Ciena Corporation CIEN
$442.79
+2.49%
at last close
Recent SEC Filings
| Form | Description | Filed | Document |
|---|---|---|---|
| 4 | PRIMARY DOCUMENT | 2026-08-04 | View → |
| 4 | PRIMARY DOCUMENT | 2026-08-04 | View → |
| 4 | PRIMARY DOCUMENT | 2026-07-17 | View → |
| 4 | PRIMARY DOCUMENT | 2026-07-17 | View → |
| 4 | PRIMARY DOCUMENT | 2026-07-17 | View → |
| 4 | PRIMARY DOCUMENT | 2026-07-17 | View → |
| 4 | PRIMARY DOCUMENT | 2026-07-06 | View → |
| 4 | PRIMARY DOCUMENT | 2026-07-06 | View → |
| 4 | PRIMARY DOCUMENT | 2026-07-06 | View → |
| 4 | PRIMARY DOCUMENT | 2026-07-06 | View → |
| 4 | PRIMARY DOCUMENT | 2026-06-30 | View → |
| 4 | PRIMARY DOCUMENT | 2026-06-26 | View → |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 2026-06-23 | View → |
| 4 | PRIMARY DOCUMENT | 2026-06-23 | View → |
| 4 | PRIMARY DOCUMENT | 2026-06-23 | View → |
| 4 | PRIMARY DOCUMENT | 2026-06-23 | View → |
| 4 | PRIMARY DOCUMENT | 2026-06-23 | View → |
| 4 | PRIMARY DOCUMENT | 2026-06-23 | View → |
| 4 | PRIMARY DOCUMENT | 2026-06-23 | View → |
| 4 | PRIMARY DOCUMENT | 2026-06-23 | View → |
| 4 | PRIMARY DOCUMENT | 2026-06-23 | View → |
| 4 | PRIMARY DOCUMENT | 2026-06-17 | View → |
| 4 | PRIMARY DOCUMENT | 2026-06-17 | View → |
| 4 | PRIMARY DOCUMENT | 2026-06-17 | View → |
| 8-K | 8-K | 2026-06-11 | View → |
| 8-K | 8-K | 2026-06-08 | View → |
| 10-Q | 10-Q | 2026-06-04 | View → |
| 8-K | 8-K | 2026-06-04 | View → |
| 4 | PRIMARY DOCUMENT | 2026-06-02 | View → |
| 4 | PRIMARY DOCUMENT | 2026-05-19 | View → |
| 4 | PRIMARY DOCUMENT | 2026-05-19 | View → |
| 4 | PRIMARY DOCUMENT | 2026-05-19 | View → |
| 4 | PRIMARY DOCUMENT | 2026-05-04 | View → |
| 4 | PRIMARY DOCUMENT | 2026-04-17 | View → |
| 4 | PRIMARY DOCUMENT | 2026-04-17 | View → |
| 4 | PRIMARY DOCUMENT | 2026-04-17 | View → |
| 4 | PRIMARY DOCUMENT | 2026-04-16 | View → |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 2026-04-03 | View → |
| 4 | PRIMARY DOCUMENT | 2026-04-03 | View → |
| 4 | PRIMARY DOCUMENT | 2026-04-03 | View → |
Filings are sourced directly from the SEC's EDGAR system. Annual reports (10-K) and quarterly reports (10-Q) carry the full financial statements; 8-K filings disclose material events between reports; Form 4 filings record insider purchases and sales.
Key Stats
- Last Close
- $442.79
- Market Cap
- $61.16 billion
- 52-Week Range
- $76.89 – $637.51
- Average Volume
- 2.03 million shs
Data is delayed and provided for informational purposes only. Not investment advice. See our disclaimer.