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 51-75 of 1,000 matching filings.

Per page
25
Current page
3
4

PRIMARY DOCUMENT

Filing date
17 Apr 2026
Reporting date
15 Apr 2026
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4

PRIMARY DOCUMENT

Filing date
17 Apr 2026
Reporting date
15 Apr 2026
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4

PRIMARY DOCUMENT

Filing date
16 Apr 2026
Reporting date
15 Apr 2026
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144 File 001-36250

144 filing

Filing date
15 Apr 2026
Reporting date
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144 File 001-36250

144 filing

Filing date
15 Apr 2026
Reporting date
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144 File 001-36250

144 filing

Filing date
15 Apr 2026
Reporting date
Not listed
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144 File 001-36250

144 filing

Filing date
15 Apr 2026
Reporting date
Not listed
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4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date
03 Apr 2026
Reporting date
01 Apr 2026
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4

PRIMARY DOCUMENT

Filing date
03 Apr 2026
Reporting date
01 Apr 2026
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4

PRIMARY DOCUMENT

Filing date
03 Apr 2026
Reporting date
01 Apr 2026
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144 File 001-36250

144 filing

Filing date
01 Apr 2026
Reporting date
Not listed
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144 File 001-36250

144 filing

Filing date
01 Apr 2026
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
31 Mar 2026
Reporting date
27 Mar 2026
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4

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filing date
30 Mar 2026
Reporting date
26 Mar 2026
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4

PRIMARY DOCUMENT

Filing date
30 Mar 2026
Reporting date
26 Mar 2026
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4

PRIMARY DOCUMENT

Filing date
30 Mar 2026
Reporting date
26 Mar 2026
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4

PRIMARY DOCUMENT

Filing date
30 Mar 2026
Reporting date
26 Mar 2026
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4

PRIMARY DOCUMENT

Filing date
30 Mar 2026
Reporting date
26 Mar 2026
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4

PRIMARY DOCUMENT

Filing date
30 Mar 2026
Reporting date
26 Mar 2026
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4

PRIMARY DOCUMENT

Filing date
30 Mar 2026
Reporting date
26 Mar 2026
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4

PRIMARY DOCUMENT

Filing date
30 Mar 2026
Reporting date
26 Mar 2026
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144 File 001-36250

144 filing

Filing date
27 Mar 2026
Reporting date
Not listed
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SCHEDULE 13G/A File 005-54195

SCHEDULE 13G/A filing

Filing date
26 Mar 2026
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
25 Mar 2026
Reporting date
24 Mar 2026
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