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8-K

Material Event

Core Natural Resources, Inc. CNR

0001710366-26-000045

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Filed
May 19, 2026 12:00 AM ET
Period of report
—

On SEC.gov

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Financials in this filing

Structured financials aren't available for this filing — it may be an event-driven form (8-K/6-K), pre-date XBRL (~2009), or report only narrative content. Use the SEC.gov links above to read it.