{"transactions":[{"id":795499,"issuer":{"id":3899,"kind":"organization","name":"Core Natural Resources, Inc."},"owners":[{"id":27163,"kind":"person","name":"Keating Ronald C","position":1,"cik":"0001353838","reported_name":"Keating Ronald C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.01 per share (\"Common Stock\")","published_at":"2026-05-01T15:10:22.000Z","date":"2026-04-30","kind":"grant","planned":false,"acquired":true,"shares":1390,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock units pursuant to the Issuer's Omnibus Performance Incentive Plan, which vest on the first anniversary of the grant date.  Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Of the 1,390 shares reported, 1,390 are unvested restricted stock units."}],"balance_after":1390,"source":{"system":"sec-edgar","filing":"0001353838-26-000005","document":"wk-form4_1777648219.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1353838/000135383826000005/wk-form4_1777648219.xml","form_type":"4"}},{"id":795355,"issuer":{"id":3899,"kind":"organization","name":"Core Natural Resources, Inc."},"owners":[{"id":50250,"kind":"person","name":"Doheny Edward L II","position":1,"cik":"0001363620","reported_name":"Doheny Edward L II","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.01 per share (\"Common Stock\")","published_at":"2026-05-01T15:09:45.000Z","date":"2026-04-30","kind":"grant","planned":false,"acquired":true,"shares":1390,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock units pursuant to the Issuer's Omnibus Performance Incentive Plan, which vest on the first anniversary of the grant date.  Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Of the 1,390 shares reported, 1,390 are unvested restricted stock units."}],"balance_after":1390,"source":{"system":"sec-edgar","filing":"0001710366-26-000031","document":"wk-form4_1777648183.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1363620/000171036626000031/wk-form4_1777648183.xml","form_type":"4"}},{"id":828215,"issuer":{"id":3899,"kind":"organization","name":"Core Natural Resources, Inc."},"owners":[{"id":56054,"kind":"person","name":"Brock James A","position":1,"cik":"0001620612","reported_name":"Brock James A","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair and CEO"}}],"security":"Common stock, par value $0.01 per share","published_at":"2026-03-25T16:35:41.000Z","date":"2026-03-24","kind":"gift","planned":false,"acquired":true,"shares":24440,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"This acquisition was made in connection with a gift under a long-term strategy for estate planning purposes."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Of the 291,415 shares reported, 44,640 are unvested restricted stock units."}],"balance_after":291415,"source":{"system":"sec-edgar","filing":"0001193125-26-124233","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1620612/000119312526124233/ownership.xml","form_type":"4"}},{"id":828214,"issuer":{"id":3899,"kind":"organization","name":"Core Natural Resources, Inc."},"owners":[{"id":56054,"kind":"person","name":"Brock James A","position":1,"cik":"0001620612","reported_name":"Brock James A","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair and CEO"}}],"security":"Common stock, par value $0.01 per share","published_at":"2026-03-25T16:35:41.000Z","date":"2026-03-24","kind":"gift","planned":false,"acquired":false,"shares":24440,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Lee Ann Brock Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This disposition was made in connection with a gift under a long-term strategy for estate planning purposes."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001193125-26-124233","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1620612/000119312526124233/ownership.xml","form_type":"4"}},{"id":832087,"issuer":{"id":3899,"kind":"organization","name":"Core Natural Resources, Inc."},"owners":[{"id":56813,"kind":"person","name":"Klein Rosemary L","position":1,"cik":"0001310202","reported_name":"Klein Rosemary L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CLO & Corp. 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These shares were sold in multiple transactions at prices ranging from $100.62 to $101.57, inclusive. The reporting person undertakes to provide to Core Natural Resources, Inc., any security holder of Core Natural Resources, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4."}],"balance_after":100000,"source":{"system":"sec-edgar","filing":"0001193125-26-116273","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1620612/000119312526116273/ownership.xml","form_type":"4"}},{"id":833531,"issuer":{"id":3899,"kind":"organization","name":"Core Natural Resources, Inc."},"owners":[{"id":57139,"kind":"person","name":"Rothka John","position":1,"cik":"0001713960","reported_name":"Rothka John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common stock, par value $0.01 per share","published_at":"2026-03-19T10:58:27.000Z","date":"2026-03-17","kind":"sale","planned":false,"acquired":false,"shares":1000,"price":97.66,"value":97660.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $97.65 to $97.75, inclusive. The reporting person undertakes to provide to Core Natural Resources, Inc., any security holder of Core Natural Resources, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Of the 5,190 shares reported, 1,314 are unvested restricted stock units."}],"balance_after":5190,"source":{"system":"sec-edgar","filing":"0001193125-26-115364","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1713960/000119312526115364/ownership.xml","form_type":"4"}},{"id":848439,"issuer":{"id":3899,"kind":"organization","name":"Core Natural Resources, Inc."},"owners":[{"id":43471,"kind":"person","name":"NAVARRE RICHARD A","position":1,"cik":"0001213886","reported_name":"NAVARRE RICHARD A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock, par value $0.01 per share","published_at":"2026-03-11T15:33:24.000Z","date":"2026-03-10","kind":"sale","planned":false,"acquired":false,"shares":6000,"price":91.7,"value":550200.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Of the 18,034 shares reported, 2,200 are unvested restricted stock units."}],"balance_after":18034,"source":{"system":"sec-edgar","filing":"0001193125-26-101400","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1213886/000119312526101400/ownership.xml","form_type":"4"}},{"id":848710,"issuer":{"id":3899,"kind":"organization","name":"Core Natural Resources, Inc."},"owners":[{"id":57139,"kind":"person","name":"Rothka John","position":1,"cik":"0001713960","reported_name":"Rothka John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common stock, par value $0.01 per share","published_at":"2026-03-11T11:40:47.000Z","date":"2026-03-10","kind":"sale","planned":false,"acquired":false,"shares":3800,"price":91.62,"value":348156.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $91.25 to $91.75, inclusive. The reporting person undertakes to provide to Core Natural Resources, Inc., any security holder of Core Natural Resources, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Of the 6,190 shares reported, 1,314 are unvested restricted stock units."}],"balance_after":6190,"source":{"system":"sec-edgar","filing":"0001193125-26-101417","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1713960/000119312526101417/ownership.xml","form_type":"4"}},{"id":888121,"issuer":{"id":3899,"kind":"organization","name":"Core Natural Resources, Inc."},"owners":[{"id":57139,"kind":"person","name":"Rothka John","position":1,"cik":"0001713960","reported_name":"Rothka John","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common stock, par value $0.01 per share","published_at":"2026-02-23T16:20:21.000Z","date":"2026-02-18","kind":"tax_withholding","planned":false,"acquired":false,"shares":79,"price":88.96,"value":7027.84,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 19, 2026, the reporting person filed a Form 4 (the \"Original Form 4\") which inadvertently reported in the second row of Table I an incorrect amount of shares of common stock withheld to satisfy the reporting person's tax liability due to a clerical error. The corrected amount of shares withheld to satisfy the reporting person's tax liability was 79 shares."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Due to immaterial clerical rounding errors, the reporting person's Original Form 4 inadvertently reported an incorrect total amount of securities directly beneficially owned by the reporting person and mistakenly indicated an incorrect amount of unvested restricted stock units owned. 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Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Of the 24,030 shares reported, 2,200 are unvested restricted stock units."}],"balance_after":24030,"source":{"system":"sec-edgar","filing":"0001193125-26-059981","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1213886/000119312526059981/ownership.xml","form_type":"4"}},{"id":892549,"issuer":{"id":3899,"kind":"organization","name":"Core Natural Resources, Inc."},"owners":[{"id":64891,"kind":"person","name":"Perera Valli","position":1,"cik":"0001970886","reported_name":"Perera Valli","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock, par value $0.01 per share","published_at":"2026-02-20T00:59:57.000Z","date":"2026-02-17","kind":"grant","planned":false,"acquired":true,"shares":1610,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock units pursuant to the Issuer's Omnibus Performance Incentive Plan, which vest on the first anniversary of the grant date. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Of the 9,317 shares reported, 1,610 are unvested restricted stock units."}],"balance_after":9317,"source":{"system":"sec-edgar","filing":"0001193125-26-059976","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1710366/000119312526059976/ownership.xml","form_type":"4"}},{"id":892543,"issuer":{"id":3899,"kind":"organization","name":"Core Natural Resources, Inc."},"owners":[{"id":65126,"kind":"person","name":"Salvatori Kurt R.","position":1,"cik":"0001717472","reported_name":"Salvatori Kurt R.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Chief Admin. 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At the effective time of the Merger (the \"Effective Time\"), pursuant to the terms of the Merger Agreement, each restricted stock unit award of the Company held by the Reporting Person that was outstanding immediately prior to the Effective Time fully vested and settled in the number of shares of common stock, par value $0.01 per share, of the Company covered by such award."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Of the 7,707 shares reported, 3,348 are unvested restricted stock units (including dividend equivalent rights) and 4,359 are vested deferred stock units (including dividend equivalent rights)."}],"balance_after":7707,"source":{"system":"sec-edgar","filing":"0000950170-25-024382","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1970736/000095017025024382/ownership.xml","form_type":"4"}},{"id":1256217,"issuer":{"id":3899,"kind":"organization","name":"Core Natural Resources, Inc."},"owners":[{"id":82980,"kind":"person","name":"Pan Cassandra Chia-Wei","position":1,"cik":"0001970736","reported_name":"Pan Cassandra Chia-Wei","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock, par value $0.01 per share","published_at":"2025-02-20T17:49:25.000Z","date":"2025-02-18","kind":"grant","planned":false,"acquired":true,"shares":1674,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock units pursuant to the Issuer's Omnibus Performance Incentive Plan, which vest on the first anniversary of the grant date. 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Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Of the 13,807 shares reported, 828 are unvested restricted stock units."}],"balance_after":13807,"source":{"system":"sec-edgar","filing":"0000950170-25-024366","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1713960/000095017025024366/ownership.xml","form_type":"4"}},{"id":1255289,"issuer":{"id":3899,"kind":"organization","name":"Core Natural Resources, Inc."},"owners":[{"id":65141,"kind":"person","name":"Slone Deck","position":1,"cik":"0001335025","reported_name":"Slone Deck","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Strategy & Public Policy"}}],"security":"Common stock, par value $0.01 per share","published_at":"2025-02-20T17:43:07.000Z","date":"2025-02-18","kind":"grant","planned":false,"acquired":true,"shares":5024,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents a grant of restricted stock units pursuant to the Issuer's Omnibus Performance Incentive Plan, which vest annually in equal installments over a period of three years, beginning on the first anniversary of the grant date. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Of the 66,365 shares reported, 10,048 are unvested restricted stock units."}],"balance_after":66365,"source":{"system":"sec-edgar","filing":"0000950170-25-024359","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1335025/000095017025024359/ownership.xml","form_type":"4"}},{"id":1255288,"issuer":{"id":3899,"kind":"organization","name":"Core Natural Resources, Inc."},"owners":[{"id":65141,"kind":"person","name":"Slone Deck","position":1,"cik":"0001335025","reported_name":"Slone Deck","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Strategy & Public Policy"}}],"security":"Common stock, par value $0.01 per share","published_at":"2025-02-20T17:43:07.000Z","date":"2025-02-18","kind":"grant","planned":false,"acquired":true,"shares":5024,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock units pursuant to the Issuer's Omnibus Performance Incentive Plan, which vest annually in equal installments over a period of two years, beginning on the first anniversary of the grant date. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":61341,"source":{"system":"sec-edgar","filing":"0000950170-25-024359","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1335025/000095017025024359/ownership.xml","form_type":"4"}},{"id":1254904,"issuer":{"id":3899,"kind":"organization","name":"Core Natural Resources, Inc."},"owners":[{"id":65128,"kind":"person","name":"Schuller George John JR","position":1,"cik":"0001702125","reported_name":"Schuller George John JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Chief Operating Officer"}}],"security":"Common stock, par value $0.01 per share","published_at":"2025-02-20T17:39:33.000Z","date":"2025-02-18","kind":"grant","planned":false,"acquired":true,"shares":7497,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents a grant of restricted stock units pursuant to the Issuer's Omnibus Performance Incentive Plan, which vest annually in equal installments over a period of three years, beginning on the first anniversary of the grant date. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Of the 21,590 shares reported, 14,994 are unvested restricted stock units."}],"balance_after":21590,"source":{"system":"sec-edgar","filing":"0000950170-25-024356","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1702125/000095017025024356/ownership.xml","form_type":"4"}},{"id":1254903,"issuer":{"id":3899,"kind":"organization","name":"Core Natural Resources, Inc."},"owners":[{"id":65128,"kind":"person","name":"Schuller George John JR","position":1,"cik":"0001702125","reported_name":"Schuller George John JR","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Chief Operating Officer"}}],"security":"Common stock, par value $0.01 per share","published_at":"2025-02-20T17:39:33.000Z","date":"2025-02-18","kind":"grant","planned":false,"acquired":true,"shares":7497,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock units pursuant to the Issuer's Omnibus Performance Incentive Plan, which vest annually in equal installments over a period of two years, beginning on the first anniversary of the grant date. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":14093,"source":{"system":"sec-edgar","filing":"0000950170-25-024356","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1702125/000095017025024356/ownership.xml","form_type":"4"}},{"id":1255299,"issuer":{"id":3899,"kind":"organization","name":"Core Natural Resources, Inc."},"owners":[{"id":56813,"kind":"person","name":"Klein Rosemary L","position":1,"cik":"0001310202","reported_name":"Klein Rosemary L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CLO & Corp. 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Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Of the 64,850 shares reported, 10,248 are unvested restricted stock units."}],"balance_after":64850,"source":{"system":"sec-edgar","filing":"0000950170-25-024352","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1310202/000095017025024352/ownership.xml","form_type":"4"}},{"id":1255298,"issuer":{"id":3899,"kind":"organization","name":"Core Natural Resources, Inc."},"owners":[{"id":56813,"kind":"person","name":"Klein Rosemary L","position":1,"cik":"0001310202","reported_name":"Klein Rosemary L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CLO & Corp. 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Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":59726,"source":{"system":"sec-edgar","filing":"0000950170-25-024352","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1310202/000095017025024352/ownership.xml","form_type":"4"}},{"id":1301388,"issuer":{"id":3899,"kind":"organization","name":"Core Natural Resources, Inc."},"owners":[{"id":43471,"kind":"person","name":"NAVARRE RICHARD A","position":1,"cik":"0001213886","reported_name":"NAVARRE RICHARD A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock, par value $0.01 per share","published_at":"2025-01-17T00:44:24.000Z","date":"2025-01-14","kind":"grant","planned":false,"acquired":true,"shares":22254,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Pursuant to the Agreement and Plan of Merger, dated as of August 20, 2024 (the \"Merger Agreement\"), by and among Core Natural Resources, Inc. (formerly known as CONSOL Energy Inc.), a Delaware corporation (the \"Company\"), Mountain Range Merger Sub Inc., a Delaware corporation and wholly-owned subsidiary of the Company (\"Merger Sub\") and Arch Resources, Inc., a Delaware corporation (\"Arch\"), on January 14, 2025, Merger Sub merged with and into Arch, with Arch surviving the merger as a wholly-owned subsidiary of the Company (the \"Merger\"). 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As such, the number reported consists solely of unrestricted shares of common stock, par value $0.01 per share, of the Company."},{"field":"shares","element":"transactionShares","label":"F5","text":"The Reporting Person's shares of common stock, par value $0.01 per share, of the Company were earned pursuant to the PSUs of the Company granted on February 6, 2024. The Compensation Committee of the Board of Directors certified the results on 01/13/2025, which resulted in 100.00% of the common stock being paid out for each of the PSUs at the Effective Time."}],"balance_after":16804,"source":{"system":"sec-edgar","filing":"0000950170-25-006388","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1710366/000095017025006388/ownership.xml","form_type":"4"}},{"id":1301288,"issuer":{"id":3899,"kind":"organization","name":"Core Natural Resources, Inc."},"owners":[{"id":65126,"kind":"person","name":"Salvatori Kurt R.","position":1,"cik":"0001717472","reported_name":"Salvatori Kurt R.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Chief Admin. 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At the effective time of the Merger (the \"Effective Time\"), pursuant to the terms of the Merger Agreement, each (i) restricted stock unit award of the Company held by the Reporting Person that was outstanding immediately prior to the Effective Time fully vested and settled in the number of shares of common stock, par value $0.01 per share,"},{"field":"shares","element":"transactionShares","label":"F2","text":"(Continued from footnote 1) of the Company covered by such award and (ii) each performance stock unit (\"PSU\") of the Company held by the Reporting Person that was outstanding immediately prior to the Effective Time fully vested, was cancelled and automatically converted into the number of shares of common stock, par value $0.01 per share, of the Company covered by such award based on the greater of actual performance and target performance. As such, the number reported consists solely of unrestricted shares of common stock, par value $0.01 per share, of the Company."},{"field":"shares","element":"transactionShares","label":"F3","text":"The Reporting Person's shares of common stock, par value $0.01 per share, of the Company were earned pursuant to the PSUs of the Company granted on February 7, 2023. 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At the effective time of the Merger (the \"Effective Time\"), pursuant to the terms of the Merger Agreement, each (i) restricted stock unit award of the Company held by the Reporting Person that was outstanding immediately prior to the Effective Time fully vested and settled in the number of shares of common stock, par value $0.01 per share,"},{"field":"shares","element":"transactionShares","label":"F2","text":"(Continued from footnote 1) of the Company covered by such award and (ii) each performance stock unit (\"PSU\") of the Company held by the Reporting Person that was outstanding immediately prior to the Effective Time fully vested, was cancelled and automatically converted into the number of shares of common stock, par value $0.01 per share, of the Company covered by such award based on the greater of actual performance and target performance. As such, the number reported consists solely of unrestricted shares of common stock, par value $0.01 per share, of the Company."},{"field":"shares","element":"transactionShares","label":"F5","text":"The Reporting Person's shares of common stock, par value $0.01 per share, of the Company were earned pursuant to the PSUs of the Company granted on February 6, 2024. 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(formerly known as CONSOL Energy Inc.), a Delaware corporation (the \"Company\"), Mountain Range Merger Sub Inc., a Delaware corporation and wholly-owned subsidiary of the Company (\"Merger Sub\") and Arch Resources, Inc., a Delaware corporation (\"Arch\"), on January 14, 2025, Merger Sub merged with and into Arch, with Arch surviving the merger as a wholly-owned subsidiary of the Company (the \"Merger\"). At the effective time of the Merger (the \"Effective Time\"), pursuant to the terms of the Merger Agreement, each (i) restricted stock unit award of the Company held by the Reporting Person that was outstanding immediately prior to the Effective Time fully vested and settled in the number of shares of common stock, par value $0.01 per share,"},{"field":"shares","element":"transactionShares","label":"F2","text":"(Continued from footnote 1) of the Company covered by such award and (ii) each performance stock unit (\"PSU\") of the Company held by the Reporting Person that was outstanding immediately prior to the Effective Time fully vested, was cancelled and automatically converted into the number of shares of common stock, par value $0.01 per share, of the Company covered by such award based on the greater of actual performance and target performance. As such, the number reported consists solely of unrestricted shares of common stock, par value $0.01 per share, of the Company."},{"field":"shares","element":"transactionShares","label":"F3","text":"The Reporting Person's shares of common stock, par value $0.01 per share, of the Company were earned pursuant to the PSUs of the Company granted on February 7, 2023. The Compensation Committee of the Board of Directors certified the results on 01/13/2025, which resulted in 123.20% of the common stock being paid out for each of the PSUs at the Effective Time."}],"balance_after":45934,"source":{"system":"sec-edgar","filing":"0000950170-25-006362","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1710366/000095017025006362/ownership.xml","form_type":"4"}},{"id":1301389,"issuer":{"id":3899,"kind":"organization","name":"Core Natural Resources, Inc."},"owners":[{"id":41675,"kind":"person","name":"KOEPPEL HOLLY K","position":1,"cik":"0001210399","reported_name":"KOEPPEL HOLLY K","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock, par value $0.01 per share","published_at":"2025-01-17T00:10:08.000Z","date":"2025-01-14","kind":"grant","planned":false,"acquired":true,"shares":18815,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Pursuant to the Agreement and Plan of Merger, dated as of August 20, 2024 (the \"Merger Agreement\"), by and among Core Natural Resources, Inc. 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At the effective time of the Merger (the \"Effective Time\"), pursuant to the terms of the Merger Agreement, each (i) restricted stock unit award of the Company held by the Reporting Person that was outstanding immediately prior to the Effective Time fully vested and settled in the number of shares of common stock, par value $0.01 per share,"},{"field":"shares","element":"transactionShares","label":"F2","text":"(Continued from footnote 1) of the Company covered by such award and (ii) each performance stock unit (\"PSU\") of the Company held by the Reporting Person that was outstanding immediately prior to the Effective Time fully vested, was cancelled and automatically converted into the number of shares of common stock, par value $0.01 per share, of the Company covered by such award based on the greater of actual performance and target performance. As such, the number reported consists solely of unrestricted shares of common stock, par value $0.01 per share, of the Company."},{"field":"shares","element":"transactionShares","label":"F5","text":"The Reporting Person's shares of common stock, par value $0.01 per share, of the Company were earned pursuant to the PSUs of the Company granted on February 6, 2024. 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At the effective time of the Merger (the \"Effective Time\"), pursuant to the terms of the Merger Agreement, each (i) restricted stock unit award of the Company held by the Reporting Person that was outstanding immediately prior to the Effective Time fully vested and settled in the number of shares of common stock, par value $0.01 per share,"},{"field":"shares","element":"transactionShares","label":"F2","text":"(Continued from footnote 1) of the Company covered by such award and (ii) each performance stock unit (\"PSU\") of the Company held by the Reporting Person that was outstanding immediately prior to the Effective Time fully vested, was cancelled and automatically converted into the number of shares of common stock, par value $0.01 per share, of the Company covered by such award based on the greater of actual performance and target performance. As such, the number reported consists solely of unrestricted shares of common stock, par value $0.01 per share, of the Company."},{"field":"shares","element":"transactionShares","label":"F3","text":"The Reporting Person's shares of common stock, par value $0.01 per share, of the Company were earned pursuant to the PSUs of the Company granted on February 7, 2023. The Compensation Committee of the Board of Directors certified the results on 01/13/2025, which resulted in 123.20% of the common stock being paid out for each of the PSUs at the Effective Time."}],"balance_after":8164,"source":{"system":"sec-edgar","filing":"0000950170-25-006387","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2052440/000095017025006387/ownership.xml","form_type":"4"}},{"id":1301379,"issuer":{"id":3899,"kind":"organization","name":"Core Natural Resources, Inc."},"owners":[{"id":56813,"kind":"person","name":"Klein Rosemary L","position":1,"cik":"0001310202","reported_name":"Klein Rosemary L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, CLO & Corp. 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At the effective time of the Merger (the \"Effective Time\"), pursuant to the Merger Agreement, each issued and outstanding share of Class A common stock, par value $0.01 per share, of Arch held by the Reporting Person automatically converted into the right to receive 1.326 shares of common stock, par value $0.01 per share, of the Company. In addition, at the Effective Time,"},{"field":"shares","element":"transactionShares","label":"F2","text":"(Continued from footnote 1) each restricted stock unit award and performance-based restricted stock unit award of Arch held by the Reporting Person that was outstanding immediately prior to the Effective Time fully vested, was cancelled and automatically converted into shares of common stock, par value $0.01 per share, of the Company in accordance with the terms of the Merger Agreement, subject to applicable tax withholdings. 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