SEC Form 4 · accession 0001998460-26-000011
CIENA CORP · CIEN
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Dino DiPerna
Officer — EVP & Chief R&D Officer
Period of report
Sep 15, 2026
Accepted (ET)
Sep 17, 2026 · 4:17 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
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 | Sep 15, 2026 | S | 249 | $324.86 | D | 39,375 | D | |
| Common StockF1,F2 | Sep 16, 2026 | S | 249 | $350.00 | D | 39,126 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Sales were affected pursuant to Rule 10b5-1 trading plan dated 6/10/2026.
- F2Shares reported include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).