| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Kosaraju Sheela | SVP and General Counsel | C/O CIENA CORPORATION, 7035 RIDGE RD., HANOVER | By: Michelle Rankin For: Sheela Kosaraju | 22 Dec 2025 | 0001963781 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CIEN | Common Stock | Tax liability | $37,776 | -164 | -0.16% | $230.34 | 104,218 | 20 Dec 2025 | Direct | F1, F2 |
| transaction | CIEN | Common Stock | Tax liability | $167,688 | -728 | -0.7% | $230.34 | 103,490 | 20 Dec 2025 | Direct | F2, F3 |
| transaction | CIEN | Common Stock | Tax liability | $133,137 | -578 | -0.56% | $230.34 | 102,912 | 20 Dec 2025 | Direct | F2, F4 |
| transaction | CIEN | Common Stock | Tax liability | $79,467 | -345 | -0.34% | $230.34 | 102,567 | 20 Dec 2025 | Direct | F2, F5 |
| transaction | CIEN | Common Stock | Tax liability | $24,646 | -107 | -0.1% | $230.34 | 102,460 | 20 Dec 2025 | Direct | F2, F6 |
| transaction | CIEN | Common Stock | Tax liability | $331,229 | -1,438 | -1.4% | $230.34 | 101,022 | 20 Dec 2025 | Direct | F2, F7 |
| transaction | CIEN | Common Stock | Tax liability | $380,522 | -1,652 | -1.6% | $230.34 | 99,370 | 20 Dec 2025 | Direct | F2, F7 |
| transaction | CIEN | Common Stock | Tax liability | $255,447 | -1,109 | -1.1% | $230.34 | 98,261 | 20 Dec 2025 | Direct | F2, F8 |
| Id | Content |
|---|---|
| F1 | Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/13/2022. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 3 filed on 2/3/2023. |
| F2 | Shares reported include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs). |
| F3 | Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 2/1/2023. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 2/3/2023. |
| F4 | Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/12/2023. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/14/2023. |
| F5 | Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/17/2024. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/19/2024. |
| F6 | Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/14/2021. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 3 filed on 2/3/2023. |
| F7 | Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a performance stock unit (PSU) award agreement dated 12/17/2024. The earning of the PSU was previously reported on Table I of the reporting person's Form 4 filed on 12/18/2025. |
| F8 | Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a performance stock unit (PSU) award agreement dated 12/12/2023. The earning of the PSU was previously reported on Table I of the reporting person's Form 4 filed on 12/19/2024. |