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 3,783 SEC EDGAR filings since 12 Dec 1996

SEC filing history

Showing 651-675 of 1,000 matching filings.

Per page
25
Current page
27
4

PRIMARY DOCUMENT

Filing date
17 Feb 2023
Reporting date
15 Feb 2023
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DEFA14A File 001-36250

DEFA14A

Filing date
16 Feb 2023
Reporting date
Not listed
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ARS File 001-36250

ARS

Filing date
16 Feb 2023
Reporting date
31 Dec 2022
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DEF 14A File 001-36250

DEF 14A

Filing date
16 Feb 2023
Reporting date
30 Mar 2023
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SC 13G/A File 005-54195

SCHEDULE 13G/A

Filing date
09 Feb 2023
Reporting date
Not listed
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SC 13G/A File 005-54195

SC 13G/A filing

Filing date
09 Feb 2023
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
07 Feb 2023
Reporting date
06 Feb 2023
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4

PRIMARY DOCUMENT

Filing date
07 Feb 2023
Reporting date
03 Feb 2023
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4

FORM 4 SUBMISSION

Filing date
03 Feb 2023
Reporting date
01 Feb 2023
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4

FORM 4 SUBMISSION

Filing date
03 Feb 2023
Reporting date
01 Feb 2023
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3

FORM 3 SUBMISSION

Filing date
03 Feb 2023
Reporting date
30 Jan 2023
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3

FORM 3 SUBMISSION

Filing date
03 Feb 2023
Reporting date
30 Jan 2023
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4/A

FORM 4/A SUBMISSION

Filing date
31 Jan 2023
Reporting date
31 Mar 2022
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4

FORM 4 SUBMISSION

Filing date
31 Jan 2023
Reporting date
23 Mar 2015
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4

FORM 4 SUBMISSION

Filing date
31 Jan 2023
Reporting date
12 Jan 2022
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4

FORM 4 SUBMISSION

Filing date
31 Jan 2023
Reporting date
20 Jun 2017
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SC 13G/A File 005-54195

SC 13G/A filing

Filing date
26 Jan 2023
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
25 Jan 2023
Reporting date
23 Jan 2023
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8-K File 001-36250

8-K

Filing date
24 Jan 2023
Reporting date
24 Jan 2023
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SC 13G File 005-54195

SC 13G filing

Filing date
20 Jan 2023
Reporting date
Not listed
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4

FORM 4 SUBMISSION

Filing date
19 Jan 2023
Reporting date
15 Mar 2022
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4

PRIMARY DOCUMENT

Filing date
18 Jan 2023
Reporting date
17 Jan 2023
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