jun 2021
Reporting date: 20 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 16 Jun 2021
Reporting date: 15 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 16 Jun 2021
Reporting date: 15 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 16 Jun 2021
Reporting date: 15 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 11 Jun 2021
Reporting date: 10 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 11 Jun 2021
Reporting date: 09 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-36250

10-Q

Filing date: 09 Jun 2021
Reporting date: 01 May 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-36250

8-K

Filing date: 03 Jun 2021
Reporting date: 03 Jun 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 01 Jun 2021
Reporting date: 27 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 28 May 2021
Reporting date: 27 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

SD File 001-36250

SD

Filing date: 28 May 2021
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 19 May 2021
Reporting date: 17 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 19 May 2021
Reporting date: 17 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 19 May 2021
Reporting date: 17 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 14 May 2021
Reporting date: 13 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 13 May 2021
Reporting date: 11 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 30 Apr 2021
Reporting date: 28 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

S-8 File 333-255410

S-8

Filing date: 21 Apr 2021
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

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