Big update
4 Jun 2026
Company posts investor presentation to website
Investors can review the company's latest strategy and performance details.
SEC 8-K · filed 2026-06-04
View filing ↗
What's happening at Core Natural Resources, Inc.
Core Natural Resources, Inc.'s latest moves, explained simply — so you know why the numbers change.
Straight from SEC filings · updated 5 Aug 2026
Corporate
19 May 2026
Leer South mine methane order vacated same day
Safety issues at mines can affect operations and investor confidence in the company.
SEC 8-K · filed 2026-05-19
View filing ↗
Earnings
7 May 2026
First quarter 2026 financial results reported
Quarterly earnings show whether the company is making or losing money.
SEC 10-Q · filed 2026-05-07
View filing ↗
Earnings
7 May 2026
Company announces Q1 2026 results and investor presentation
Earnings announcements tell investors how well the business performed recently.
SEC 8-K · filed 2026-05-07
View filing ↗
Corporate
4 May 2026
Mountaineer II mine methane order terminated same day
Mine safety incidents can disrupt production and create regulatory or financial risks.
SEC 8-K · filed 2026-05-04
View filing ↗
Governance
30 Apr 2026
Eight directors elected, auditor ratified at annual meeting
Director elections and auditor approval affect who oversees the company's operations and finances.
SEC 8-K · filed 2026-04-30
View filing ↗
Earnings
17 Feb 2026
Annual financial statements filed for fiscal year 2025
The annual report shows the company's full-year revenue, profits, and financial position.
SEC 10-K · filed 2026-02-17
View filing ↗
Common questions
How does Stocky track Core Natural Resources, Inc.'s company events?
Stocky reads Core Natural Resources, Inc.'s official filings with the U.S. Securities and Exchange Commission (SEC) — the 8-K, 10-Q and 10-K reports every public company must file — and summarizes each one in plain English, with a link back to the original document.
What was Core Natural Resources, Inc.'s most recent SEC filing?
Core Natural Resources, Inc.'s most recent tracked filing was a 8-K on 4 Jun 2026: Company posts investor presentation to website.
Is this financial advice?
No. These event summaries are educational — generated from public SEC filings to help beginners understand what a company is doing. They are not buy or sell recommendations.