Recent 8-K filings for CNR
Highest-materiality recent filing
Core Natural Resources Q2 net loss $36.6M, adj. EBITDA $144.3M, synergies target raised to $150-170M
- Net loss of $36.6M ($0.70 diluted EPS); revenues $1,102.4M; adj. EBITDA $144.3M incl. $21.2M Leer South costs.
- Increased annual synergy target to $150M-$170M, ~30% above initial guidance; returned $87.1M to shareholders via buybacks and dividends.
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Core Natural Resources receives vacated MSHA imminent danger order at Leer South mine
Wolf Run Mining LLC subsidiary received 107(a) order on May 13, 2026 for elevated methane at Leer South (Barbour County, WV).
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CNR Q1 net income $21M, adj EBITDA $180M; returns $47M to shareholders
Net income $21.0M ($0.41 diluted EPS); revenue $1.1B; adjusted EBITDA $179.9M.
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Core Natural Resources subsidiary receives imminent danger order at Mountaineer II mine for methane
Mingo Logan Coal LLC received a 107(a) order on April 29, 2026 at Mountaineer II mine in Logan County, WV.
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Two new directors elected to Core Natural Resources board at annual meeting
Edward L. Doheny II (former CEO of Sealed Air, Joy Global) and Ronald C. Keating (President/CEO of Excelitas Technologies) elected to board.
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Core Natural Resources Q4 net loss $79M, adj. EBITDA $103M; resumes full production at Leer South
Net loss $79M ($1.54 diluted EPS); adjusted EBITDA $103.1M inclusive of $36.4M fire/extinguishment and idle mine costs.
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Mingo Logan Coal LLC received a 107(a) order on January 8, 2026 at the Mountaineer II mine in Logan County, West Virginia.
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Leer South longwall restarted after being idle since Jan 13, 2025 due to combustion-related activity.
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Core Natural Resources Q3 net income $31.6M, adj. EBITDA $141.2M; returns $24.6M to stockholders
Net income $31.6M ($0.61 diluted EPS); adjusted EBITDA $141.2M; revenue $1,002.5M.
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Core Natural Resources appoints board chair Jimmy Brock as CEO; Paul Lang departs
James A. Brock appointed CEO effective October 6, 2025, succeeding Paul A. Lang.
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Core Natural Resources Q2 net loss $36.6M, adj. EBITDA $144.3M, synergies target raised to $150-170M
Net loss of $36.6M ($0.70 diluted EPS); revenues $1,102.4M; adj. EBITDA $144.3M incl. $21.2M Leer South costs.
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Core Natural Resources enters $250M receivables facility, replaces prior CONSOL facility
New $250M receivables financing agreement with PNC Bank; maturity July 27, 2028.
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Mine re-entered June 10; ventilation restored, longwall components in good condition.
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Net loss $69.3M ($1.38/diluted share) includes $49.2M merger costs and $11.7M debt extinguishment loss.
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All eight director nominees elected with 43.6M–43.9M votes for; broker non-votes of ~4.7M.
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Core Natural Resources completes $307M tax-exempt bond refinancing at 5.3% avg rate
Total bond amount $306.78M ($97.56M PA, $102.865M MD, $106.355M WV) with 10-year maturity, unsecured.
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Core Natural Resources posts investor presentation without specific financial details
Investor presentation posted on March 24, 2025 to company website.
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Arch Resources' 2024 revenue $2.43B vs $3.15B in 2023 (-22.7%).
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Board authorized $1.0B in share repurchases; framework targets ~75% of free cash flow returned to shareholders, primarily via buybacks.
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Core Natural Resources files amendment to include Arch financials in 8-K
Amendment adds audited Arch financials for 2023, 2022, 2021 and unaudited 2024 nine-month period.
Earnings & guidance
Materiality & sentiment trend
Max materiality 0.75 · Median 0.65 · Most common event earnings