Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001403694-25-000012
Filing Date
2025-09-26
Accepted
2025-09-26 11:37:22
Documents
1
Period of Report
2025-09-24

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT edgardoc.html 4  
1 PRIMARY DOCUMENT edgardoc.xml 4 5555
  Complete submission text file 0001403694-25-000012.txt   6909
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: 1101
SIC: 3661 Telephone & Telegraph Apparatus
(CF Office: 04 Manufacturing)

Mailing Address 7035 RIDGE ROAD HANOVER MD 21076
Business Address
Claflin Bruce L. (Reporting) CIK: 0001403694 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-36250 | Film No.: 251347489