SMITH GARY B 4

What Happened
Gary B. Smith, President, CEO and a director of Ciena Corporation, sold 2,952 shares in an open-market transaction on 2026-02-02. The filing reports a weighted average sale price of $265.60, resulting in gross proceeds of about $784,057. The sales were executed pursuant to a Rule 10b5-1 trading plan established on 2025-10-04.

Key Details

• Transaction date: 2026-02-02 (reported on Form 4 filed 2026-02-04).
• Price(s): weighted average $265.60; sales ranged from $248.6950 to $270.6550 (footnote F2).
• Shares sold: 2,952; total proceeds ≈ $784,057.
• Plan: Sales made under a 10b5-1 trading plan dated 10/04/2025 (footnote F1).
• Shares owned after transaction: not specified in the filing; the filing notes reported holdings include unvested RSUs and PSUs (footnote F3).
• Timeliness: Filing appears timely (transaction 2/2/2026; Form 4 filed 2/4/2026).
• Transaction code: S = Sale.

Context
A 10b5-1 plan is a pre-arranged program that allows insiders to sell shares on a set schedule and is commonly used to avoid timing concerns; such sales are typically viewed as routine rather than a direct signal of changed views about the company. Footnote F2 indicates the weighted average reflects multiple trade prices and the SEC can request a per-trade breakdown if needed.