Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001444157-26-000012
Filing Date
2026-04-17
Accepted
2026-04-17 15:23:41
Documents
1
Period of Report
2026-04-15

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT edgardoc.html 4  
1 PRIMARY DOCUMENT edgardoc.xml 4 3793
  Complete submission text file 0001444157-26-000012.txt   5149
Mailing Address 7035 RIDGE ROAD HANOVER MD 21076
Business Address 7035 RIDGE ROAD HANOVER MD 21076 4108658500
CIENA CORP (Issuer) CIK: 0000936395 (see all company filings)

EIN.: 232725311 | State of Incorp.: MD | Fiscal Year End: 1031
SIC: 3661 Telephone & Telegraph Apparatus
(CF Office: 04 Manufacturing)

Mailing Address 7035 RIDGE ROAD HANOVER MD 21076
Business Address
Rothenstein David M (Reporting) CIK: 0001444157 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-36250 | Film No.: 26871240