
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 |
|---|---|---|---|
|
Dala Energi AB
A regional provider of electricity, heating, and fiber opti…
|
DE | SE | Electricity, gas, steam and air… |
|
Desarrolladora Energética S.A.
A company focused on the development of energy projects and…
|
DESA | ES | Electricity, gas, steam and air… |
|
Distribuzione Elettrica Adriatica S.p.A.
Manages low/medium voltage grids, supplies power, and conne…
|
DEA | IT | Electricity, gas, steam and air… |
|
DPSC Limited
Integrated power utility managing generation, transmission,…
|
DPSCLTD | IN | Electricity, gas, steam and air… |
|
DTE ENERGY CO
A diversified energy company providing electricity and natu…
|
DTE | US | Electricity, gas, steam and air… |
|
Dubai Electricity & Water Authority PJSC
Public service infrastructure company generating, transmitt…
|
DEWA | AE | Electricity, gas, steam and air… |
|
Duke Energy CORP
An energy holding company that generates and distributes el…
|
DUK | US | Electricity, gas, steam and air… |
|
EDENOR
Major electricity distributor serving approximately nine mi…
|
EDN | US | Electricity, gas, steam and air… |
|
Edesa Holding S.A.
Generates, distributes, and markets electricity to customer…
|
— | AR | Electricity, gas, steam and air… |
|
Edesal Holding S.A.
Investment holding company focused on the sub-transport and…
|
— | AR | 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)"
Report missing filing
Can't find a specific document? Let us know and we'll add it within 24 hours.