Official SEC submissions

Ciena SEC Filings

Ciena (CIEN) SEC filings, periodic reports and insider submissions.

Direct answer

Ciena's latest SEC filing is 4.

It was filed on August 18, 2026, and 40 recent filings are available.
Each row links directly to the SEC document and filing index.
Official SEC EDGAR submissions

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Recent SEC filings

4

Insider transaction

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4

Insider transaction

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4

Insider transaction

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4

Insider transaction

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144

Planned securities sale

Filed:

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144

Planned securities sale

Filed:

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144

Planned securities sale

Filed:

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4

Insider transaction

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4

Insider transaction

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4

Insider transaction

Filed:

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4

Insider transaction

Filed:

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PRIMARY DOCUMENT

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4

Insider transaction

Filed:

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4

Insider transaction

Filed:

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PRIMARY DOCUMENT

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144

Planned securities sale

Filed:

Open SEC documentView filing index

144

Planned securities sale

Filed:

Open SEC documentView filing index

144

Planned securities sale

Filed:

Open SEC documentView filing index

144

Planned securities sale

Filed:

Open SEC documentView filing index

4

Insider transaction

Filed:

Report date:

PRIMARY DOCUMENT

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4

Insider transaction

Filed:

Report date:

PRIMARY DOCUMENT

Open SEC documentView filing index

4

Insider transaction

Filed:

Report date:

PRIMARY DOCUMENT

Open SEC documentView filing index

4

Insider transaction

Filed:

Report date:

PRIMARY DOCUMENT

Open SEC documentView filing index

144

Planned securities sale

Filed:

Open SEC documentView filing index

144

Planned securities sale

Filed:

Open SEC documentView filing index

144

Planned securities sale

Filed:

Open SEC documentView filing index

4

Insider transaction

Filed:

Report date:

PRIMARY DOCUMENT

Open SEC documentView filing index

4

Insider transaction

Filed:

Report date:

PRIMARY DOCUMENT

Open SEC documentView filing index

144

Planned securities sale

Filed:

Open SEC documentView filing index

144

Planned securities sale

Filed:

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4

Insider transaction

Filed:

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STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

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4

Insider transaction

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4

Insider transaction

Filed:

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PRIMARY DOCUMENT

Open SEC documentView filing index

4

Insider transaction

Filed:

Report date:

PRIMARY DOCUMENT

Open SEC documentView filing index

4

Insider transaction

Filed:

Report date:

PRIMARY DOCUMENT

Open SEC documentView filing index

4

Insider transaction

Filed:

Report date:

PRIMARY DOCUMENT

Open SEC documentView filing index

4

Insider transaction

Filed:

Report date:

PRIMARY DOCUMENT

Open SEC documentView filing index

4

Insider transaction

Filed:

Report date:

PRIMARY DOCUMENT

Open SEC documentView filing index

4

Insider transaction

Filed:

Report date:

PRIMARY DOCUMENT

Open SEC documentView filing index

4

Insider transaction

Filed:

Report date:

PRIMARY DOCUMENT

Open SEC documentView filing index

4

Insider transaction

Filed:

Report date:

PRIMARY DOCUMENT

Open SEC documentView filing index

4

Insider transaction

Filed:

Report date:

PRIMARY DOCUMENT

Open SEC documentView filing index

Verified data

Recent filing categories
2
Recent filings
40
SEC CIK
0000936395
Latest filing date
August 18, 2026

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