CIENA CORP reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Hanover, MD
SEC filing record 1 source field available
Fiscal year end
31 October
CIENA CORP has filed 3,762 SEC EDGAR filings since 12 Dec 1996

SEC filing history

Showing 76-100 of 114 matching filings.

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25
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4
SC 13G/A File 005-54195

SC 13G/A

Filing date
14 Feb 2013
Reporting date
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SC 13G/A File 005-54195

DISCLOSURE DOCUMENT

Filing date
14 Feb 2013
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SC 13G/A File 005-54195

CIENA CORPORATION

Filing date
14 Feb 2013
Reporting date
Not listed
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SC 13G File 005-54195

SC 13G filing

Filing date
13 Feb 2013
Reporting date
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SC 13G/A File 005-54195

DISCLOSURE DOCUMENT

Filing date
11 Feb 2013
Reporting date
Not listed
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SC 13G File 005-54195

SCHEDULE 13G

Filing date
11 Feb 2013
Reporting date
Not listed
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SC 13G File 005-54195

SC 13G filing

Filing date
04 Feb 2013
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SC 13G/A File 005-54195

SC 13G/A filing

Filing date
11 Jan 2013
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SC 13G/A File 005-54195

SC 13G/A filing

Filing date
10 Sep 2012
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SC 13G File 005-54195

DISCLOSURE DOCUMENT

Filing date
10 Jul 2012
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Not listed
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SC 13G File 005-54195

SC 13G filing

Filing date
14 May 2012
Reporting date
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SC 13G/A File 005-54195

SC 13G/A filing

Filing date
12 Mar 2012
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SC 13G File 005-54195

SC 13G filing

Filing date
15 Feb 2012
Reporting date
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SC 13G/A File 005-54195

SCHEDULE 13G AMENDMENT NO. 3

Filing date
14 Feb 2012
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SC 13G/A File 005-54195

SC 13G/A AMENDMENT NO. 1 FOR ARTIS CAPITAL MANAGEMENT - CIENA CORPORATION

Filing date
14 Feb 2012
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SC 13G/A File 005-54195

CIENA CORPORATION

Filing date
14 Feb 2012
Reporting date
Not listed
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SC 13G/A File 005-54195

SC 13G/A filing

Filing date
14 Feb 2012
Reporting date
Not listed
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SC 13G/A File 005-54195

SC 13G/A filing

Filing date
14 Feb 2012
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Not listed
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SC 13G/A File 005-54195

SC 13G/A filing

Filing date
13 Feb 2012
Reporting date
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SC 13G File 005-54195

SC 13G filing

Filing date
12 Jan 2012
Reporting date
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SC 13G/A File 005-54195

SC 13G/A filing

Filing date
06 Jan 2012
Reporting date
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SC 13G/A File 005-54195

SC 13G/A filing

Filing date
12 Dec 2011
Reporting date
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SC 13G File 005-54195

SCHEDULE 13G FORM

Filing date
14 Nov 2011
Reporting date
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SC 13G/A File 005-54195

CIENA

Filing date
11 Oct 2011
Reporting date
Not listed
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SC 13G File 005-54195

SCHEDULE 13G

Filing date
23 Sep 2011
Reporting date
Not listed
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