Graff Marc D. (CIK 2080157) reported 8 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-18). Recent activity: Sell CIEN (4,995 shares), Sell CIEN (14,441 shares), Sell CIEN (126 shares), Sell CIEN (126 shares), Sell CIEN (199 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-18 | CIENA CORP (CIEN) | SVP & Chief Financial Officer | Sell | 4,995 | $2.2M |
| 2026-08-04 | CIENA CORP (CIEN) | SVP & Chief Financial Officer | Sell | 14,441 | $5.4M |
| 2026-07-06 | CIENA CORP (CIEN) | SVP & Chief Financial Officer | Sell | 126 | $58,741 |
| 2026-06-26 | CIENA CORP (CIEN) | SVP & Chief Financial Officer | Sell | 126 | $56,619 |
| 2026-06-23 | CIENA CORP (CIEN) | SVP & Chief Financial Officer | Sell | 199 | $85,216 |
| 2026-03-24 | CIENA CORP (CIEN) | SVP & Chief Financial Officer | Sell | 199 | $76,394 |
| 2025-12-18 | CIENA CORP (CIEN) | SVP & Chief Financial Officer | Buy | 9,293 | $0 |
| 2025-08-05 | CIENA CORP (CIEN) | SVP & Chief Financial Officer | Buy | 118,312 | $0 |
Source: SEC Form 4 filings · as of 2026-08-18