Form 4: Ciena Executive Sells Shares
Insider Transaction (Form 4)
Dino Diperna, EVP & Chief R&D Officer of Ciena Corp, sold 498 shares of common stock on September 15, 2026.
Summary
- Open-market sale: disposed of 249 Common Stock at $324.86 ($80,890) on September 15, 2026; holds 39,375 after (Direct).
- Open-market sale: disposed of 249 Common Stock at $350.00 ($87,150) on September 16, 2026; holds 39,126 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $168,040 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Dino Diperna — Officer (EVP & Chief R&D Officer)
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-15 | Open-market sale | Common Stock | 249 | $325 | $80.9K | 39,375 |
| 2026-09-16 | Open-market sale | Common Stock | 249 | $350 | $87.2K | 39,126 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-15 | Open-market sale (249 shares) |
| 2026-09-16 | Open-market sale (249 shares) |
Keywords
insider transaction, Form 4, CIEN, CIENA CORP, bearish, Dino Diperna
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