Ciena Corporation CIEN
$391.19
-0.04%
at last close
Recent SEC Filings
| Form | Description | Filed | Document |
|---|---|---|---|
| 4 | PRIMARY DOCUMENT | 2026-09-29 | View → |
| 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 2026-09-28 | View → |
| 4 | PRIMARY DOCUMENT | 2026-09-25 | View → |
| 4 | PRIMARY DOCUMENT | 2026-09-22 | View → |
| 4 | PRIMARY DOCUMENT | 2026-09-22 | View → |
| 4 | PRIMARY DOCUMENT | 2026-09-22 | View → |
| 4 | PRIMARY DOCUMENT | 2026-09-22 | View → |
| 4 | PRIMARY DOCUMENT | 2026-09-22 | View → |
| 4 | PRIMARY DOCUMENT | 2026-09-22 | View → |
| 4 | PRIMARY DOCUMENT | 2026-09-22 | View → |
| 4 | PRIMARY DOCUMENT | 2026-09-22 | View → |
| 4 | PRIMARY DOCUMENT | 2026-09-22 | View → |
| 4 | PRIMARY DOCUMENT | 2026-09-17 | View → |
| 4 | PRIMARY DOCUMENT | 2026-09-17 | View → |
| 4 | PRIMARY DOCUMENT | 2026-09-17 | View → |
| 4 | PRIMARY DOCUMENT | 2026-09-17 | View → |
| 10-Q | 10-Q | 2026-09-03 | View → |
| 8-K | 8-K | 2026-09-03 | View → |
| 4 | PRIMARY DOCUMENT | 2026-09-02 | View → |
| 4 | PRIMARY DOCUMENT | 2026-08-18 | View → |
| 4 | PRIMARY DOCUMENT | 2026-08-18 | View → |
| 4 | PRIMARY DOCUMENT | 2026-08-18 | View → |
| 4 | PRIMARY DOCUMENT | 2026-08-18 | View → |
| 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 → |
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
- $391.19
- Market Cap
- $55.50 billion
- 52-Week Range
- $90.00 – $637.51
- Average Volume
- 2.51 million shs
Data is delayed and provided for informational purposes only. Not investment advice. See our disclaimer.