| 2026-02-27 | 10-K/A | Stock registered under Section 12(b) | Common Stock ($0.01 par value) · CNR · NYSE |
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| 2026-02-17 | 10-K | Stock registered under Section 12(b) | Common Stock ($0.01 par value) · CNR · NYSE |
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| 2025-02-20 | 10-K | Stock registered under Section 12(b) | Common Stock ($0.01 par value) · CNR · NYSE |
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| 2024-11-05 | 10-Q | Stock registered under Section 12(b) | Common Stock, $0.01 par value · CEIX · NYSE |
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| 2024-08-08 | 10-Q | Stock registered under Section 12(b) | Common Stock, $0.01 par value · CEIX · NYSE |
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| 2024-05-07 | 10-Q | Stock registered under Section 12(b) | Common Stock, $0.01 par value · CEIX · NYSE |
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| 2024-02-09 | 10-K | Stock registered under Section 12(b) | Common Stock ($0.01 par value) · CEIX · NYSE |
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| 2023-10-31 | 10-Q | Stock registered under Section 12(b) | Common Stock, $0.01 par value · CEIX · NYSE |
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| 2023-08-08 | 10-Q | Stock registered under Section 12(b) | Common Stock, $0.01 par value · CEIX · NYSE |
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| 2023-05-02 | 10-Q | Stock registered under Section 12(b) | Common Stock, $0.01 par value · CEIX · NYSE |
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| 2023-02-10 | 10-K | Stock registered under Section 12(b) | Common Stock ($0.01 par value) · CEIX · NYSE |
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| 2022-11-01 | 10-Q | Stock registered under Section 12(b) | Common Stock, $0.01 par value · CEIX · NYSE |
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| 2022-08-04 | 10-Q | Stock registered under Section 12(b) | Common Stock, $0.01 par value · CEIX · NYSE |
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| 2022-05-03 | 10-Q | Stock registered under Section 12(b) | Common Stock, $0.01 par value · CEIX · NYSE |
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| 2022-02-11 | 10-K | Stock registered under Section 12(b) | Common Stock ($0.01 par value) · CEIX · NYSE |
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| 2021-11-02 | 10-Q | Stock registered under Section 12(b) | Common Stock, $0.01 par value · CEIX · NYSE |
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| 2021-11-02 | 10-Q | Smaller reporting company | Yes |
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| 2021-08-03 | 10-Q | Stock registered under Section 12(b) | Common Stock, $0.01 par value · CEIX · NYSE |
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| 2021-08-03 | 10-Q | Smaller reporting company | Yes |
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| 2021-05-04 | 10-Q | Stock registered under Section 12(b) | Common Stock, $0.01 par value · CEIX · NYSE |
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| 2021-05-04 | 10-Q | Smaller reporting company | Yes |
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| 2021-02-12 | 10-K | Stock registered under Section 12(b) | Common Stock ($0.01 par value) · CEIX · NYSE |
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| 2021-02-12 | 10-K | Smaller reporting company | Yes |
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| 2021-02-12 | 10-K | Well-known seasoned issuer | No |
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| 2020-11-05 | 10-Q | Stock registered under Section 12(b) | Common Stock, $0.01 par value · CEIX · NYSE |
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| 2020-08-10 | 10-Q | Stock registered under Section 12(b) | Common Stock, $0.01 par value · CEIX · NYSE |
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| 2020-05-11 | 10-Q | Stock registered under Section 12(b) | Common Stock, $0.01 par value · CEIX · NYSE |
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| 2020-02-14 | 10-K | Stock registered under Section 12(b) | Common Stock ($0.01 par value) · CEIX · NYSE |
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| 2020-02-14 | 10-K | Well-known seasoned issuer | No |
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| 2019-11-05 | 10-Q | Stock registered under Section 12(b) | Common Stock, $0.01 par value · CEIX · NYSE |
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| 2019-08-06 | 10-Q | Stock registered under Section 12(b) | Common Stock, $0.01 par value · CEIX · NYSE |
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| 2018-02-16 | 10-K | Well-known seasoned issuer | No |
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