Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001062993-25-013624
Filing Date
2025-08-05
Accepted
2025-08-05 17:52:18
Documents
2
Period of Report
2025-08-01

Document Format Files

Seq Description Document Type Size
1 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES form3.html 3  
1 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES form3.xml 3 1564
2 POWER OF ATTORNEY exhibit24.htm EX-24 7413
  Complete submission text file 0001062993-25-013624.txt   10404
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 C/O CIENA CORPORATION 7035 RIDGE ROAD HANOVER MD 21076-1426
Business Address
Graff Marc D. (Reporting) CIK: 0002080157 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-36250 | Film No.: 251186437