
AMEREN CORP — Investor Relations & Filings
Ameren Corporation is a public utility holding company that operates rate-regulated electric and natural gas businesses. The company's core activities include the generation, transmission, and distribution of electricity, as well as the distribution of natural gas. It serves approximately 2.5 million electric and 900,000 natural gas customers across its service territories in Missouri and Illinois. Ameren focuses on modernizing its energy grid to improve reliability and offers a range of services to residential and business customers, including energy-saving programs and online account management tools.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| FORM 8-K | 2026-05-18 | English | |
| S-3ASR | 2026-05-15 | English | |
| 8-K - AMEREN CORP (0001002910) (Filer) | 2026-05-05 | English | |
| ARS - AMEREN CORP (0001002910) (Filer) | 2026-03-31 | English | |
| SCHEDULE 13G/A - AMEREN CORP (0001002910) (Subject) | 2026-03-26 | English | |
| 4 - AMEREN CORP (0001002910) (Filer) | 2026-03-03 | English |
Browse filings by year
17 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
15 filings
| |||||
| 46456196 | FORM 8-K | 2026-05-18 | English | ||
| 46361380 | S-3ASR | 2026-05-15 | English | ||
| 41530293 | 8-K - AMEREN CORP (0001002910) (Filer) | 2026-05-05 | English | ||
| 33122083 | ARS - AMEREN CORP (0001002910) (Filer) | 2026-03-31 | English | ||
| 33051801 | SCHEDULE 13G/A - AMEREN CORP (0001002910) (Subject) | 2026-03-26 | English | ||
| 32885059 | 4 - AMEREN CORP (0001002910) (Filer) | 2026-03-03 | English | ||
| 32885060 | 4 - AMEREN CORP (0001002910) (Filer) | 2026-03-03 | English | ||
| 32885061 | 4 - AMEREN CORP (0001002910) (Filer) | 2026-03-03 | English | ||
| 32885062 | 4 - AMEREN CORP (0001002910) (Filer) | 2026-03-03 | English | ||
| 32885063 | 4 - AMEREN CORP (0001002910) (Filer) | 2026-03-03 | English | ||
| 32885064 | 4 - AMEREN CORP (0001002910) (Filer) | 2026-03-03 | English | ||
| 32885065 | 4 - AMEREN CORP (0001002910) (Filer) | 2026-03-03 | English | ||
| 32885066 | 4 - AMEREN CORP (0001002910) (Filer) | 2026-03-03 | English | ||
| 32885067 | 4 - AMEREN CORP (0001002910) (Filer) | 2026-03-03 | English | ||
| 32885068 | 4 - AMEREN CORP (0001002910) (Filer) | 2026-03-03 | English | ||
Market data
Market data not available
Price history
Peer group · Electric power transmission and distribution activities
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
Cia. de Transporte de Energia Electrica
Operates and maintains high-voltage electricity transmissio…
|
— | AR | Electricity, gas, steam and air… |
|
CIA ENERG CEARA - COELCE
Provides electrical power distribution services across 184 …
|
— | BR | Electricity, gas, steam and air… |
|
CIA ESTADUAL DE DISTRIBUIÇÃO DE ENERGIA ELETRICA
Distributes electricity to 1.9 million units in south-south…
|
— | BR | Electricity, gas, steam and air… |
|
CLP Holdings Limited
Major investor-owned power business in Asia-Pacific generat…
|
2 | HK | Electricity, gas, steam and air… |
|
CMS ENERGY CORP
An energy company providing electricity and natural gas to …
|
CMS | US | Electricity, gas, steam and air… |
|
C.N.T.E.E. Transelectrica
Manages and operates the national electricity transmission …
|
TEL | RO | Electricity, gas, steam and air… |
|
COMPANHIA CELG DE PARTICIPAÇÕES - CELGPAR
Holding company managing electricity generation, transmissi…
|
— | BR | Electricity, gas, steam and air… |
|
COMPANHIA ENERGÉTICA DE BRASÍLIA - CEB
Energy holding company focused on generation, transmission,…
|
— | BR | Electricity, gas, steam and air… |
|
COMPAÑIA ELECTRICA DEL LITORAL S.A.
Distributes and sells electrical energy in the southern coa…
|
— | CL | Electricity, gas, steam and air… |
|
COMPAÑIA GENERAL DE ELECTRICIDAD S.A.
Engaged in electricity distribution, transmission, generati…
|
— | CL | Electricity, gas, steam and air… |
AMEREN CORP via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/30170/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=30170 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=30170 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=30170 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 30170}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for AMEREN CORP (id: 30170)"
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