SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form 425 - Prospectuses and communications, business combinations:
SEC Accession No. 0001193125-17-245225
Filing Date
2017-08-02
Accepted
2017-08-02 10:15:02
Documents
2
Filing Date Changed
2017-08-02

Document Format Files

Seq Description Document Type Size
1 8-K d367146d8k.htm 425 18272
2 EX-4.1 d367146dex41.htm EX-4.1 408402
  Complete submission text file 0001193125-17-245225.txt   428116
Mailing Address 7035 RIDGE ROAD HANOVER MD 21076
Business Address 7035 RIDGE ROAD HANOVER MD 21076 4108658500
CIENA CORP (Filed by) CIK: 0000936395 (see all company filings)

IRS No.: 232725311 | State of Incorp.: DE | Fiscal Year End: 1031
Type: 425
SIC: 3661 Telephone & Telegraph Apparatus
Assistant Director 11

Mailing Address 7035 RIDGE ROAD HANOVER MD 21076
Business Address 7035 RIDGE ROAD HANOVER MD 21076 4108658500
CIENA CORP (Subject) CIK: 0000936395 (see all company filings)

IRS No.: 232725311 | State of Incorp.: DE | Fiscal Year End: 1031
Type: 425 | Act: 34 | File No.: 001-36250 | Film No.: 17998693
SIC: 3661 Telephone & Telegraph Apparatus
Assistant Director 11