| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| NEVENS THOMAS MICHAEL | Director | C/O CIENA CORPORATION, 7035 RIDGE RD., HANOVER | By: Michelle Rankin For: T. Michael Nevens | 01 Oct 2025 | 0001251445 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CIEN | Common Stock | Gift | -5,770 | -24.3% | 17,976 | 30 Sep 2025 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | These shares were given as a gift for which no consideration was received by the Reporting Person. |
| F2 | Shares reported include unvested Restricted Stock Units (RSUs). |