CIEN · Ciena Corp · Documents
$342.01
-2.20 (-0.64%)
At close · Oct 20
Return incl. dividend (before tax)
Market Cap
$48.81B
Shares
141.81M
Volume · Oct 20
1.03M
Avg daily vol (3M)
2.55M
The company's filings as submitted to the SEC's EDGAR system — 10-K, 10-Q, 8-K, proxy statements and more — listed most recent first.
| Type | AI summary | Filing Date | Period | Open |
|---|---|---|---|---|
| 10-Q | — | 2026-09-03 | 2026-08-01 | |
| 8-K | — | 2026-09-03 | — | |
| 8-K | — | 2026-06-11 | 2026-06-08 | |
| 8-K | — | 2026-06-08 | — | |
| 8-K | — | 2026-06-04 | — | |
| 10-Q | — | 2026-06-04 | 2026-05-02 | |
| 8-K | — | 2026-03-31 | 2026-03-26 | |
| Investor Event Transcript | — | 2026-03-26 | 2026-01-31 | |
| 8-K | — | 2026-03-05 | — | |
| 10-Q | — | 2026-03-05 | 2026-01-31 | |
| DEFA14A | — | 2026-02-12 | — | |
| DEF 14A | — | 2026-02-12 | 2026-03-26 | |
| ARS | — | 2026-02-12 | 2025-11-01 | |
| 10-K | — | 2025-12-12 | 2025-11-01 | |
| 8-K | — | 2025-12-11 | — | |
| 8-K | — | 2025-12-04 | 2025-11-30 | |
| 8-K | — | 2025-10-07 | — | |
| 8-K | — | 2025-09-22 | — | |
| 10-Q | — | 2025-09-04 | 2025-08-02 | |
| 8-K | — | 2025-09-04 | — | |
| 8-K | — | 2025-06-18 | — | |
| 10-Q | — | 2025-06-05 | 2025-05-03 | |
| 8-K | — | 2025-06-05 | — | |
| 8-K | — | 2025-04-01 | 2025-03-27 | |
| 10-Q | — | 2025-03-12 | 2025-02-01 | |
| 8-K | — | 2025-03-11 | — | |
| ARS | — | 2025-02-13 | 2024-11-02 | |
| DEFA14A | — | 2025-02-13 | — | |
| DEF 14A | — | 2025-02-13 | 2025-03-27 | |
| 8-K | — | 2025-01-21 | 2025-01-17 | |
| 10-K | — | 2024-12-20 | 2024-11-02 | |
| 8-K | — | 2024-12-12 | — | |
| 8-K | — | 2024-10-02 | — | |
| 8-K | — | 2024-09-04 | — | |
| 10-Q | — | 2024-09-04 | 2024-07-27 | |
| 10-Q | — | 2024-06-06 | 2024-04-27 | |
| 8-K | — | 2024-06-06 | — | |
| 8-K | — | 2024-04-23 | 2024-04-22 | |
| 8-K | — | 2024-03-26 | 2024-03-21 | |
| 8-K | — | 2024-03-07 | — | |
| 10-Q | — | 2024-03-07 | 2024-01-27 | |
| DEFA14A | — | 2024-02-08 | — | |
| DEF 14A | — | 2024-02-08 | 2024-03-21 | |
| ARS | — | 2024-02-08 | 2023-12-31 | |
| PRE 14A | — | 2024-01-29 | 2024-03-21 | |
| 10-K | — | 2023-12-15 | 2023-10-28 | |
| 8-K | — | 2023-12-07 | — | |
| 8-K | — | 2023-10-25 | 2023-10-24 | |
| 8-K | — | 2023-10-03 | 2023-10-02 | |
| 10-Q | — | 2023-09-06 | 2023-07-29 |
Showing 1–50 of 108 filings
Key facts
CIK
936395
CUSIP
171779309
13F (30d)
156 filings
151 filers
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