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 3,751 SEC EDGAR filings since 12 Dec 1996

SEC filing history

Showing 76-100 of 1,000 matching filings.

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25
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4
4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date
24 Mar 2026
Reporting date
20 Mar 2026
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4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date
24 Mar 2026
Reporting date
20 Mar 2026
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4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date
24 Mar 2026
Reporting date
20 Mar 2026
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4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date
24 Mar 2026
Reporting date
20 Mar 2026
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4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date
24 Mar 2026
Reporting date
20 Mar 2026
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4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date
24 Mar 2026
Reporting date
20 Mar 2026
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4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date
24 Mar 2026
Reporting date
20 Mar 2026
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4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date
24 Mar 2026
Reporting date
20 Mar 2026
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144 File 001-36250

144 filing

Filing date
24 Mar 2026
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
18 Mar 2026
Reporting date
16 Mar 2026
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4

PRIMARY DOCUMENT

Filing date
18 Mar 2026
Reporting date
16 Mar 2026
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144 File 001-36250

144 filing

Filing date
16 Mar 2026
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
04 Mar 2026
Reporting date
02 Mar 2026
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4

PRIMARY DOCUMENT

Filing date
19 Feb 2026
Reporting date
17 Feb 2026
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4

PRIMARY DOCUMENT

Filing date
19 Feb 2026
Reporting date
17 Feb 2026
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144 File 001-36250

144 filing

Filing date
17 Feb 2026
Reporting date
Not listed
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ARS File 001-36250

ARS

Filing date
12 Feb 2026
Reporting date
01 Nov 2025
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DEFA14A File 001-36250

DEFA14A

Filing date
12 Feb 2026
Reporting date
Not listed
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DEF 14A File 001-36250

DEF 14A

Filing date
12 Feb 2026
Reporting date
26 Mar 2026
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4

PRIMARY DOCUMENT

Filing date
04 Feb 2026
Reporting date
02 Feb 2026
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SCHEDULE 13G File 005-54195

SCHEDULE 13G filing

Filing date
21 Jan 2026
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
20 Jan 2026
Reporting date
15 Jan 2026
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4

PRIMARY DOCUMENT

Filing date
20 Jan 2026
Reporting date
15 Jan 2026
SEC evidence
Open document Open filing
Next action
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