Core Natural Resources, Inc. (CNR) SEC Filings

Core Natural Resources, Inc. (CNR) SEC EDGAR filings (8-K, 10-Q, DEF 14A, 10-K/A, 10-K), newest first; latest 8-K filed 2026-08-19. Every filing links to the canonical SEC document. First-party data.

SEC filings — source: EDGAR

Filed	Form	Title
2026-08-19	8-K	8-K filed 2026-08-19 by Core Natural Resources, Inc.
2026-08-06	8-K	8-K filed 2026-08-06 by Core Natural Resources, Inc.
2026-08-06	10-Q	10-Q filed 2026-08-06 by Core Natural Resources, Inc.
2026-06-04	8-K	8-K filed 2026-06-04 by Core Natural Resources, Inc.
2026-05-19	8-K	8-K filed 2026-05-19 by Core Natural Resources, Inc.
2026-05-07	8-K	8-K filed 2026-05-07 by Core Natural Resources, Inc.
2026-05-07	10-Q	10-Q filed 2026-05-07 by Core Natural Resources, Inc.
2026-05-04	8-K	8-K filed 2026-05-04 by Core Natural Resources, Inc.
2026-04-30	8-K	8-K filed 2026-04-30 by Core Natural Resources, Inc.
2026-03-16	DEF 14A	DEF 14A filed 2026-03-16 by Core Natural Resources, Inc.
2026-02-27	10-K/A	10-K/A filed 2026-02-27 by Core Natural Resources, Inc.
2026-02-17	10-K	10-K filed 2026-02-17 by Core Natural Resources, Inc.
2026-02-12	8-K	8-K filed 2026-02-12 by Core Natural Resources, Inc.
2026-01-12	8-K	8-K filed 2026-01-12 by Core Natural Resources, Inc.
2025-12-18	8-K	8-K filed 2025-12-18 by Core Natural Resources, Inc.
2025-11-06	8-K	8-K filed 2025-11-06 by Core Natural Resources, Inc.
2025-11-06	10-Q	10-Q filed 2025-11-06 by Core Natural Resources, Inc.
2025-10-08	8-K	8-K filed 2025-10-08 by Core Natural Resources, Inc.
2025-08-05	8-K	8-K filed 2025-08-05 by Core Natural Resources, Inc.
2025-08-05	10-Q	10-Q filed 2025-08-05 by Core Natural Resources, Inc.
2025-07-31	8-K	8-K filed 2025-07-31 by Core Natural Resources, Inc.
2025-06-30	8-K	8-K filed 2025-06-30 by Core Natural Resources, Inc.
2025-05-08	8-K	8-K filed 2025-05-08 by Core Natural Resources, Inc.
2025-05-08	10-Q	10-Q filed 2025-05-08 by Core Natural Resources, Inc.
2025-04-30	8-K	8-K filed 2025-04-30 by Core Natural Resources, Inc.
2025-03-28	8-K	8-K filed 2025-03-28 by Core Natural Resources, Inc.
2025-03-24	8-K	8-K filed 2025-03-24 by Core Natural Resources, Inc.
2025-03-17	DEF 14A	DEF 14A filed 2025-03-17 by Core Natural Resources, Inc.
2025-02-20	8-K	8-K filed 2025-02-20 by Core Natural Resources, Inc.
2025-02-20	8-K	8-K filed 2025-02-20 by Core Natural Resources, Inc.

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Data sourced from U.S. SEC EDGAR. Not personalized investment advice.