Employer with a benefit plan ยท SEC filer
CIENA CORPORATION
7035 RIDGE RD, HANOVER, MD 21076
EIN
23-2725311
SEC CIK
0000936395
SEC · 2026-09-03
Industry (SIC)
Telephone & Telegraph Apparatus (3661)
SEC · 2026-09-03
State of incorporation
MD
SEC · 2026-09-03
Ticker
CIEN
SEC · 2026-09-03
Latest SEC filing
10-Q 2026-09-03
SEC · 2026-09-03
Benefit plan 1, 2024 filing
CIENA CORPORATION 401(K) PLAN
DOL · 2025-11-03
Participants (start of year)
3,102
DOL · 2025-11-03
Plan features
code 2E2F2G2J2K2S2T3D
DOL · 2025-11-03
Plan type
Single-employer plan
DOL · 2025-11-03
Business code (NAICS)
334200
DOL · 2025-11-03
Benefit plan 501, 2024 filing
FLEXIBLE BENEFITS PLAN
DOL · 2025-09-19
Participants (start of year)
1,718
DOL · 2025-09-19
Plan features
code 4A4B4D4E4G4H4L4Q
DOL · 2025-09-19
Plan type
Single-employer plan
DOL · 2025-09-19