FilingIndex
8-KThe WireRoutine

Company Update

Filed Nov 3, 2021 · 4y ago · Accession 0000936395-21-000046

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
Nov 3, 2021
Report date
Oct 31, 2021
Document
cien-20211031.htm
Size
165 KB