Changes in Beneficial Ownership · 4
Ciena Corporation
CIENNYSEEQUITYCurrent
Changes in Beneficial Ownership
Structured filing — 4
edgardoc.xml
Filing details
- Report period
- 2026-09-20
- Issuer
- CIENA CORP
- Issuer CIK
- 0000936395
- Trading symbol
- CIEN
Reporting owner 1
- Name
- Cumello Joseph
- Reporting owner CIK
- 0001963638
- Relationship
- Officer
- Officer title
- EVP & General Mgr.
- Address
- C/O CIENA CORPORATION, 8150 MAPLE LAWN BOULEVARD, SUITE 300, FULTON, MD, 20759
Non-derivative transactions
| Security | Transaction date | Code | Amount | A / D | Price (USD) | Owned after | Ownership |
|---|---|---|---|---|---|---|---|
| Common Stock | 2026-09-20 | F · Form 4 | 441[F1] | D | 348.8 | 42,431[F2] | D |
| Common Stock | 2026-09-20 | F · Form 4 | 182[F3] | D | 348.8 | 42,249[F2] | D |
| Common Stock | 2026-09-20 | F · Form 4 | 582[F4] | D | 348.8 | 41,667[F2] | D |
| Common Stock | 2026-09-20 | F · Form 4 | 180[F5] | D | 348.8 | 41,487[F2] | D |
| Common Stock | 2026-09-20 | F · Form 4 | 331[F6] | D | 348.8 | 41,156[F2] | D |
Table key
- F · Form 4
- Securities delivered or withheld for exercise price or tax liability under Rule 16b-3
- D
- Direct
Footnotes
- 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.↩ 1
- F2
- Shares reported include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).↩ 1↩ 2↩ 3↩ 4↩ 5
- 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.↩ 1
- 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.↩ 1
- 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 12/16/2025. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/18/2025.↩ 1
- 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 12/17/2024. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/19/2024.↩ 1
Signature 1
- Signed
- By: Michelle Rankin For: Joseph Cumello
- Date
- 2026-09-21
Company context
Ciena is the global leader in high-speed connectivity. We build the world’s most advanced networks to support exponential growth in bandwidth demand. By harnessing the power of our networking systems, interconnects, automation software, and services, Ciena revolutionizes data transmission and network management. With unparalleled expertise and innovation, we empower our customers, partners, and communities to thrive in the AI era.