SEC Form 4 · accession 0001444157-26-000018
CIENA CORP · CIEN
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
David M Rothenstein
Officer — SVP and Chief Strategy Officer
Period of report
Jun 20, 2026
Accepted (ET)
Jun 23, 2026 · 1:51 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000936395
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1,F2 | Jun 20, 2026 | F | 679 | $428.22 | D | 186,902 | D | |
| Common StockF1,F2 | Jun 20, 2026 | F | 204 | $428.22 | D | 186,698 | D | |
| Common StockF3,F2 | Jun 20, 2026 | F | 811 | $428.22 | D | 185,887 | D | |
| Common StockF4,F2 | Jun 20, 2026 | F | 436 | $428.22 | D | 185,451 | D | |
| Common StockF5,F2 | Jun 20, 2026 | F | 220 | $428.22 | D | 185,231 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Represents 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 4 filed on 12/15/2022.
- F2Shares reported include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).
- F3Represents 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.
- F4Represents 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.
- F5Represents 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.