SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0000950123-10-016668
Filing Date
2010-02-25
Accepted
2010-02-25 07:15:35
Documents
1
Effectiveness Date
2010-02-25

Document Format Files

Seq Description Document Type Size
1 DEFA14A w77402edefa14a.htm DEFA14A 14481
  Complete submission text file 0000950123-10-016668.txt   15855
Mailing Address 1201 WINTERSON ROAD LINTHICUM MD 21090
Business Address 1201 WINTERSON ROAD LINTHICUM MD 21090 4108658500
CIENA CORP (Filer) CIK: 0000936395 (see all company filings)

IRS No.: 232725311 | State of Incorp.: DE | Fiscal Year End: 1031
Type: DEFA14A | Act: 34 | File No.: 000-21969 | Film No.: 10631540
SIC: 3661 Telephone & Telegraph Apparatus