CNR 8-K: SEC filing
Core Natural Resources, Inc.
Filed with the SEC on · accession 0001710366-26-000067
CNR filed a 8-K (current report) with the SEC on Nov 5, 2026. Core Natural Resources, Inc. issued a press release and investor presentation announcing its 2026 third quarter results on November 5, 2026. The stock moved -6.2% by the first close after the filing.
Summary of the filing
Core Natural Resources, Inc. issued a press release and investor presentation announcing its 2026 third quarter results on November 5, 2026. The filing is an 8-K under Items 2.02 and 7.01, with the press release and presentation furnished as exhibits.
Key details
How CNR stock reacted
Close before
$80.22
Nov 4, 2026
First close after
-6.25%
$75.21
5 trading days
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Since filing
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Click hereFrequently asked questions
What did CNR file with the SEC on Nov 5, 2026?
CNR filed a 8-K (SEC filing). Core Natural Resources, Inc. issued a press release and investor presentation announcing its 2026 third quarter results on November 5, 2026. The filing is an 8-K under Items 2.02 and 7.01, with the press release and presentation furnished as exhibits.
How do I read a 8-K?
A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more. The "Item" number tells you the topic (e.g. 2.02 results, 5.02 executive change, 1.01 new agreement, 1.03 bankruptcy). Exhibits (99.1 press release) usually hold the details.
Why are SEC filings important?
Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A 8-K (current report): A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more.
How did CNR stock react to this filing?
CNR closed at $80.22 before the filing and $75.21 on Nov 5, 2026 (-6.25%).
Other CNR SEC filings
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