4Filing Date: Jan 13, 2026

Ciena

Statement of Changes in Beneficial Ownership

View SEC Filing
ACC: 0001444157-26-000005
Total Value$548.2K
Trades1
Insiders1

Transaction Details

Rothenstein David M
SVP and Chief Strategy Officer·Direct
Sell · Dispose
Common Stock
Shares-2.50K
Price$219.28
Total Value$548.2K
Shares Owned After202.19K
Transaction DateJan 9, 2026
10b5-1
Footnotes ▸

Sales were affected pursuant to Rule 10b5-1 trading plan dated 10/10/2025. | Shares reported include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).

Post-Transaction Holdings

Rothenstein David M · SVP and Chief Strategy Officer
SecuritySharesChange
Common Stock202.19K-2.50K (-1.22%)
Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-01-09 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: CIENA CORP (CIEN) CIK: 0000936395 --- Reporting Owner --- Name: Rothenstein David M CIK: 0001444157 Role: Officer (SVP and Chief Strategy Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-01-09 | Code: S (Open market sale) Shares: -2,500 | Price: $219.28 Total Value: $548,200.00 Shares Owned After: 202,194 | Ownership: D (Direct) Footnotes: [F1] Sales were affected pursuant to Rule 10b5-1 trading plan dated 10/10/2025. [F2] Shares reported include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs). --- Footnotes (Complete Index) --- F1: Sales were affected pursuant to Rule 10b5-1 trading plan dated 10/10/2025. F2: Shares reported include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs). --- Signature --- /s/ By: Michelle Rankin For: David Rothenstein (2026-01-13)

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