FORM 10-K DATED OCTOBER 31, 1997

Company

CIENA CORP

Filed

December 10, 1997

Period of Report

October 31, 1997

Accession Number

0000950133-97-004148

A 10-K is a company's comprehensive annual report, required by the SEC. It includes audited financial statements, a description of the business, risk factors, and management's discussion of results. Learn more about 10-K filings →