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These shares were sold in multiple transactions at prices ranging from $27.11 to $27.14, inclusive. The reporting person undertakes to provide to HCC, any security holder of HCC, or\nthe staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within this range"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 5,811 shares of restricted stock granted to the reporting person on April 20, 2016 under the Warrior Met Coal, Inc. 2016 Equity Incentive Plan, which vest in equal installments on April 20, 2020 and April 20, 2021."}],"balance_after":5811,"source":{"system":"sec-edgar","filing":"0001247524-19-000263","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1691303/000124752419000263/edgar.xml","form_type":"4"}},{"id":3499031,"issuer":{"id":3831,"kind":"organization","name":"WARRIOR MET COAL, INC."},"owners":[{"id":20843,"kind":"person","name":"Chopin Brian M","position":1,"cik":"0001642193","reported_name":"Chopin Brian M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2019-06-06T21:48:39.000Z","date":"2019-06-04","kind":"sale","acquired":false,"shares":1068,"price":27.13,"value":28974.84,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 9, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.11 to $27.14, inclusive. The reporting person undertakes to provide to HCC, any security holder of HCC, or\nthe staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within this range"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 5,811 shares of restricted stock granted to the reporting person on April 20, 2016 under the Warrior Met Coal, Inc. 2016 Equity Incentive Plan, which vest in equal installments on April 20, 2020 and April 20, 2021."}],"balance_after":5811,"source":{"system":"sec-edgar","filing":"0001247524-19-000262","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1691303/000124752419000262/edgar.xml","form_type":"4"}},{"id":3502561,"issuer":{"id":3831,"kind":"organization","name":"WARRIOR MET COAL, INC."},"owners":[{"id":20843,"kind":"person","name":"Chopin Brian M","position":1,"cik":"0001642193","reported_name":"Chopin Brian M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Restricted Stock Units","published_at":"2019-06-04T23:39:56.000Z","date":"2019-06-01","kind":"exercise","acquired":false,"shares":1512,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"The restricted stock units were granted under the Warrior Met Coal, Inc. 2017 Equity Incentive Plan and were fully vested as of June 1, 2017, the date of grant. The units will settle in shares of common stock of Warrior Met Coal, Inc. on a one-for-one basis on the earliest of (i) one-third on each of the first three anniversaries of the date of grant; (ii) a change of control; (iii) the reporting person's separation from service with Warrior Met Coal, Inc. or its affiliates; or (iv) death of the reporting person."},{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the settlement of restricted stock units, which settle into shares of common stock of Warrior Met Coal, Inc. on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The restricted stock units were granted under the Warrior Met Coal, Inc. 2017 Equity Incentive Plan and were fully vested as of June 1, 2017, the date of grant. The units will settle in shares of common stock of Warrior Met Coal, Inc. on a one-for-one basis on the earliest of (i) one-third on each of the first three anniversaries of the date of grant; (ii) a change of control; (iii) the reporting person's separation from service with Warrior Met Coal, Inc. or its affiliates; or (iv) death of the reporting person."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The restricted stock units were granted under the Warrior Met Coal, Inc. 2017 Equity Incentive Plan and were fully vested as of June 1, 2017, the date of grant. The units will settle in shares of common stock of Warrior Met Coal, Inc. on a one-for-one basis on the earliest of (i) one-third on each of the first three anniversaries of the date of grant; (ii) a change of control; (iii) the reporting person's separation from service with Warrior Met Coal, Inc. or its affiliates; or (iv) death of the reporting person."}],"balance_after":1515,"derivative":{"underlying":"Common Stock","underlying_shares":1512},"source":{"system":"sec-edgar","filing":"0001247524-19-000258","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1691303/000124752419000258/edgar.xml","form_type":"4"}},{"id":3502560,"issuer":{"id":3831,"kind":"organization","name":"WARRIOR MET COAL, INC."},"owners":[{"id":20843,"kind":"person","name":"Chopin Brian M","position":1,"cik":"0001642193","reported_name":"Chopin Brian M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2019-06-04T23:39:56.000Z","date":"2019-06-01","kind":"tax_withholding","acquired":false,"shares":444,"price":25.81,"value":11459.64,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Represents the withholding of shares for tax purposes."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 5,811 shares of restricted stock granted to the reporting person on April 20, 2016 under the Warrior Met Coal, Inc. 2016 Equity Incentive Plan, which vest in equal installments on April 20, 2020 and April 20, 2021."}],"balance_after":6879,"source":{"system":"sec-edgar","filing":"0001247524-19-000258","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1691303/000124752419000258/edgar.xml","form_type":"4"}},{"id":3502559,"issuer":{"id":3831,"kind":"organization","name":"WARRIOR MET COAL, INC."},"owners":[{"id":20843,"kind":"person","name":"Chopin Brian M","position":1,"cik":"0001642193","reported_name":"Chopin Brian M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2019-06-04T23:39:56.000Z","date":"2019-06-01","kind":"exercise","acquired":true,"shares":1512,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents the settlement of restricted stock units, which settle into shares of common stock of Warrior Met Coal, Inc. on a one-for-one basis."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 5,811 shares of restricted stock granted to the reporting person on April 20, 2016 under the Warrior Met Coal, Inc. 2016 Equity Incentive Plan, which vest in equal installments on April 20, 2020 and April 20, 2021."}],"balance_after":7323,"source":{"system":"sec-edgar","filing":"0001247524-19-000258","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1691303/000124752419000258/edgar.xml","form_type":"4"}},{"id":3513558,"issuer":{"id":3831,"kind":"organization","name":"WARRIOR MET COAL, INC."},"owners":[{"id":20843,"kind":"person","name":"Chopin Brian M","position":1,"cik":"0001642193","reported_name":"Chopin Brian M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2019-05-23T22:01:23.000Z","date":"2019-05-13","kind":"sale","acquired":false,"shares":5172,"price":27.44,"value":141919.68,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.36 to $27.53, inclusive. The reporting person undertakes to provide to HCC, any security holder of HCC, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within this range."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 5,811 shares of restricted stock granted to the reporting person on April 20, 2016 under the Warrior Met Coal, Inc. 2016 Equity Incentive Plan, which vest in equal installments on April 20, 2020 and April 20, 2021."}],"balance_after":5811,"source":{"system":"sec-edgar","filing":"0001247524-19-000250","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1691303/000124752419000250/edgar.xml","form_type":"4"}},{"id":3513557,"issuer":{"id":3831,"kind":"organization","name":"WARRIOR MET COAL, INC."},"owners":[{"id":20843,"kind":"person","name":"Chopin Brian M","position":1,"cik":"0001642193","reported_name":"Chopin Brian M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2019-05-23T22:01:23.000Z","date":"2019-05-13","kind":"sale","acquired":false,"shares":3157,"price":27.37,"value":86407.09,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents a weighted average price. 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The reporting person undertakes to provide to HCC, any security holder of HCC, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within this range."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 5,811 shares of restricted stock granted to the reporting person on April 20, 2016 under the Warrior Met Coal, Inc. 2016 Equity Incentive Plan, which vest in equal installments on April 20, 2020 and April 20, 2021."}],"balance_after":10983,"source":{"system":"sec-edgar","filing":"0001247524-19-000250","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1691303/000124752419000250/edgar.xml","form_type":"4"}},{"id":3551090,"issuer":{"id":3831,"kind":"organization","name":"WARRIOR MET COAL, INC."},"owners":[{"id":20843,"kind":"person","name":"Chopin Brian M","position":1,"cik":"0001642193","reported_name":"Chopin Brian M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2019-04-24T00:40:54.000Z","date":"2019-04-20","kind":"tax_withholding","acquired":false,"shares":853,"price":30.88,"value":26340.64,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the withholding of shares for tax purposes."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 5,811 shares of restricted stock granted to the reporting person on April 20, 2016 under the Warrior Met Coal, Inc. 2016 Equity Incentive Plan, which vest in equal installments on April 20, 2020 and April 20, 2021."}],"balance_after":14140,"source":{"system":"sec-edgar","filing":"0001247524-19-000210","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1691303/000124752419000210/edgar.xml","form_type":"4"}}],"next_cursor":"2019-04-24T00:40:54.000000Z,3551090"}