NYSE:CNR | News | Core Natural Resources, Inc.

CNR News

Official issuer or fund updates, exact SEC current reports, and large established publisher coverage, newest first. Every lawfully retained item remains in the corpus; each public page contains at most 100 rows. Headlines open the exact source; summaries are concise descriptions and not investment recommendations. Captured 2026-08-31.

DateTypePublisherHeadlineSummary
2026-08-19Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 5.02,7.01,9.01.
2026-08-06Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2026-06-04Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 7.01,9.01.
2026-05-19Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 1.04.
2026-05-07Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2026-05-04Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 1.04.
2026-04-30Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 5.07,7.01,9.01.
2026-02-12Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2026-01-12Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 1.04.
2025-12-18Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 7.01,9.01.
2025-11-06Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2025-10-08Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 5.02,7.01,9.01.
2025-08-05Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2025-07-31Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 1.01,1.02,2.03,9.01.
2025-06-30Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 7.01,9.01.
2025-05-08Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2025-04-30Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 5.07.
2025-03-28Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 7.01,8.01,9.01.
2025-03-24Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 7.01,9.01.
2025-02-20Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 8.01,9.01.
2025-02-20Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2025-02-18Current reportSEC filingCore Natural Resources, Inc. filed Form 8-K/ACore Natural Resources, Inc. filed Form 8-K/A covering items 9.01.
2025-01-16Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 7.01,9.01.
2025-01-15Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 1.01,2.01,2.03,3.03,5.02,5.03,7.01,8.01,9.01.
2025-01-10Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 5.07.
2025-01-03Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 8.01.
2024-12-06Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 5.02.
2024-11-12Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 5.02,9.01.
2024-11-05Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2024-10-15Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 8.01,9.01.
2024-08-21Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 1.01,5.02,8.01,9.01.
2024-08-08Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2024-05-07Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2024-05-06Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 5.03,5.07,9.01.
2024-02-06Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2023-10-31Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2023-08-08Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2023-06-13Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 1.01,2.03,9.01.
2023-05-02Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 5.07.
2023-05-02Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2023-03-24Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 5.02.
2023-02-07Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2023-01-23Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,5.02,7.01,9.01.
2022-11-02Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 8.01.
2022-11-01Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2022-08-04Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2022-07-25Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 1.01,2.03,9.01.
2022-05-03Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2022-05-02Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 5.07.
2022-02-08Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2021-11-02Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2021-08-31Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 1.04.
2021-08-03Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2021-05-04Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 5.07.
2021-05-04Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2021-04-19Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 1.01,2.03,9.01.
2021-03-31Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 1.01,2.03,7.01,9.01.
2021-02-09Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2020-12-31Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 5.02,9.01.
2020-12-30Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 1.02,2.01,5.07,7.01,9.01.
2020-11-05Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2020-10-23Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 1.01,7.01,9.01.
2020-08-10Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2020-07-14Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2020-06-18Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 5.02.
2020-06-11Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 1.01,2.03,9.01.
2020-05-11Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2020-05-08Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 5.03,5.07,9.01.
2020-04-02Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 1.01.
2020-02-11Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2020-01-03Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 5.02.
2019-11-05Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2019-08-06Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2019-05-13Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 5.07.
2019-05-08Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2019-04-03Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 1.01,2.03,8.01,9.01.
2019-03-21Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 1.04.
2019-02-07Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2018-11-01Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2018-09-06Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 1.01,9.01.
2018-08-02Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2018-05-09Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 5.07.
2018-05-03Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2018-02-06Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 2.02,7.01,9.01.
2017-12-08Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 5.02.
2017-12-04Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 1.01,2.02,2.03,5.02,5.03,7.01,8.01,9.01.
2017-11-29Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 5.02,8.01.
2017-11-15Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 1.01,2.03,5.02,9.01.
2017-11-06Current reportSEC filingCore Natural Resources, Inc. filed Form 8-KCore Natural Resources, Inc. filed Form 8-K covering items 7.01,9.01.