| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| SMITH GARY B | President, CEO, Director | C/O CIENA CORPORATION, 7035 RIDGE RD., HANOVER | By: Michelle Rankin For: Gary B Smith | 17 Dec 2025 | 0001032553 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CIEN | Common Stock | Award | $0 | +95,471 | +37% | $0.000000 | 350,341 | 16 Dec 2025 | Direct | F1, F2 |
| transaction | CIEN | Common Stock | Award | $0 | +116,582 | +33% | $0.000000 | 466,923 | 16 Dec 2025 | Direct | F2, F3 |
| transaction | CIEN | Common Stock | Award | $0 | +30,499 | +6.5% | $0.000000 | 497,422 | 16 Dec 2025 | Direct | F2, F4 |
| Id | Content |
|---|---|
| F1 | Reflects the number of stock units earned pursuant to the terms of a performance stock unit (PSU) award granted on December 17, 2024 reflecting the achievement of the related performance conditions. These shares vest in equal 1/2 amounts on each of December 20, 2025 and 2026. |
| F2 | Shares reported include unvested Restricted Stock Units (RSUs), Performance Stock Units (PSUs), and Market Stock Units (MSUs). |
| F3 | Reflects the number of stock units earned pursuant to the terms of a market stock unit (MSU) award granted on December 13, 2022 reflecting the level of achievement of the applicable total shareholder return (TSR) performance conditions. These shares vest on December 20, 2025. |
| F4 | Reflects Restricted Stock Units (RSUs) that vest over four years, with one-sixteenth of the grant amount vesting on March 20, June 20, September 20, and December 20 of each year, commencing on March 20, 2026. |