CIEN SEC Filings
SEC filings for CIEN. Annual and quarterly reports, 8-K events, Form 4 insider filings and 13D/G stake disclosures.
| Form | Filed | Accession |
|---|---|---|
| 10-Q | Sep 3, 2026 | 0001628280-26-060361EDGAR |
| 10-Q | Jun 4, 2026 | 0001628280-26-040767EDGAR |
| 10-Q | Mar 5, 2026 | 0001628280-26-015152EDGAR |
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Source: SEC EDGAR.