Bruce L. Claflin, Director at CIENA CORP (CIEN), sold 2,857 shares at $355.91 ($1.0M) on 2026-09-24, disclosed to the SEC on 2026-09-28.
Open-market sale of $1.0M CIEN by Director. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| Filing → |
| IDXX | SELL | 2024-05-20 | $216K | — | Filing → |
| IDXX | SELL | 2021-02-18 | $7.9M | — | Filing → |
| IDXX | SELL | 2020-08-18 | $5.2M | — | Filing → |