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Employer with a benefit plan

AMEREN CORPORATION

AMEREN CORPORATION's Employer Identification Number (EIN) is 43-1723446.

At a glance

EIN
43-1723446 · 431723446
Legal name
AMEREN CORPORATION
Address on file
1901 CHOUTEAU AVENUE, ST. LOUIS, MO 63103
Records show
SEC filer; employer with a benefit plan
Latest record
2026-08-24

SEC records

SEC EDGAR company filings · records as of 2026-08-24

SEC CIK
0001002910
Source: SEC · as of 2026-08-24
Industry (SIC)
Electric & Other Services Combined (4931)
Source: SEC · as of 2026-08-24
State of incorporation
MO
Source: SEC · as of 2026-08-24
Ticker
AEE
Source: SEC · as of 2026-08-24
Latest SEC filing
8-K 2026-08-24
Source: SEC · as of 2026-08-24

Benefit plans

DOL Form 5500 filings (EFAST2) · records as of 2025-10-15

Benefit plan 510, 2024 filing
AMEREN EMPLOYEE MEDICAL PLAN
Source: DOL 5500 · as of 2025-10-15
Participants (start of year)
9,100
Source: DOL 5500 · as of 2025-10-15
Plan features
Health (other than dental or vision); Dental; Vision
Source: DOL 5500 · as of 2025-10-15
Plan type
Single-employer plan
Source: DOL 5500 · as of 2025-10-15
Business code (NAICS)
221100
Source: DOL 5500 · as of 2025-10-15
Benefit plan 503, 2024 filing
AMEREN MISCELLANEOUS WELFARE AND FRINGE BENEFIT PLAN
Source: DOL 5500 · as of 2025-10-15
Participants (start of year)
9,533
Source: DOL 5500 · as of 2025-10-15
Plan features
Life insurance; Long-term disability; Severance pay; Death benefits (other than life insurance); Other
Source: DOL 5500 · as of 2025-10-15
Plan type
Single-employer plan
Source: DOL 5500 · as of 2025-10-15

What this record is

Public filings that carry this EIN (DOL Form 5500 filings (EFAST2) and SEC EDGAR company filings), 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 Missouri Secretary of State, Business Services (Corporations Division); see the Missouri 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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