FilingIndex
8-KThe WireRed Alert

Executive Change

Filed Dec 4, 2025 · 6mo ago · Accession 0001628280-25-055133

Plain English

Material event — a significant development the company must disclose promptly.

Read the source below for the full document.

Read the original on SEC.gov ↗
Filing details
Company
CIENA CORP
Ticker
CIEN
CIK
936395
Form type
8-K
Filing date
Dec 4, 2025
Report date
Nov 30, 2025
Document
cien-20251130.htm
Size
141 KB