{"transactions":[{"id":797204,"issuer":{"id":3257,"kind":"organization","name":"CF Industries Holdings, Inc."},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.01 per share","published_at":"2026-04-30T17:04:25.000Z","date":"2026-04-28","kind":"grant","planned":false,"acquired":true,"shares":1390,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":27336,"source":{"system":"sec-edgar","filing":"0001104659-26-053142","document":"tm2613162-9_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000110465926053142/tm2613162-9_4seq1.xml","form_type":"4"}},{"id":1155339,"issuer":{"id":3257,"kind":"organization","name":"CF Industries Holdings, Inc."},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.01 per share","published_at":"2025-05-08T16:17:37.000Z","date":"2025-05-06","kind":"grant","planned":false,"acquired":true,"shares":2074,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":25946,"source":{"system":"sec-edgar","filing":"0001104659-25-046133","document":"tm2514413-4_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000110465925046133/tm2514413-4_4seq1.xml","form_type":"4"}},{"id":1537927,"issuer":{"id":3257,"kind":"organization","name":"CF Industries Holdings, Inc."},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.01 per share","published_at":"2024-04-22T20:09:03.000Z","date":"2024-04-18","kind":"grant","planned":false,"acquired":true,"shares":2010,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":23872,"source":{"system":"sec-edgar","filing":"0001104659-24-050159","document":"tm2412420-5_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000110465924050159/tm2412420-5_4seq1.xml","form_type":"4"}},{"id":1587640,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2024-03-08T13:20:12.000Z","date":"2024-03-08","kind":"sale","planned":false,"acquired":false,"shares":12609,"price":186.22,"value":2348047.98,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Mr. Eaves continues to satisfy the Company's stock ownership guidelines via his other equity interests following this transaction."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $186.00 to $186.72."}],"balance_after":124116,"source":{"system":"sec-edgar","filing":"0000950170-24-028501","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000095017024028501/ownership.xml","form_type":"4"}},{"id":1587639,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2024-03-08T13:20:12.000Z","date":"2024-03-07","kind":"sale","planned":false,"acquired":false,"shares":582,"price":187.14,"value":108915.48,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Mr. Eaves continues to satisfy the Company's stock ownership guidelines via his other equity interests following this transaction."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $187.08 to $187.20."}],"balance_after":136725,"source":{"system":"sec-edgar","filing":"0000950170-24-028501","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000095017024028501/ownership.xml","form_type":"4"}},{"id":1587638,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2024-03-08T13:20:12.000Z","date":"2024-03-07","kind":"sale","planned":false,"acquired":false,"shares":24285,"price":186.16,"value":4520895.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Mr. Eaves continues to satisfy the Company's stock ownership guidelines via his other equity interests following this transaction."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $185.88 to $186.81."}],"balance_after":137307,"source":{"system":"sec-edgar","filing":"0000950170-24-028501","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000095017024028501/ownership.xml","form_type":"4"}},{"id":1587637,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2024-03-08T13:20:12.000Z","date":"2024-03-07","kind":"sale","planned":false,"acquired":false,"shares":16460,"price":185.47,"value":3052836.2,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Mr. Eaves continues to satisfy the Company's stock ownership guidelines via his other equity interests following this transaction."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $184.88 to $185.87."}],"balance_after":161592,"source":{"system":"sec-edgar","filing":"0000950170-24-028501","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000095017024028501/ownership.xml","form_type":"4"}},{"id":1587636,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2024-03-08T13:20:12.000Z","date":"2024-03-07","kind":"sale","planned":false,"acquired":false,"shares":22951,"price":184.07,"value":4224590.57,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Mr. Eaves continues to satisfy the Company's stock ownership guidelines via his other equity interests following this transaction."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $183.74 to $184.69."}],"balance_after":178052,"source":{"system":"sec-edgar","filing":"0000950170-24-028501","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000095017024028501/ownership.xml","form_type":"4"}},{"id":1587635,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2024-03-08T13:20:12.000Z","date":"2024-03-07","kind":"sale","planned":false,"acquired":false,"shares":8668,"price":183.45,"value":1590144.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Mr. Eaves continues to satisfy the Company's stock ownership guidelines via his other equity interests following this transaction."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $182.74 to $183.73."}],"balance_after":201003,"source":{"system":"sec-edgar","filing":"0000950170-24-028501","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000095017024028501/ownership.xml","form_type":"4"}},{"id":1616687,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Restricted Stock Units","published_at":"2024-02-27T13:34:48.000Z","date":"2024-02-25","kind":"exercise","planned":false,"acquired":false,"shares":3584,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The restricted stock units are fully vested."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The restricted stock units are fully vested."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":3584},"source":{"system":"sec-edgar","filing":"0000950170-24-020879","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000095017024020879/ownership.xml","form_type":"4"}},{"id":1616686,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2024-02-27T13:34:48.000Z","date":"2024-02-26","kind":"tax_withholding","planned":false,"acquired":false,"shares":8625,"price":169.54,"value":1462282.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations."}],"balance_after":209671,"source":{"system":"sec-edgar","filing":"0000950170-24-020879","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000095017024020879/ownership.xml","form_type":"4"}},{"id":1616685,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2024-02-27T13:34:48.000Z","date":"2024-02-25","kind":"grant","planned":false,"acquired":true,"shares":19258,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents an award of Performance Stock Units originally granted to the reporting person on February 25, 2021.  On February 21, 2024, the Issuer's Board of Directors determined that the performance condition[s] with respect to such award had been satisified, resulting in the vesting of the shares of Common Stock reported herein."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."}],"balance_after":218296,"source":{"system":"sec-edgar","filing":"0000950170-24-020879","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000095017024020879/ownership.xml","form_type":"4"}},{"id":1616684,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2024-02-27T13:34:48.000Z","date":"2024-02-25","kind":"exercise","planned":false,"acquired":true,"shares":3584,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."}],"balance_after":199038,"source":{"system":"sec-edgar","filing":"0000950170-24-020879","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000095017024020879/ownership.xml","form_type":"4"}},{"id":1626066,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Restricted Stock Units","published_at":"2024-02-22T15:06:03.000Z","date":"2024-02-21","kind":"grant","planned":false,"acquired":true,"shares":3100,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The restricted stock units vest in three equal annual installments beginning on the first anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The restricted stock units vest in three equal annual installments beginning on the first anniversary of the grant date."}],"balance_after":3100,"derivative":{"underlying":"Class A Common Stock","underlying_shares":3100},"source":{"system":"sec-edgar","filing":"0000950170-24-018679","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000095017024018679/ownership.xml","form_type":"4"}},{"id":1646923,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Restricted Stock Units","published_at":"2024-02-13T12:58:09.000Z","date":"2024-02-10","kind":"exercise","planned":false,"acquired":false,"shares":1800,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The restricted stock units are fully vested."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The restricted stock units are fully vested."}],"balance_after":1800,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1800},"source":{"system":"sec-edgar","filing":"0000950170-24-014368","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000095017024014368/ownership.xml","form_type":"4"}},{"id":1646922,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Restricted Stock Units","published_at":"2024-02-13T12:58:09.000Z","date":"2024-02-09","kind":"exercise","planned":false,"acquired":false,"shares":1200,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The restricted stock units are fully vested."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The restricted stock units are fully vested."}],"balance_after":2400,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1200},"source":{"system":"sec-edgar","filing":"0000950170-24-014368","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000095017024014368/ownership.xml","form_type":"4"}},{"id":1646921,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2024-02-13T12:58:09.000Z","date":"2024-02-12","kind":"tax_withholding","planned":false,"acquired":false,"shares":439,"price":171.27,"value":75187.53,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations."}],"balance_after":195454,"source":{"system":"sec-edgar","filing":"0000950170-24-014368","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000095017024014368/ownership.xml","form_type":"4"}},{"id":1646920,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2024-02-13T12:58:09.000Z","date":"2024-02-10","kind":"exercise","planned":false,"acquired":true,"shares":1800,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."}],"balance_after":195893,"source":{"system":"sec-edgar","filing":"0000950170-24-014368","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000095017024014368/ownership.xml","form_type":"4"}},{"id":1646919,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2024-02-13T12:58:09.000Z","date":"2024-02-09","kind":"tax_withholding","planned":false,"acquired":false,"shares":320,"price":168.68,"value":53977.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations."}],"balance_after":194093,"source":{"system":"sec-edgar","filing":"0000950170-24-014368","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000095017024014368/ownership.xml","form_type":"4"}},{"id":1646918,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2024-02-13T12:58:09.000Z","date":"2024-02-09","kind":"exercise","planned":false,"acquired":true,"shares":1200,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."}],"balance_after":194413,"source":{"system":"sec-edgar","filing":"0000950170-24-014368","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000095017024014368/ownership.xml","form_type":"4"}},{"id":1760037,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Restricted Stock Units","published_at":"2023-10-16T18:08:33.000Z","date":"2023-10-13","kind":"exercise","planned":false,"acquired":false,"shares":10100,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The restricted stock units are fully vested."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The restricted stock units are fully vested."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":10100},"source":{"system":"sec-edgar","filing":"0001209191-23-052893","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919123052893/doc4.xml","form_type":"4"}},{"id":1760036,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2023-10-16T18:08:33.000Z","date":"2023-10-13","kind":"tax_withholding","planned":false,"acquired":false,"shares":3975,"price":154.48,"value":614058.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations."}],"balance_after":193213,"source":{"system":"sec-edgar","filing":"0001209191-23-052893","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919123052893/doc4.xml","form_type":"4"}},{"id":1760035,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2023-10-16T18:08:33.000Z","date":"2023-10-13","kind":"exercise","planned":false,"acquired":true,"shares":10100,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."}],"balance_after":197188,"source":{"system":"sec-edgar","filing":"0001209191-23-052893","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919123052893/doc4.xml","form_type":"4"}},{"id":1903228,"issuer":{"id":3257,"kind":"organization","name":"CF Industries Holdings, Inc."},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.01 per share","published_at":"2023-05-05T16:10:23.000Z","date":"2023-05-03","kind":"grant","planned":false,"acquired":true,"shares":2167,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":21862,"source":{"system":"sec-edgar","filing":"0001104659-23-056534","document":"tm2314765-7_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000110465923056534/tm2314765-7_4seq1.xml","form_type":"4"}},{"id":1987861,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Restricted Stock Units","published_at":"2023-02-28T17:27:49.000Z","date":"2023-02-27","kind":"exercise","acquired":false,"shares":12367,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The restricted stock units are fully vested."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The restricted stock units are fully vested."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":12367},"source":{"system":"sec-edgar","filing":"0001209191-23-013794","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919123013794/doc4.xml","form_type":"4"}},{"id":1987860,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Restricted Stock Units","published_at":"2023-02-28T17:27:49.000Z","date":"2023-02-25","kind":"exercise","acquired":false,"shares":3583,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The restricted stock units are fully vested."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The restricted stock units are fully vested."}],"balance_after":3584,"derivative":{"underlying":"Class A Common Stock","underlying_shares":3583},"source":{"system":"sec-edgar","filing":"0001209191-23-013794","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919123013794/doc4.xml","form_type":"4"}},{"id":1987859,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2023-02-28T17:27:49.000Z","date":"2023-02-27","kind":"tax_withholding","acquired":false,"shares":32240,"price":152.62,"value":4920468.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations."}],"balance_after":187088,"source":{"system":"sec-edgar","filing":"0001209191-23-013794","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919123013794/doc4.xml","form_type":"4"}},{"id":1987858,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2023-02-28T17:27:49.000Z","date":"2023-02-27","kind":"grant","acquired":true,"shares":69562,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents an award of Performance Stock Units originally granted to the reporting person on February 27, 2020.  On February 9, 2023, the Issuer's Board of Directors determined that the performance conditions with respect to such award had been satisfied, resulting in the vesting of the shares of Common Stock reported herein."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."}],"balance_after":219328,"source":{"system":"sec-edgar","filing":"0001209191-23-013794","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919123013794/doc4.xml","form_type":"4"}},{"id":1987857,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2023-02-28T17:27:49.000Z","date":"2023-02-27","kind":"exercise","acquired":true,"shares":12367,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."}],"balance_after":149766,"source":{"system":"sec-edgar","filing":"0001209191-23-013794","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919123013794/doc4.xml","form_type":"4"}},{"id":1987856,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2023-02-28T17:27:49.000Z","date":"2023-02-27","kind":"tax_withholding","acquired":false,"shares":1410,"price":152.62,"value":215194.2,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations."}],"balance_after":137399,"source":{"system":"sec-edgar","filing":"0001209191-23-013794","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919123013794/doc4.xml","form_type":"4"}},{"id":1987855,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2023-02-28T17:27:49.000Z","date":"2023-02-25","kind":"exercise","acquired":true,"shares":3583,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."}],"balance_after":138809,"source":{"system":"sec-edgar","filing":"0001209191-23-013794","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919123013794/doc4.xml","form_type":"4"}},{"id":2020538,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Restricted Stock Units","published_at":"2023-02-13T17:20:34.000Z","date":"2023-02-10","kind":"exercise","acquired":false,"shares":1800,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The restricted stock units are fully vested."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The restricted stock units are fully vested."}],"balance_after":3600,"derivative":{"underlying":"Class A Common","underlying_shares":1800},"source":{"system":"sec-edgar","filing":"0001209191-23-008812","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919123008812/doc4.xml","form_type":"4"}},{"id":2020537,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Restricted Stock Units","published_at":"2023-02-13T17:20:34.000Z","date":"2023-02-09","kind":"grant","acquired":true,"shares":3600,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The restricted stock units vest in three equal annual installments beginning on the first anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The restricted stock units vest in three equal annual installments beginning on the first anniversary of the grant date."}],"balance_after":3600,"derivative":{"underlying":"Class A Common Stock","underlying_shares":3600},"source":{"system":"sec-edgar","filing":"0001209191-23-008812","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919123008812/doc4.xml","form_type":"4"}},{"id":2020536,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2023-02-13T17:20:34.000Z","date":"2023-02-10","kind":"tax_withholding","acquired":false,"shares":467,"price":142.49,"value":66542.83,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were withheld by the Company to satisfy the reporting person's associated tax withholding obligations."}],"balance_after":135226,"source":{"system":"sec-edgar","filing":"0001209191-23-008812","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919123008812/doc4.xml","form_type":"4"}},{"id":2020535,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2023-02-13T17:20:34.000Z","date":"2023-02-10","kind":"exercise","acquired":true,"shares":1800,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."}],"balance_after":135693,"source":{"system":"sec-edgar","filing":"0001209191-23-008812","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919123008812/doc4.xml","form_type":"4"}},{"id":2136544,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Restricted Stock Units","published_at":"2022-10-17T12:32:16.000Z","date":"2022-10-13","kind":"exercise","acquired":false,"shares":10100,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The restricted stock units are fully vested."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The restricted stock units are fully vested."}],"balance_after":10100,"derivative":{"underlying":"Class A Common Stock","underlying_shares":10100},"source":{"system":"sec-edgar","filing":"0001209191-22-053748","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919122053748/doc4.xml","form_type":"4"}},{"id":2136543,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2022-10-17T12:32:16.000Z","date":"2022-10-13","kind":"tax_withholding","acquired":false,"shares":3975,"price":137.82,"value":547834.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations."}],"balance_after":133893,"source":{"system":"sec-edgar","filing":"0001209191-22-053748","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919122053748/doc4.xml","form_type":"4"}},{"id":2136542,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2022-10-17T12:32:16.000Z","date":"2022-10-13","kind":"exercise","acquired":true,"shares":10100,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."}],"balance_after":137868,"source":{"system":"sec-edgar","filing":"0001209191-22-053748","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919122053748/doc4.xml","form_type":"4"}},{"id":2273844,"issuer":{"id":3257,"kind":"organization","name":"CF Industries Holdings, Inc."},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.01 per share","published_at":"2022-05-12T20:18:08.000Z","date":"2022-05-11","kind":"grant","acquired":true,"shares":1569,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":19695,"source":{"system":"sec-edgar","filing":"0001104659-22-059674","document":"tm2215451-6_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000110465922059674/tm2215451-6_4seq1.xml","form_type":"4"}},{"id":2366264,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Restricted Stock Units","published_at":"2022-03-01T16:37:20.000Z","date":"2022-02-27","kind":"exercise","acquired":false,"shares":12366,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The restricted stock units are fully vested."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The restricted stock units are fully vested."}],"balance_after":12368,"derivative":{"underlying":"Class A Common","underlying_shares":12366},"source":{"system":"sec-edgar","filing":"0001209191-22-014046","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919122014046/doc4.xml","form_type":"4"}},{"id":2366263,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Restricted Stock Units","published_at":"2022-03-01T16:37:20.000Z","date":"2022-02-25","kind":"exercise","acquired":false,"shares":3583,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The restricted stock units are fully vested."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The restricted stock units are fully vested."}],"balance_after":7167,"derivative":{"underlying":"Class A Common Stock","underlying_shares":3583},"source":{"system":"sec-edgar","filing":"0001209191-22-014046","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919122014046/doc4.xml","form_type":"4"}},{"id":2366262,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2022-03-01T16:37:20.000Z","date":"2022-02-27","kind":"tax_withholding","acquired":false,"shares":4867,"price":116.55,"value":567248.85,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations."}],"balance_after":127768,"source":{"system":"sec-edgar","filing":"0001209191-22-014046","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919122014046/doc4.xml","form_type":"4"}},{"id":2366261,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2022-03-01T16:37:20.000Z","date":"2022-02-27","kind":"exercise","acquired":true,"shares":12366,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."}],"balance_after":132635,"source":{"system":"sec-edgar","filing":"0001209191-22-014046","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919122014046/doc4.xml","form_type":"4"}},{"id":2366260,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2022-03-01T16:37:20.000Z","date":"2022-02-25","kind":"tax_withholding","acquired":false,"shares":1305,"price":116.55,"value":152097.75,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations."}],"balance_after":120269,"source":{"system":"sec-edgar","filing":"0001209191-22-014046","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919122014046/doc4.xml","form_type":"4"}},{"id":2366259,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2022-03-01T16:37:20.000Z","date":"2022-02-25","kind":"exercise","acquired":true,"shares":3583,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."}],"balance_after":121574,"source":{"system":"sec-edgar","filing":"0001209191-22-014046","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919122014046/doc4.xml","form_type":"4"}},{"id":2398883,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Restricted Stock Units","published_at":"2022-02-14T10:24:18.000Z","date":"2022-02-10","kind":"grant","acquired":true,"shares":5400,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The restricted stock units vest in three equal annual installments beginning on the first anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The restricted stock units vest in three equal annual installments beginning on the first anniversary of the grant date."}],"balance_after":5400,"derivative":{"underlying":"Class A Common Stock","underlying_shares":5400},"source":{"system":"sec-edgar","filing":"0001209191-22-009071","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919122009071/doc4.xml","form_type":"4"}},{"id":2533955,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Restricted Stock Units","published_at":"2021-10-27T13:04:39.000Z","date":"2021-10-25","kind":"exercise","acquired":false,"shares":19350,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The restricted stock units are fully vested."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The restricted stock units are fully vested."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":19350},"source":{"system":"sec-edgar","filing":"0001209191-21-061771","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919121061771/doc4.xml","form_type":"4"}},{"id":2533954,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Restricted Stock Units","published_at":"2021-10-27T13:04:39.000Z","date":"2021-10-25","kind":"exercise","acquired":false,"shares":8125,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The restricted stock units are fully vested."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The restricted stock units are fully vested."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stpcl","underlying_shares":8125},"source":{"system":"sec-edgar","filing":"0001209191-21-061771","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919121061771/doc4.xml","form_type":"4"}},{"id":2533953,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2021-10-27T13:04:39.000Z","date":"2021-10-25","kind":"tax_withholding","acquired":false,"shares":7615,"price":97.1,"value":739416.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations."}],"balance_after":117991,"source":{"system":"sec-edgar","filing":"0001209191-21-061771","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919121061771/doc4.xml","form_type":"4"}},{"id":2533952,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2021-10-27T13:04:39.000Z","date":"2021-10-25","kind":"exercise","acquired":true,"shares":19350,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."}],"balance_after":125606,"source":{"system":"sec-edgar","filing":"0001209191-21-061771","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919121061771/doc4.xml","form_type":"4"}},{"id":2533951,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2021-10-27T13:04:39.000Z","date":"2021-10-25","kind":"tax_withholding","acquired":false,"shares":3198,"price":97.1,"value":310525.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations."}],"balance_after":106256,"source":{"system":"sec-edgar","filing":"0001209191-21-061771","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919121061771/doc4.xml","form_type":"4"}},{"id":2533950,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2021-10-27T13:04:39.000Z","date":"2021-10-25","kind":"exercise","acquired":true,"shares":8125,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."}],"balance_after":109454,"source":{"system":"sec-edgar","filing":"0001209191-21-061771","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919121061771/doc4.xml","form_type":"4"}},{"id":2542659,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Restricted Stock Units","published_at":"2021-10-14T12:20:13.000Z","date":"2021-10-13","kind":"grant","acquired":true,"shares":20200,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The restricted stock units vest as follows:  10,100 on October 13, 2022 and 10,100 on October 13, 2023."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The restricted stock units vest as follows:  10,100 on October 13, 2022 and 10,100 on October 13, 2023."}],"balance_after":20200,"derivative":{"underlying":"Class A Common Stock","underlying_shares":20200},"source":{"system":"sec-edgar","filing":"0001209191-21-060446","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919121060446/doc4.xml","form_type":"4"}},{"id":2727895,"issuer":{"id":3257,"kind":"organization","name":"CF Industries Holdings, Inc."},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.01 per share","published_at":"2021-05-05T17:40:48.000Z","date":"2021-05-04","kind":"grant","acquired":true,"shares":3023,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":18126,"source":{"system":"sec-edgar","filing":"0001104659-21-061860","document":"tm2115280-6_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000110465921061860/tm2115280-6_4seq1.xml","form_type":"4"}},{"id":2821626,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Restricted Stock Units","published_at":"2021-03-02T13:06:07.000Z","date":"2021-02-27","kind":"exercise","acquired":false,"shares":12367,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The restricted stock units are fully vested."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The restricted stock units are fully vested."}],"balance_after":24733,"derivative":{"underlying":"Class A Common Stock","underlying_shares":12367},"source":{"system":"sec-edgar","filing":"0001209191-21-015666","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919121015666/doc4.xml","form_type":"4"}},{"id":2821625,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2021-03-02T13:06:07.000Z","date":"2021-02-27","kind":"tax_withholding","acquired":false,"shares":3066,"price":47.92,"value":146922.72,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations."}],"balance_after":101329,"source":{"system":"sec-edgar","filing":"0001209191-21-015666","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919121015666/doc4.xml","form_type":"4"}},{"id":2821624,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2021-03-02T13:06:07.000Z","date":"2021-02-27","kind":"exercise","acquired":true,"shares":12367,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."}],"balance_after":104395,"source":{"system":"sec-edgar","filing":"0001209191-21-015666","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919121015666/doc4.xml","form_type":"4"}},{"id":2830248,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Restricted Stock Units","published_at":"2021-02-26T13:55:13.000Z","date":"2021-02-25","kind":"grant","acquired":true,"shares":10750,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The restricted stock units vest in three equal annual installments beginning on the first anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The restricted stock units vest in three equal annual installments beginning on the first anniversary of the grant date."}],"balance_after":10750,"derivative":{"underlying":"Class A Common Stock","underlying_shares":10750},"source":{"system":"sec-edgar","filing":"0001209191-21-014609","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919121014609/doc4.xml","form_type":"4"}},{"id":2961341,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Restricted Stock Units","published_at":"2020-12-02T15:47:22.000Z","date":"2020-11-30","kind":"disposition_to_issuer","acquired":false,"shares":6516,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"On November 30, 2017, the reporting person received 22,600 restricted stock units that vest on November 30, 2020 based on the volume weighted average price of a share over any period of 45 consecutive days during the three-year performance period.  The award achieved 71.17% of target, resulting in the vesting of 16,084 restricted stock units and the forfeiture of 6,516 restricted stock units."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"On November 30, 2017, the reporting person received 22,600 restricted stock units that vest on November 30, 2020 based on the volume weighted average price of a share over any period of 45 consecutive days during the three-year performance period.  The award achieved 71.17% of target, resulting in the vesting of 16,084 restricted stock units and the forfeiture of 6,516 restricted stock units."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":6516},"source":{"system":"sec-edgar","filing":"0001209191-20-061093","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919120061093/doc4.xml","form_type":"4"}},{"id":2961340,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Restricted Stock Units","published_at":"2020-12-02T15:47:22.000Z","date":"2020-11-30","kind":"exercise","acquired":false,"shares":16084,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"On November 30, 2017, the reporting person received 22,600 restricted stock units that vest on November 30, 2020 based on the volume weighted average price of a share over any period of 45 consecutive days during the three-year performance period.  The award achieved 71.17% of target, resulting in the vesting of 16,084 restricted stock units and the forfeiture of 6,516 restricted stock units."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"On November 30, 2017, the reporting person received 22,600 restricted stock units that vest on November 30, 2020 based on the volume weighted average price of a share over any period of 45 consecutive days during the three-year performance period.  The award achieved 71.17% of target, resulting in the vesting of 16,084 restricted stock units and the forfeiture of 6,516 restricted stock units."}],"balance_after":6516,"derivative":{"underlying":"Class A Common Stock","underlying_shares":16084},"source":{"system":"sec-edgar","filing":"0001209191-20-061093","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919120061093/doc4.xml","form_type":"4"}},{"id":2961339,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Restricted Stock Units","published_at":"2020-12-02T15:47:22.000Z","date":"2020-11-30","kind":"exercise","acquired":false,"shares":22600,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The restricted stock units are fully vested."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The restricted stock units are fully vested."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":22600},"source":{"system":"sec-edgar","filing":"0001209191-20-061093","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919120061093/doc4.xml","form_type":"4"}},{"id":2961338,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2020-12-02T15:47:22.000Z","date":"2020-11-30","kind":"tax_withholding","acquired":false,"shares":6330,"price":33.44,"value":211675.2,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations."}],"balance_after":92028,"source":{"system":"sec-edgar","filing":"0001209191-20-061093","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919120061093/doc4.xml","form_type":"4"}},{"id":2961337,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2020-12-02T15:47:22.000Z","date":"2020-11-30","kind":"exercise","acquired":true,"shares":16084,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."}],"balance_after":98358,"source":{"system":"sec-edgar","filing":"0001209191-20-061093","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919120061093/doc4.xml","form_type":"4"}},{"id":2961336,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2020-12-02T15:47:22.000Z","date":"2020-11-30","kind":"tax_withholding","acquired":false,"shares":8894,"price":33.44,"value":297415.36,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations."}],"balance_after":82274,"source":{"system":"sec-edgar","filing":"0001209191-20-061093","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919120061093/doc4.xml","form_type":"4"}},{"id":2961335,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2020-12-02T15:47:22.000Z","date":"2020-11-30","kind":"exercise","acquired":true,"shares":22600,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."}],"balance_after":91168,"source":{"system":"sec-edgar","filing":"0001209191-20-061093","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919120061093/doc4.xml","form_type":"4"}},{"id":2999449,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Restricted Stock Units","published_at":"2020-10-27T15:57:19.000Z","date":"2020-10-25","kind":"exercise","acquired":false,"shares":4875,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit converts into one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"On 10/25/2018 the reporting person was granted 16,250 restricted stock units that vest as follows:  20% on the first anniversary of the date of grant; 30% on the second anniversary of the date of grant; and 50% on the third anniversary of the date of grant."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"On 10/25/2018 the reporting person was granted 16,250 restricted stock units that vest as follows:  20% on the first anniversary of the date of grant; 30% on the second anniversary of the date of grant; and 50% on the third anniversary of the date of grant."}],"balance_after":8125,"derivative":{"underlying":"Common Stock","underlying_shares":4875},"source":{"system":"sec-edgar","filing":"0001209191-20-055904","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919120055904/doc4.xml","form_type":"4"}},{"id":2999448,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2020-10-27T15:57:19.000Z","date":"2020-10-25","kind":"tax_withholding","acquired":false,"shares":1919,"price":37.34,"value":71655.46,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were sold to satisfy the reporting person's associated tax withholding obligations."}],"balance_after":68568,"source":{"system":"sec-edgar","filing":"0001209191-20-055904","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919120055904/doc4.xml","form_type":"4"}},{"id":2999447,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chairman"}}],"security":"Common Stock","published_at":"2020-10-27T15:57:19.000Z","date":"2020-10-25","kind":"exercise","acquired":true,"shares":4875,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit converts into one share of Class A Common Stock of Arch Resources, Inc. (the \"Company\")."}],"balance_after":70487,"source":{"system":"sec-edgar","filing":"0001209191-20-055904","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919120055904/doc4.xml","form_type":"4"}},{"id":3137732,"issuer":{"id":3257,"kind":"organization","name":"CF Industries Holdings, Inc."},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.01 per share","published_at":"2020-05-22T16:05:52.000Z","date":"2020-05-20","kind":"grant","acquired":true,"shares":4726,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":15103,"source":{"system":"sec-edgar","filing":"0001104659-20-065341","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000110465920065341/a4.xml","form_type":"4"}},{"id":3241813,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Restricted Stock Units","published_at":"2020-02-28T16:08:49.000Z","date":"2020-02-27","kind":"grant","acquired":true,"shares":37100,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Coal, Inc."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The restricted stock units vest in three equal annual installments beginning on the first anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The restricted stock units vest in three equal annual installments beginning on the first anniversary of the grant date."}],"balance_after":37100,"derivative":{"underlying":"Class A Common Stock","underlying_shares":37100},"source":{"system":"sec-edgar","filing":"0001209191-20-013773","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919120013773/doc4.xml","form_type":"4"}},{"id":3359126,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Restricted Stock Units","published_at":"2019-11-26T12:05:54.000Z","date":"2019-11-23","kind":"disposition_to_issuer","acquired":false,"shares":33601,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Coal, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"On November 23, 2016, the reporting person received 85,500 restricted stock units that vested on November 23, 2019 based on the volume weighted average price of a share over any period of 90 consecutive days during the three-year performance period, with 25% of the units vesting if the share price is $65 and 100% of the units vesting if the share price is $125 (subject to straight-line interpolation between these two share prices).  The award achieved 60.7% of target, resulting in the vesting of 51,899 restricted stock units and the forfeiture of 33,601 restricted stock units."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"On November 23, 2016, the reporting person received 85,500 restricted stock units that vested on November 23, 2019 based on the volume weighted average price of a share over any period of 90 consecutive days during the three-year performance period, with 25% of the units vesting if the share price is $65 and 100% of the units vesting if the share price is $125 (subject to straight-line interpolation between these two share prices).  The award achieved 60.7% of target, resulting in the vesting of 51,899 restricted stock units and the forfeiture of 33,601 restricted stock units."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":33601},"source":{"system":"sec-edgar","filing":"0001209191-19-058052","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919119058052/doc4.xml","form_type":"4"}},{"id":3359125,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Restricted Stock Units","published_at":"2019-11-26T12:05:54.000Z","date":"2019-11-23","kind":"exercise","acquired":false,"shares":51899,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Coal, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"On November 23, 2016, the reporting person received 85,500 restricted stock units that vested on November 23, 2019 based on the volume weighted average price of a share over any period of 90 consecutive days during the three-year performance period, with 25% of the units vesting if the share price is $65 and 100% of the units vesting if the share price is $125 (subject to straight-line interpolation between these two share prices).  The award achieved 60.7% of target, resulting in the vesting of 51,899 restricted stock units and the forfeiture of 33,601 restricted stock units."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"On November 23, 2016, the reporting person received 85,500 restricted stock units that vested on November 23, 2019 based on the volume weighted average price of a share over any period of 90 consecutive days during the three-year performance period, with 25% of the units vesting if the share price is $65 and 100% of the units vesting if the share price is $125 (subject to straight-line interpolation between these two share prices).  The award achieved 60.7% of target, resulting in the vesting of 51,899 restricted stock units and the forfeiture of 33,601 restricted stock units."}],"balance_after":33601,"derivative":{"underlying":"Class A Common","underlying_shares":51899},"source":{"system":"sec-edgar","filing":"0001209191-19-058052","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919119058052/doc4.xml","form_type":"4"}},{"id":3359124,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Restricted Stock Units","published_at":"2019-11-26T12:05:54.000Z","date":"2019-11-23","kind":"exercise","acquired":false,"shares":55395,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Coal, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The restricted stock units are fully vested."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The restricted stock units are fully vested."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":55395},"source":{"system":"sec-edgar","filing":"0001209191-19-058052","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919119058052/doc4.xml","form_type":"4"}},{"id":3359123,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2019-11-26T12:05:54.000Z","date":"2019-11-23","kind":"tax_withholding","acquired":false,"shares":23225,"price":74.81,"value":1737462.25,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations."}],"balance_after":65612,"source":{"system":"sec-edgar","filing":"0001209191-19-058052","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919119058052/doc4.xml","form_type":"4"}},{"id":3359122,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2019-11-26T12:05:54.000Z","date":"2019-11-23","kind":"exercise","acquired":true,"shares":51899,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Coal, Inc. (the \"Company\")."}],"balance_after":88837,"source":{"system":"sec-edgar","filing":"0001209191-19-058052","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919119058052/doc4.xml","form_type":"4"}},{"id":3359121,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2019-11-26T12:05:54.000Z","date":"2019-11-23","kind":"tax_withholding","acquired":false,"shares":23934,"price":74.81,"value":1790502.54,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were withheld by the Company to satisfy the reporting person's tax withholding obligations."}],"balance_after":36938,"source":{"system":"sec-edgar","filing":"0001209191-19-058052","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919119058052/doc4.xml","form_type":"4"}},{"id":3359120,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2019-11-26T12:05:54.000Z","date":"2019-11-23","kind":"exercise","acquired":true,"shares":55395,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Coal, Inc. (the \"Company\")."}],"balance_after":60872,"source":{"system":"sec-edgar","filing":"0001209191-19-058052","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919119058052/doc4.xml","form_type":"4"}},{"id":3386619,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Restricted Stock Units","published_at":"2019-10-29T11:14:19.000Z","date":"2019-10-25","kind":"exercise","acquired":true,"shares":3250,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit converts into one share of Class A Common Stock of Arch Coal, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"On 10/25/2018 the reporting person was granted 16,250 restricted stock units that vest as follows:  20% on the first anniversary of the date of grant; 30% on the second anniversary of the date of grant; and 50% on the third anniversary of the date of grant."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"On 10/25/2018 the reporting person was granted 16,250 restricted stock units that vest as follows:  20% on the first anniversary of the date of grant; 30% on the second anniversary of the date of grant; and 50% on the third anniversary of the date of grant."}],"balance_after":13000,"derivative":{"underlying":"Common Stock","underlying_shares":3250},"source":{"system":"sec-edgar","filing":"0001209191-19-054306","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919119054306/doc4.xml","form_type":"4"}},{"id":3386618,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2019-10-29T11:14:19.000Z","date":"2019-10-28","kind":"sale","acquired":false,"shares":1500,"price":83.47,"value":125205.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares were sold to satisfy the reporting person's associated tax withholding obligations."}],"balance_after":5477,"source":{"system":"sec-edgar","filing":"0001209191-19-054306","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919119054306/doc4.xml","form_type":"4"}},{"id":3386617,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2019-10-29T11:14:19.000Z","date":"2019-10-25","kind":"exercise","acquired":true,"shares":3250,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit converts into one share of Class A Common Stock of Arch Coal, Inc. (the \"Company\")."}],"balance_after":6977,"source":{"system":"sec-edgar","filing":"0001209191-19-054306","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919119054306/doc4.xml","form_type":"4"}},{"id":3533912,"issuer":{"id":3257,"kind":"organization","name":"CF Industries Holdings, Inc."},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.01 per share","published_at":"2019-05-09T19:16:09.000Z","date":"2019-05-08","kind":"grant","acquired":true,"shares":3107,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":10377,"source":{"system":"sec-edgar","filing":"0001104659-19-028331","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000110465919028331/a4.xml","form_type":"4"}},{"id":3753094,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Restricted Stock Units","published_at":"2018-11-26T15:14:17.000Z","date":"2018-11-23","kind":"exercise","acquired":false,"shares":783,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit converts into one share of Class A Common Stock of Arch Coal, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"On November 23, 2016, the reporting person was granted 57,000 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date.  A portion of the restricted stock units vested on November 23, 2018 was converted into shares and withheld by the Company to satisfy the associated tax withholding obligations.  The remaining portion of such vested restricted stock units will convert into shares on the third anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"On November 23, 2016, the reporting person was granted 57,000 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date.  A portion of the restricted stock units vested on November 23, 2018 was converted into shares and withheld by the Company to satisfy the associated tax withholding obligations.  The remaining portion of such vested restricted stock units will convert into shares on the third anniversary of the grant date."}],"balance_after":55395,"derivative":{"underlying":"Class A Common Stock","underlying_shares":783},"source":{"system":"sec-edgar","filing":"0001209191-18-059915","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919118059915/doc4.xml","form_type":"4"}},{"id":3753093,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2018-11-26T15:14:17.000Z","date":"2018-11-23","kind":"tax_withholding","acquired":false,"shares":783,"price":82.12,"value":64299.96,"ownership":{"direct":true},"balance_after":3727,"source":{"system":"sec-edgar","filing":"0001209191-18-059915","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919118059915/doc4.xml","form_type":"4"}},{"id":3753092,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2018-11-26T15:14:17.000Z","date":"2018-11-23","kind":"exercise","acquired":true,"shares":783,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit converts into one share of Class A Common Stock of Arch Coal, Inc. (the \"Company\")."}],"balance_after":4510,"source":{"system":"sec-edgar","filing":"0001209191-18-059915","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919118059915/doc4.xml","form_type":"4"}},{"id":3781790,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Restricted Stock Units","published_at":"2018-10-29T10:52:04.000Z","date":"2018-10-25","kind":"grant","acquired":true,"shares":16250,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Coal, Inc."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The restricted stock units vest as follows: 20% on the first anniversary of the date of grant; 30% on the second anniversary of the date of grant; and 50% on the third anniversary of the date of grant."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The restricted stock units vest as follows: 20% on the first anniversary of the date of grant; 30% on the second anniversary of the date of grant; and 50% on the third anniversary of the date of grant."}],"balance_after":16250,"derivative":{"underlying":"Class A Common","underlying_shares":16250},"source":{"system":"sec-edgar","filing":"0001209191-18-056350","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919118056350/doc4.xml","form_type":"4"}},{"id":3781789,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Restricted Stock Units","published_at":"2018-10-29T10:52:04.000Z","date":"2018-10-25","kind":"grant","acquired":true,"shares":19350,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Coal, Inc."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The restricted stock units vest on October 25, 2021, based on the volume weighted average price of a share over any period of 45 consecutive days (\"45 Day VWAP\") during the three-year performance period."}],"balance_after":19350,"derivative":{"expiration_date":"2021-10-25","underlying":"Class A Common Stock","underlying_shares":19350},"source":{"system":"sec-edgar","filing":"0001209191-18-056350","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919118056350/doc4.xml","form_type":"4"}},{"id":3781788,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Restricted Stock Units","published_at":"2018-10-29T10:52:04.000Z","date":"2018-10-25","kind":"grant","acquired":true,"shares":19350,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Coal, Inc."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The restricted stock units vest on the third anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The restricted stock units vest on the third anniversary of the grant date."}],"balance_after":19350,"derivative":{"underlying":"Class A Common Stock","underlying_shares":19350},"source":{"system":"sec-edgar","filing":"0001209191-18-056350","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919118056350/doc4.xml","form_type":"4"}},{"id":3935289,"issuer":{"id":3257,"kind":"organization","name":"CF Industries Holdings, Inc."},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.01 per share","published_at":"2018-05-14T16:04:27.000Z","date":"2018-05-10","kind":"grant","acquired":true,"shares":3299,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":7270,"source":{"system":"sec-edgar","filing":"0001104659-18-032925","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000110465918032925/a4.xml","form_type":"4"}},{"id":4144681,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Restricted Stock Units","published_at":"2017-12-04T14:16:25.000Z","date":"2017-11-30","kind":"grant","acquired":true,"shares":22600,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Coal, Inc."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The restricted stock units vest on November 30, 2020, based on the volume weighted average price of a share over any period of 45 consecutive days (\"45 Day VWAP\") during the three-year performance period."}],"balance_after":22600,"derivative":{"expiration_date":"2020-11-30","underlying":"Class A Common Stock","underlying_shares":22600},"source":{"system":"sec-edgar","filing":"0001209191-17-063447","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919117063447/doc4.xml","form_type":"4"}},{"id":4144680,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Restricted Stock Units","published_at":"2017-12-04T14:16:25.000Z","date":"2017-11-30","kind":"grant","acquired":true,"shares":22600,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Coal, Inc."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The restricted stock units vest on the third anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The restricted stock units vest on the third anniversary of the grant date."}],"balance_after":22600,"derivative":{"underlying":"Class A Common Stock","underlying_shares":22600},"source":{"system":"sec-edgar","filing":"0001209191-17-063447","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919117063447/doc4.xml","form_type":"4"}},{"id":4151081,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Restricted Stock Units","published_at":"2017-11-27T16:46:40.000Z","date":"2017-11-23","kind":"exercise","acquired":false,"shares":822,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit converts into one share of Class A Common Stock of Arch Coal, Inc. (the \"Company\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"On November 23, 2016, the reporting person was granted 57,000 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date. A portion of the restricted stock units that vested on November 23, 2017 was converted into shares and withheld by the Company to satisfy the associated tax withholding obligations. The remaining portion of such vested restricted stock units will convert into shares on the third anniversary of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"On November 23, 2016, the reporting person was granted 57,000 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date. A portion of the restricted stock units that vested on November 23, 2017 was converted into shares and withheld by the Company to satisfy the associated tax withholding obligations. The remaining portion of such vested restricted stock units will convert into shares on the third anniversary of the grant date."}],"balance_after":56178,"derivative":{"underlying":"Class A Common Stock","underlying_shares":822},"source":{"system":"sec-edgar","filing":"0000950103-17-011577","document":"dp83260_4-eaves.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000095010317011577/dp83260_4-eaves.xml","form_type":"4"}},{"id":4151080,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2017-11-27T16:46:40.000Z","date":"2017-11-23","kind":"tax_withholding","acquired":false,"shares":822,"price":80.67,"value":66310.74,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"On November 23, 2016, the reporting person was granted 57,000 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date. A portion of the restricted stock units that vested on November 23, 2017 was converted into shares and withheld by the Company to satisfy the associated tax withholding obligations. The remaining portion of such vested restricted stock units will convert into shares on the third anniversary of the grant date."}],"balance_after":3727,"source":{"system":"sec-edgar","filing":"0000950103-17-011577","document":"dp83260_4-eaves.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000095010317011577/dp83260_4-eaves.xml","form_type":"4"}},{"id":4151079,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2017-11-27T16:46:40.000Z","date":"2017-11-23","kind":"exercise","acquired":true,"shares":822,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit converts into one share of Class A Common Stock of Arch Coal, Inc. (the \"Company\")."}],"balance_after":4549,"source":{"system":"sec-edgar","filing":"0000950103-17-011577","document":"dp83260_4-eaves.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000095010317011577/dp83260_4-eaves.xml","form_type":"4"}},{"id":4251290,"issuer":{"id":3257,"kind":"organization","name":"CF Industries Holdings, Inc."},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.01 per share","published_at":"2017-07-26T16:08:14.000Z","date":"2017-07-24","kind":"grant","acquired":true,"shares":3971,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":3971,"source":{"system":"sec-edgar","filing":"0001104659-17-047070","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000110465917047070/a4.xml","form_type":"4"}},{"id":4398251,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2017-03-07T10:38:40.000Z","date":"2017-03-03","kind":"sale","acquired":false,"shares":2030,"price":71.42,"value":144982.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold to satisfy the tax withholding obligation arising from the settlement of performance units."}],"balance_after":3727,"source":{"system":"sec-edgar","filing":"0001209191-17-018587","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919117018587/doc4.xml","form_type":"4"}},{"id":4422214,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2017-02-27T12:54:47.000Z","date":"2017-02-23","kind":"grant","acquired":true,"shares":5757,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares issued at a per share price of $73.11 on settlement of performance units granted to the reporting person for the 2014-2016 performance period, that vested based on the level of achievement of the applicable performance conditions."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents shares issued at a per share price of $73.11 on settlement of performance units granted to the reporting person for the 2014-2016 performance period, that vested based on the level of achievement of the applicable performance conditions."}],"balance_after":5757,"source":{"system":"sec-edgar","filing":"0001209191-17-014619","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919117014619/doc4.xml","form_type":"4"}},{"id":4541279,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Restricted Stock Units","published_at":"2016-11-28T15:37:20.000Z","date":"2016-11-23","kind":"grant","acquired":true,"shares":85500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Coal, Inc."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The restricted stock units vest on November 23, 2019 based on the volume weighted average price of a share over any period of 90 consecutive days during the three-year performance period, with 25% of the units vesting if the share price is $65 and 100% of the units vesting if the share price is $125 (subject to straight-line interpolation between these two share prices)."}],"balance_after":85500,"derivative":{"expiration_date":"2019-11-23","underlying":"Class A Common Stock","underlying_shares":85500},"source":{"system":"sec-edgar","filing":"0001209191-16-152148","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919116152148/doc4.xml","form_type":"4"}},{"id":4541278,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Restricted Stock Units","published_at":"2016-11-28T15:37:20.000Z","date":"2016-11-23","kind":"grant","acquired":true,"shares":57000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Arch Coal, Inc."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The restricted stock units vest in three equal annual installments beginning November 23, 2017.  Vested shares are scheduled to be delivered to the reporting person on November 23, 2019."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The restricted stock units vest in three equal annual installments beginning November 23, 2017.  Vested shares are scheduled to be delivered to the reporting person on November 23, 2019."}],"balance_after":57000,"derivative":{"underlying":"Class A Common Stock","underlying_shares":57000},"source":{"system":"sec-edgar","filing":"0001209191-16-152148","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919116152148/doc4.xml","form_type":"4"}},{"id":4582766,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Restricted Stock Units","published_at":"2016-10-07T12:19:52.000Z","date":"2016-10-05","kind":"disposition_to_issuer","acquired":false,"shares":58270,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Represents Restricted Stock Units cancelled for no value on October 5, 2016, the Effective Date of Arch Coal, Inc.'s Fourth Amended Joint Plan of Reorganization and the date on which Arch Coal, Inc. emerged from Chapter 11."},{"field":"shares","element":"transactionShares","label":"F4","text":"Represents Restricted Stock Units cancelled for no value on October 5, 2016, the Effective Date of Arch Coal, Inc.'s Fourth Amended Joint Plan of Reorganization and the date on which Arch Coal, Inc. emerged from Chapter 11."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Represents Restricted Stock Units cancelled for no value on October 5, 2016, the Effective Date of Arch Coal, Inc.'s Fourth Amended Joint Plan of Reorganization and the date on which Arch Coal, Inc. emerged from Chapter 11."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Represents Restricted Stock Units cancelled for no value on October 5, 2016, the Effective Date of Arch Coal, Inc.'s Fourth Amended Joint Plan of Reorganization and the date on which Arch Coal, Inc. emerged from Chapter 11."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":58270},"source":{"system":"sec-edgar","filing":"0001209191-16-145350","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919116145350/doc4.xml","form_type":"4"}},{"id":4582765,"issuer":{"id":84161,"kind":"organization","name":"ARCH RESOURCES, INC.","symbol":"ARCH"},"owners":[{"id":50667,"kind":"person","name":"EAVES JOHN W","position":1,"cik":"0001046080","reported_name":"EAVES JOHN W","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Performance Stock Awards","published_at":"2016-10-07T12:19:52.000Z","date":"2016-10-05","kind":"disposition_to_issuer","acquired":false,"shares":58270,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Represents Performance Stock Awards cancelled for no value on October 5, 2016, the Effective Date of Arch Coal, Inc.'s Fourth Amended Joint Plan of Reorganization and the date on which Arch Coal, Inc. emerged from Chapter 11."},{"field":"shares","element":"transactionShares","label":"F3","text":"Represents Performance Stock Awards cancelled for no value on October 5, 2016, the Effective Date of Arch Coal, Inc.'s Fourth Amended Joint Plan of Reorganization and the date on which Arch Coal, Inc. emerged from Chapter 11."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Represents Performance Stock Awards cancelled for no value on October 5, 2016, the Effective Date of Arch Coal, Inc.'s Fourth Amended Joint Plan of Reorganization and the date on which Arch Coal, Inc. emerged from Chapter 11."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Represents Performance Stock Awards cancelled for no value on October 5, 2016, the Effective Date of Arch Coal, Inc.'s Fourth Amended Joint Plan of Reorganization and the date on which Arch Coal, Inc. emerged from Chapter 11."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":58270},"source":{"system":"sec-edgar","filing":"0001209191-16-145350","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1046080/000120919116145350/doc4.xml","form_type":"4"}}],"next_cursor":"2016-10-07T12:19:52.000000Z,4582765"}