EntityWire/Maryland business entity search →/CIENA CORPORATION
Employer with a benefit plan
CIENA CORPORATION
CIENA CORPORATION's Employer Identification Number (EIN) is 23-2725311.
At a glance
- EIN
- 23-2725311 · 232725311
- Legal name
- CIENA CORPORATION
- Address on file
- 7035 RIDGE RD, HANOVER, MD 21076
- Records show
- SEC filer; employer with a benefit plan; state registration
- Latest record
- 2026-09-05
State registration
Texas Comptroller active franchise taxpayers file · records as of 2026-09-05
- Texas registration
- Active · Foreign profit corporation
- Source: Texas Comptroller · as of 2026-09-05
- Texas document number
- 12327253113
- Source: Texas Comptroller · as of 2026-09-05
SEC records
SEC EDGAR company filings · records as of 2026-09-03
- SEC CIK
- 0000936395
- Source: SEC · as of 2026-09-03
- Industry (SIC)
- Telephone & Telegraph Apparatus (3661)
- Source: SEC · as of 2026-09-03
- State of incorporation
- MD
- Source: SEC · as of 2026-09-03
- Ticker
- CIEN
- Source: SEC · as of 2026-09-03
- Latest SEC filing
- 10-Q 2026-09-03
- Source: SEC · as of 2026-09-03
Benefit plans
DOL Form 5500 filings (EFAST2) · records as of 2025-11-03
- Benefit plan 1, 2024 filing
- CIENA CORPORATION 401(K) PLAN
- Source: DOL 5500 · as of 2025-11-03
- Participants (start of year)
- 3,102
- Source: DOL 5500 · as of 2025-11-03
- Plan features
- Profit-sharing; ERISA 404(c) plan; Participant-directed; 401(k) feature; 401(m) matching; Pension plan with defined contribution
- Source: DOL 5500 · as of 2025-11-03
- Plan type
- Single-employer plan
- Source: DOL 5500 · as of 2025-11-03
- Business code (NAICS)
- 334200
- Source: DOL 5500 · as of 2025-11-03
- Benefit plan 501, 2024 filing
- FLEXIBLE BENEFITS PLAN
- Source: DOL 5500 · as of 2025-09-19
- Participants (start of year)
- 1,718
- Source: DOL 5500 · as of 2025-09-19
What this record is
Public filings that carry this EIN (DOL Form 5500 filings (EFAST2), SEC EDGAR company filings and Texas Comptroller active franchise taxpayers file), shown as filed. Nothing is scraped from the IRS, and a public-record match is not IRS TIN validation.
What it is not
Registry status, formation date, and registered agent come from the Maryland State Department of Assessments and Taxation (SDAT), Business Services Division, Business Charter Unit; see the Maryland business entity search.
If something is wrong
A name, address, or classification here is what the source published. To correct the source, file with it; to have this page removed, see corrections and removal.
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- LIQUIDITY SERVICES INCEIN 52-2209244
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- XOMETRY, INC.EIN 32-0415449
- LUTHERAN IMMIGRATION AND REFUGEE SERVICEEIN 13-2574854
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