Rothenstein David M (CIK 1444157) reported 53 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-23). Recent activity: Sell CIEN (679 shares), Sell CIEN (204 shares), Sell CIEN (811 shares), Sell CIEN (436 shares), Sell CIEN (220 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-23 | CIENA CORP (CIEN) | SVP and Chief Strategy Officer | Sell | 679 | $290,761 |
| 2026-06-23 | CIENA CORP (CIEN) | SVP and Chief Strategy Officer | Sell | 204 | $87,357 |
| 2026-06-23 | CIENA CORP (CIEN) | SVP and Chief Strategy Officer | Sell | 811 | $347,286 |
| 2026-06-23 | CIENA CORP (CIEN) | SVP and Chief Strategy Officer | Sell | 436 | $186,704 |
| 2026-06-23 | CIENA CORP (CIEN) | SVP and Chief Strategy Officer | Sell | 220 | $94,208 |
| 2026-06-17 | CIENA CORP (CIEN) | SVP and Chief Strategy Officer | Sell | 2,500 | $1.1M |
| 2026-05-19 | CIENA CORP (CIEN) | SVP and Chief Strategy Officer | Sell | 2,500 | $1.4M |
| 2026-04-17 | CIENA CORP (CIEN) | SVP and Chief Strategy Officer | Sell | 2,500 | $1.2M |
| 2026-03-24 | CIENA CORP (CIEN) | SVP and Chief Strategy Officer | Sell | 220 | $84,456 |
| 2026-03-24 | CIENA CORP (CIEN) | SVP and Chief Strategy Officer | Sell | 174 | $66,797 |
| 2026-03-24 | CIENA CORP (CIEN) | SVP and Chief Strategy Officer | Sell | 811 | $311,335 |
| 2026-03-24 | CIENA CORP (CIEN) | SVP and Chief Strategy Officer | Sell | 436 | $167,376 |
| 2026-03-24 | CIENA CORP (CIEN) | SVP and Chief Strategy Officer | Sell | 472 | $181,196 |
| 2026-03-18 | CIENA CORP (CIEN) | SVP and Chief Strategy Officer | Sell | 2,500 | $862,500 |
| 2026-02-19 | CIENA CORP (CIEN) | SVP and Chief Strategy Officer | Sell | 2,500 | $750,500 |
| 2026-01-13 | CIENA CORP (CIEN) | SVP and Chief Strategy Officer | Sell | 2,500 | $548,200 |
| 2025-12-23 | CIENA CORP (CIEN) | SVP and Chief Strategy Officer | Sell | 679 | $156,401 |
| 2025-12-23 | CIENA CORP (CIEN) | SVP and Chief Strategy Officer | Sell | 204 | $46,989 |
| 2025-12-23 | CIENA CORP (CIEN) | SVP and Chief Strategy Officer | Sell | 811 | $186,806 |
| 2025-12-23 | CIENA CORP (CIEN) | SVP and Chief Strategy Officer | Sell | 436 | $100,428 |
| 2025-12-23 | CIENA CORP (CIEN) | SVP and Chief Strategy Officer | Sell | 439 | $101,119 |
| 2025-12-23 | CIENA CORP (CIEN) | SVP and Chief Strategy Officer | Sell | 8,682 | $2.0M |
| 2025-12-23 | CIENA CORP (CIEN) | SVP and Chief Strategy Officer | Sell | 1,819 | $418,988 |
| 2025-12-23 | CIENA CORP (CIEN) | SVP and Chief Strategy Officer | Sell | 2,091 | $481,641 |
| 2025-12-23 | CIENA CORP (CIEN) | SVP and Chief Strategy Officer | Sell | 1,557 | $358,639 |
Source: SEC Form 4 filings · as of 2026-06-23