Rothenstein David M 4

What Happened
David M. Rothenstein, SVP & Chief Strategy Officer of CIENA Corp (CIEN), reported a sale of 2,500 shares on 2026-02-17. The weighted-average sale price was $300.20, for total proceeds of approximately $750,498. This was a sale (S) reported as an open-market/private sale and was executed pursuant to a pre-established Rule 10b5-1 trading plan.

Key Details

• Transaction date: 2026-02-17; Form 4 filed: 2026-02-19 (filed within the standard 2-business-day window).
• Price: weighted average $300.20; reported range of sale prices $288.71 to $306.54 (footnote says SEC can request per-price breakdown).
• Shares sold: 2,500; total value ≈ $750,498.
• Transaction type: Sale (S) under a Rule 10b5-1 plan (10/10/2025) — indicates an automated plan, not an ad-hoc sale.
• Shares reported include unvested RSUs and PSUs (footnote F3). The filing did not specify post-transaction total holdings in the provided excerpt.

Context
Sales executed under 10b5-1 plans are typically pre-arranged and do not necessarily signal a change in insider sentiment. This report documents a routine disposition rather than a purchase or option exercise.