SC 13G/A | SEC Filings Hub

Filing metadata

Accession number: 0000315066-12-002505
Form type: SC 13G
Filer: CIENA CORP
CIK: CIK 936395
Filed: Feb 14, 2012
Reporting period: —
Description: Passive 5%+ stake

Documents

0000315066-12-002505-index.htm

Complete submission

0000315066-12-002505.txt

directory listing

Filed by