SC 13G/A | SEC Filings Hub

Filing metadata

Accession number: 0000312348-11-000055
Form type: SC 13G
Filer: CIENA CORP
CIK: CIK 936395
Filed: Dec 12, 2011
Reporting period: —
Description: Passive 5%+ stake

Documents

0000312348-11-000055-index.htm

Complete submission

0000312348-11-000055.txt

directory listing

Filed by