Core Natural Resources, Inc. — Investor Relations & Filings
Filings indexed
623
across all filing types
Latest filing
2026-05-19
Regulatory Filings
Country
US
United States of America
Listing
US
CNR
Core Natural Resources, Inc. is a producer and global supplier of coal-based products. The company operates multiple mines, focusing on the production and export of high-quality, low-cost metallurgical and high calorific value thermal coals. These products serve international markets, meeting demand for essential infrastructure development, reliable energy generation, and critical resources for steel manufacturing.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 8-K | 2026-05-19 | English | |
| 10-Q - Core Natural Resources, Inc. (0001710366) (Filer) | 2026-05-07 | English | |
| 8-K - Core Natural Resources, Inc. (0001710366) (Filer) | 2026-05-07 | English | |
| 8-K - Core Natural Resources, Inc. (0001710366) (Filer) | 2026-05-04 | English | |
| 8-K - Core Natural Resources, Inc. (0001710366) (Filer) | 2026-04-30 | English | |
| 4 - Core Natural Resources, Inc. (0001710366) (Issuer) | 2026-03-20 | English |
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Peer group · Mining of hard coal
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
PEABODY ENERGY CORP
A leading coal producer supplying coal for electricity gene…
|
BTU | US | Mining and quarrying |
|
Perennial Energy Holdings Limited
Focuses on the exploration, mining, and preparation of high…
|
2798 | KY | Mining and quarrying |
|
Pingdingshan Tianan Coal. Mining Co.,Ltd.
Explores, mines, and processes coking and thermal coal for …
|
601666 | CN | Mining and quarrying |
|
PT ABM INVESTAMA TBK
Investment company focused on energy, providing integrated …
|
79PB | ID | Mining and quarrying |
|
PT Adaro Andalan Indonesia Tbk
Holding company for coal mining, logistics, power generatio…
|
AADI | ID | Mining and quarrying |
|
PT Alamtri Minerals Indonesia Tbk
Metallurgical coal mining, mineral processing, and building…
|
ADMR | ID | Mining and quarrying |
|
PT Alfa Energi Investama Tbk.
Integrated in coal mining, trading, transportation, and sto…
|
FIRE | ID | Mining and quarrying |
|
PT Astrindo Nusantara Infrastruktur Tbk.
Specializes in energy infrastructure, developing and operat…
|
BIPI | ID | Mining and quarrying |
|
PT Black Diamond Resources Tbk
Focused on developing and operating coal mining businesses.
|
COAL | ID | Mining and quarrying |
|
PT Borneo Olah Sarana Sukses Tbk.
Primarily explores, produces, and supplies premium quality …
|
BOSS | ID | Mining and quarrying |
Core Natural Resources, Inc. 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/31117/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=31117 | 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=31117 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
Full reference: API reference · OpenAPI schema
cURL
$ curl https://api.financialreports.eu/api/filings/?company=31117 \ -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": 31117}, 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 Core Natural Resources, Inc. (id: 31117)"
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