{"transactions":[{"id":4621541,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":20302,"kind":"person","name":"Plaumann Mark Lawrence","position":1,"cik":"0001290795","reported_name":"Plaumann Mark Lawrence","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-09-17T20:50:18.000Z","date":"2026-09-16","kind":"purchase","planned":false,"acquired":true,"shares":5000,"price":3,"value":15000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices within a range. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Of the shares reported herein, 2,100 shares are held in a Roth IRA and 2,900 shares are held in a traditional IRA, each for the benefit of the Reporting Person."}],"balance_after":5000,"source":{"system":"sec-edgar","filing":"0001628280-26-062552","document":"wk-form4_1789678216.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1679268/000162828026062552/wk-form4_1789678216.xml","form_type":"4"}},{"id":720827,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":33843,"kind":"person","name":"Lancaster Phillip","position":1,"cik":"0001336012","reported_name":"Lancaster Phillip","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-07-01T20:56:47.000Z","date":"2026-06-26","kind":"other","planned":false,"acquired":true,"shares":68152,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents an in-kind distribution from MEH SUB LLC, an entity managed by Wexford Capital LP, that does not involve (i) a purchase or a sale of securities or (ii) any additional consideration."}],"balance_after":159445,"source":{"system":"sec-edgar","filing":"0001628280-26-046597","document":"wk-form4_1782939403.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1336012/000162828026046597/wk-form4_1782939403.xml","form_type":"4"}},{"id":730445,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":36323,"kind":"person","name":"Jacobi Paul M.","position":1,"cik":"0001477880","reported_name":"Jacobi Paul M.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2026-06-22T20:42:32.000Z","date":"2026-06-17","kind":"other","planned":false,"acquired":true,"shares":3211,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents an in-kind distribution from MEH SUB LLC, an entity managed by Wexford Capital LP, that does not involve (i) a purchase or a sale of securities or (ii) any additional consideration."}],"balance_after":31067,"source":{"system":"sec-edgar","filing":"0001398344-26-011119","document":"fp0099446-4_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1477880/000139834426011119/fp0099446-4_4.xml","form_type":"4"}},{"id":730852,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":23456,"kind":"person","name":"Amron Arthur H","position":1,"cik":"0001179697","reported_name":"Amron Arthur H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":36460,"kind":"person","name":"Amron Holdings LLC","position":2,"cik":"0002139960","reported_name":"Amron Holdings LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-22T20:32:31.000Z","date":"2026-06-17","kind":"other","planned":false,"acquired":true,"shares":10329,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents an in-kind distribution from MEH SUB LLC, an entity managed by Wexford Capital LP, that does not involve (i) a purchase or a sale of securities or (ii) any additional consideration."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents the common stock of the Issuer held by Amron Holdings LLC (\"Amron Holdings\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Arthur Amron may, by reason of his status as a controlling person of Amron Holdings, be deemed to own beneficially the securities held by Amron Holdings. Mr. Amron holds the power to vote and to dispose of the securities held by Amron Holdings."}],"balance_after":10329,"source":{"system":"sec-edgar","filing":"0001398344-26-011116","document":"fp0099446-3_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1179697/000139834426011116/fp0099446-3_4.xml","form_type":"4"}},{"id":730851,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":23456,"kind":"person","name":"Amron Arthur H","position":1,"cik":"0001179697","reported_name":"Amron Arthur H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":36460,"kind":"person","name":"Amron Holdings LLC","position":2,"cik":"0002139960","reported_name":"Amron Holdings LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-22T20:32:31.000Z","date":"2026-06-17","kind":"other","planned":false,"acquired":true,"shares":19121,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents an in-kind distribution from MEH SUB LLC, an entity managed by Wexford Capital LP, that does not involve (i) a purchase or a sale of securities or (ii) any additional consideration."}],"balance_after":86256,"source":{"system":"sec-edgar","filing":"0001398344-26-011116","document":"fp0099446-3_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1179697/000139834426011116/fp0099446-3_4.xml","form_type":"4"}},{"id":731079,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":21373,"kind":"organization","name":"WEXFORD CAPITAL LP","position":1,"cik":"0001048462","reported_name":"WEXFORD CAPITAL LP","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Business Officer"}},{"id":21374,"kind":"organization","name":"Wexford GP LLC","position":2,"cik":"0001472112","reported_name":"Wexford GP LLC","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Business Officer"}},{"id":21375,"kind":"person","name":"DAVIDSON CHARLES E","position":3,"cik":"0001001391","reported_name":"DAVIDSON CHARLES E","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Business Officer"}},{"id":21376,"kind":"person","name":"JACOBS JOSEPH","position":4,"cik":"0001048485","reported_name":"JACOBS JOSEPH","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2026-06-22T20:26:43.000Z","date":"2026-06-17","kind":"purchase","planned":false,"acquired":true,"shares":4019574,"price":2.6043,"value":10468176.5682,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Represents the common stock of the Issuer held in the aggregate by Wexford Spectrum Trading Limited (\"WST\"), Wexford Catalyst Trading Limited (\"WCT\") and Wexford Focused Trading Limited (\"WFT\", and together with WST and WCT, the \"Wexford Entities\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Wexford Capital may, by reason of its status as (i) sub-advisor of each of WST and WCT and (ii) investment manager of WFT be deemed to own beneficially the securities held by the Wexford Entities. Wexford GP LLC (\"Wexford GP\") may, as the General Partner of Wexford Capital, be deemed to own beneficially the securities held by the Wexford Entities. Each of Charles E. Davidson (\"Davidson\") and Joseph M. Jacobs (\"Jacobs\", and together with the Wexford Entities, Wexford Capital, Wexford GP and Davidson, the \"Reporting Persons\") may, by reason of his status as a controlling person of Wexford GP, be deemed to own beneficially the securities held by the Wexford Entities."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Each of Wexford Capital, Wexford GP, Davidson and Jacobs share the power to vote and to dispose of the securities held by the Wexford Entities. Each of Wexford Capital, Wexford GP, Davidson and Jacobs disclaim beneficial ownership of the securities held by the Wexford Entities and this report shall not be deemed as an admission that they are the beneficial owners of such securities, except to the extent of any pecuniary interests therein. The Reporting Persons may be deemed to be a director and officer of the Issuer by virtue of Paul Jacobi, an employee of Wexford Capital, serving as a director and officer of the Issuer."}],"balance_after":10620789,"source":{"system":"sec-edgar","filing":"0001398344-26-011113","document":"fp0099446-1_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1001391/000139834426011113/fp0099446-1_4.xml","form_type":"4"}},{"id":731078,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":21373,"kind":"organization","name":"WEXFORD CAPITAL LP","position":1,"cik":"0001048462","reported_name":"WEXFORD CAPITAL LP","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Business Officer"}},{"id":21374,"kind":"organization","name":"Wexford GP LLC","position":2,"cik":"0001472112","reported_name":"Wexford GP LLC","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Business Officer"}},{"id":21375,"kind":"person","name":"DAVIDSON CHARLES E","position":3,"cik":"0001001391","reported_name":"DAVIDSON CHARLES E","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Business Officer"}},{"id":21376,"kind":"person","name":"JACOBS JOSEPH","position":4,"cik":"0001048485","reported_name":"JACOBS JOSEPH","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2026-06-22T20:26:43.000Z","date":"2026-06-17","kind":"other","planned":false,"acquired":true,"shares":6354667,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents an in-kind distribution from MEH SUB that does not involve (i) a purchase or a sale of securities or (ii) any additional consideration."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Represents the common stock of the Issuer held in the aggregate by Wexford Spectrum Trading Limited (\"WST\"), Wexford Catalyst Trading Limited (\"WCT\") and Wexford Focused Trading Limited (\"WFT\", and together with WST and WCT, the \"Wexford Entities\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Wexford Capital may, by reason of its status as (i) sub-advisor of each of WST and WCT and (ii) investment manager of WFT be deemed to own beneficially the securities held by the Wexford Entities. Wexford GP LLC (\"Wexford GP\") may, as the General Partner of Wexford Capital, be deemed to own beneficially the securities held by the Wexford Entities. Each of Charles E. Davidson (\"Davidson\") and Joseph M. Jacobs (\"Jacobs\", and together with the Wexford Entities, Wexford Capital, Wexford GP and Davidson, the \"Reporting Persons\") may, by reason of his status as a controlling person of Wexford GP, be deemed to own beneficially the securities held by the Wexford Entities."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Each of Wexford Capital, Wexford GP, Davidson and Jacobs share the power to vote and to dispose of the securities held by the Wexford Entities. Each of Wexford Capital, Wexford GP, Davidson and Jacobs disclaim beneficial ownership of the securities held by the Wexford Entities and this report shall not be deemed as an admission that they are the beneficial owners of such securities, except to the extent of any pecuniary interests therein. The Reporting Persons may be deemed to be a director and officer of the Issuer by virtue of Paul Jacobi, an employee of Wexford Capital, serving as a director and officer of the Issuer."}],"balance_after":6601215,"source":{"system":"sec-edgar","filing":"0001398344-26-011113","document":"fp0099446-1_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1001391/000139834426011113/fp0099446-1_4.xml","form_type":"4"}},{"id":731077,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":21373,"kind":"organization","name":"WEXFORD CAPITAL LP","position":1,"cik":"0001048462","reported_name":"WEXFORD CAPITAL LP","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Business Officer"}},{"id":21374,"kind":"organization","name":"Wexford GP LLC","position":2,"cik":"0001472112","reported_name":"Wexford GP LLC","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Business Officer"}},{"id":21375,"kind":"person","name":"DAVIDSON CHARLES E","position":3,"cik":"0001001391","reported_name":"DAVIDSON CHARLES E","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Business Officer"}},{"id":21376,"kind":"person","name":"JACOBS JOSEPH","position":4,"cik":"0001048485","reported_name":"JACOBS JOSEPH","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Common Stock","published_at":"2026-06-22T20:26:43.000Z","date":"2026-06-17","kind":"other","planned":false,"acquired":true,"shares":1072896,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents an in-kind distribution from MEH SUB LLC (\"MEH SUB\"), an entity managed by Wexford Capital LP (\"Wexford Capital\"), as payment of fees and expenses owed to Wexford Capital related to its performance of investment management services."}],"balance_after":1451034,"source":{"system":"sec-edgar","filing":"0001398344-26-011113","document":"fp0099446-1_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1001391/000139834426011113/fp0099446-1_4.xml","form_type":"4"}},{"id":731075,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":21375,"kind":"person","name":"DAVIDSON CHARLES E","position":1,"cik":"0001001391","reported_name":"DAVIDSON CHARLES E","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":36507,"kind":"organization","name":"CD Holding Company, LLC","position":2,"cik":"0002140020","reported_name":"CD Holding Company, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-06-22T20:18:46.000Z","date":"2026-06-17","kind":"other","planned":false,"acquired":true,"shares":4066610,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents an in-kind distribution from MEH SUB LLC, an entity managed by Wexford Capital LP, that does not involve (i) a purchase or a sale of securities or (ii) any additional consideration."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents the common stock of the Issuer held by CD Holding Company, LLC (\"CD Holdings\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Charles E. Davidson may, by reason of his status as a controlling person of CD Holdings, be deemed to own beneficially the securities held by CD Holdings. Mr. Davidson holds the power to vote and to dispose of the securities held by CD Holdings."}],"balance_after":4066610,"source":{"system":"sec-edgar","filing":"0001398344-26-011108","document":"fp0099446-2_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1001391/000139834426011108/fp0099446-2_4.xml","form_type":"4"}},{"id":731074,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":21375,"kind":"person","name":"DAVIDSON CHARLES E","position":1,"cik":"0001001391","reported_name":"DAVIDSON CHARLES E","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":36507,"kind":"organization","name":"CD Holding Company, LLC","position":2,"cik":"0002140020","reported_name":"CD Holding Company, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-06-22T20:18:46.000Z","date":"2026-06-17","kind":"other","planned":false,"acquired":true,"shares":2403831,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents an in-kind distribution from MEH SUB LLC, an entity managed by Wexford Capital LP, that does not involve (i) a purchase or a sale of securities or (ii) any additional consideration."}],"balance_after":2403831,"source":{"system":"sec-edgar","filing":"0001398344-26-011108","document":"fp0099446-2_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1001391/000139834426011108/fp0099446-2_4.xml","form_type":"4"}},{"id":738186,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":23456,"kind":"person","name":"Amron Arthur H","position":1,"cik":"0001179697","reported_name":"Amron Arthur H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-15T20:28:48.000Z","date":"2026-06-12","kind":"purchase","planned":false,"acquired":true,"shares":2000,"price":3.28,"value":6560.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices within a range. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price."}],"balance_after":67135,"source":{"system":"sec-edgar","filing":"0001628280-26-043211","document":"wk-form4_1781555324.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1179697/000162828026043211/wk-form4_1781555324.xml","form_type":"4"}},{"id":738185,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":23456,"kind":"person","name":"Amron Arthur H","position":1,"cik":"0001179697","reported_name":"Amron Arthur H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-15T20:28:48.000Z","date":"2026-06-11","kind":"purchase","planned":false,"acquired":true,"shares":2500,"price":3.2199,"value":8049.75,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices within a range. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price."}],"balance_after":65135,"source":{"system":"sec-edgar","filing":"0001628280-26-043211","document":"wk-form4_1781555324.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1179697/000162828026043211/wk-form4_1781555324.xml","form_type":"4"}},{"id":760524,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":23456,"kind":"person","name":"Amron Arthur H","position":1,"cik":"0001179697","reported_name":"Amron Arthur H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-28T20:34:09.000Z","date":"2026-05-28","kind":"purchase","planned":false,"acquired":true,"shares":3000,"price":3.25,"value":9750.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices within a range. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price."}],"balance_after":62635,"source":{"system":"sec-edgar","filing":"0001628280-26-038861","document":"wk-form4_1780000447.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1179697/000162828026038861/wk-form4_1780000447.xml","form_type":"4"}},{"id":760523,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":23456,"kind":"person","name":"Amron Arthur H","position":1,"cik":"0001179697","reported_name":"Amron Arthur H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-28T20:34:09.000Z","date":"2026-05-26","kind":"purchase","planned":false,"acquired":true,"shares":2500,"price":3.2399,"value":8099.75,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices within a range. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price."}],"balance_after":59635,"source":{"system":"sec-edgar","filing":"0001628280-26-038861","document":"wk-form4_1780000447.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1179697/000162828026038861/wk-form4_1780000447.xml","form_type":"4"}},{"id":969816,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":23456,"kind":"person","name":"Amron Arthur H","position":1,"cik":"0001179697","reported_name":"Amron Arthur H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-12-15T22:04:40.000Z","date":"2025-12-11","kind":"purchase","planned":false,"acquired":true,"shares":10000,"price":1.89,"value":18900.0,"ownership":{"direct":true},"balance_after":57135,"source":{"system":"sec-edgar","filing":"0001628280-25-057101","document":"wk-form4_1765836277.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1179697/000162828025057101/wk-form4_1765836277.xml","form_type":"4"}},{"id":1133881,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":79266,"kind":"person","name":"SMITH ARTHUR L","position":1,"cik":"0001034323","reported_name":"SMITH ARTHUR L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-27T17:29:24.000Z","date":"2025-05-22","kind":"sale","planned":false,"acquired":false,"shares":20000,"price":2.51,"value":50200.0,"ownership":{"direct":true},"balance_after":130034,"source":{"system":"sec-edgar","filing":"0001628280-25-027998","document":"wk-form4_1748381358.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1034323/000162828025027998/wk-form4_1748381358.xml","form_type":"4"}},{"id":1139316,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":79266,"kind":"person","name":"SMITH ARTHUR L","position":1,"cik":"0001034323","reported_name":"SMITH ARTHUR L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-21T17:35:56.000Z","date":"2025-05-20","kind":"sale","planned":false,"acquired":false,"shares":50000,"price":2.51,"value":125500.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $2.47 per share to $2.55 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":150034,"source":{"system":"sec-edgar","filing":"0001628280-25-027125","document":"wk-form4_1747863349.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1034323/000162828025027125/wk-form4_1747863349.xml","form_type":"4"}},{"id":1139315,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":79266,"kind":"person","name":"SMITH ARTHUR L","position":1,"cik":"0001034323","reported_name":"SMITH ARTHUR L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-21T17:35:56.000Z","date":"2025-05-19","kind":"sale","planned":false,"acquired":false,"shares":15000,"price":2.49,"value":37350.0,"ownership":{"direct":true},"balance_after":200034,"source":{"system":"sec-edgar","filing":"0001628280-25-027125","document":"wk-form4_1747863349.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1034323/000162828025027125/wk-form4_1747863349.xml","form_type":"4"}},{"id":1331150,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":23456,"kind":"person","name":"Amron Arthur H","position":1,"cik":"0001179697","reported_name":"Amron Arthur H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-12-16T22:02:10.000Z","date":"2024-12-12","kind":"purchase","planned":false,"acquired":true,"shares":1000,"price":2.9713,"value":2971.3,"ownership":{"direct":true},"balance_after":47135,"source":{"system":"sec-edgar","filing":"0001679268-24-000092","document":"wk-form4_1734386524.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1179697/000167926824000092/wk-form4_1734386524.xml","form_type":"4"}},{"id":1350537,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":85626,"kind":"person","name":"Booker Corey J.","position":1,"cik":"0001821262","reported_name":"Booker Corey J.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-11-26T23:04:41.000Z","date":"2024-11-25","kind":"sale","planned":false,"acquired":false,"shares":15000,"price":3.47,"value":52050.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $3.46 per share to $3.47 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":125488,"source":{"system":"sec-edgar","filing":"0001679268-24-000090","document":"wk-form4_1732662275.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1679268/000167926824000090/wk-form4_1732662275.xml","form_type":"4"}},{"id":1350536,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":85626,"kind":"person","name":"Booker Corey J.","position":1,"cik":"0001821262","reported_name":"Booker Corey J.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-11-26T23:04:41.000Z","date":"2024-11-22","kind":"sale","planned":false,"acquired":false,"shares":10000,"price":3.43,"value":34300.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $3.42 per share to $3.44 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":140488,"source":{"system":"sec-edgar","filing":"0001679268-24-000090","document":"wk-form4_1732662275.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1679268/000167926824000090/wk-form4_1732662275.xml","form_type":"4"}},{"id":1353759,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":85626,"kind":"person","name":"Booker Corey J.","position":1,"cik":"0001821262","reported_name":"Booker Corey J.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-11-22T21:03:45.000Z","date":"2024-11-21","kind":"sale","planned":false,"acquired":false,"shares":6709,"price":3.25,"value":21804.25,"ownership":{"direct":true},"balance_after":150488,"source":{"system":"sec-edgar","filing":"0001679268-24-000088","document":"wk-form4_1732309417.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1679268/000167926824000088/wk-form4_1732309417.xml","form_type":"4"}},{"id":1353758,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":85626,"kind":"person","name":"Booker Corey J.","position":1,"cik":"0001821262","reported_name":"Booker Corey J.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-11-22T21:03:45.000Z","date":"2024-11-20","kind":"sale","planned":false,"acquired":false,"shares":5000,"price":3.21,"value":16050.0,"ownership":{"direct":true},"balance_after":157197,"source":{"system":"sec-edgar","filing":"0001679268-24-000088","document":"wk-form4_1732309417.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1679268/000167926824000088/wk-form4_1732309417.xml","form_type":"4"}},{"id":1363123,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":85626,"kind":"person","name":"Booker Corey J.","position":1,"cik":"0001821262","reported_name":"Booker Corey J.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-11-15T21:01:44.000Z","date":"2024-11-14","kind":"sale","planned":false,"acquired":false,"shares":3607,"price":3.5,"value":12624.5,"ownership":{"direct":true},"balance_after":162197,"source":{"system":"sec-edgar","filing":"0001679268-24-000086","document":"wk-form4_1731704497.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1679268/000167926824000086/wk-form4_1731704497.xml","form_type":"4"}},{"id":1363122,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":85626,"kind":"person","name":"Booker Corey J.","position":1,"cik":"0001821262","reported_name":"Booker Corey J.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-11-15T21:01:44.000Z","date":"2024-11-13","kind":"sale","planned":false,"acquired":false,"shares":7100,"price":3.676,"value":26099.6,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $3.66 per share to $3.71 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":165804,"source":{"system":"sec-edgar","filing":"0001679268-24-000086","document":"wk-form4_1731704497.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1679268/000167926824000086/wk-form4_1731704497.xml","form_type":"4"}},{"id":1368132,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":85626,"kind":"person","name":"Booker Corey J.","position":1,"cik":"0001821262","reported_name":"Booker Corey J.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-11-12T23:09:42.000Z","date":"2024-11-11","kind":"sale","planned":false,"acquired":false,"shares":3494,"price":3.61,"value":12613.34,"ownership":{"direct":true},"balance_after":172904,"source":{"system":"sec-edgar","filing":"0001679268-24-000084","document":"wk-form4_1731452973.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1679268/000167926824000084/wk-form4_1731452973.xml","form_type":"4"}},{"id":1368131,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":85626,"kind":"person","name":"Booker Corey J.","position":1,"cik":"0001821262","reported_name":"Booker Corey J.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-11-12T23:09:42.000Z","date":"2024-11-08","kind":"sale","planned":false,"acquired":false,"shares":24,"price":3.76,"value":90.24,"ownership":{"direct":true},"balance_after":176398,"source":{"system":"sec-edgar","filing":"0001679268-24-000084","document":"wk-form4_1731452973.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1679268/000167926824000084/wk-form4_1731452973.xml","form_type":"4"}},{"id":1368130,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":85626,"kind":"person","name":"Booker Corey J.","position":1,"cik":"0001821262","reported_name":"Booker Corey J.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-11-12T23:09:42.000Z","date":"2024-11-07","kind":"sale","planned":false,"acquired":false,"shares":165,"price":3.9,"value":643.5,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $3.89 per share to $3.91 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":176422,"source":{"system":"sec-edgar","filing":"0001679268-24-000084","document":"wk-form4_1731452973.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1679268/000167926824000084/wk-form4_1731452973.xml","form_type":"4"}},{"id":1478448,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":85626,"kind":"person","name":"Booker Corey J.","position":1,"cik":"0001821262","reported_name":"Booker Corey J.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-06-14T20:27:07.000Z","date":"2024-06-12","kind":"grant","planned":false,"acquired":true,"shares":27856,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 12, 2025 and the date of the issuer's 2025 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer."}],"balance_after":176587,"source":{"system":"sec-edgar","filing":"0001679268-24-000050","document":"wk-form4_1718396818.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1679268/000167926824000050/wk-form4_1718396818.xml","form_type":"4"}},{"id":1478899,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":36323,"kind":"person","name":"Jacobi Paul M.","position":1,"cik":"0001477880","reported_name":"Jacobi Paul M.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-06-14T20:21:48.000Z","date":"2024-06-12","kind":"grant","planned":false,"acquired":true,"shares":27856,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 12, 2025 and the date of the issuer's 2025 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Jacobi's employment with Wexford Capital LP. As a result, Mr. Jacobi disclaims any interest in these restricted stock units, except for his pecuniary interest therein."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 12, 2025 and the date of the issuer's 2025 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Jacobi's employment with Wexford Capital LP. As a result, Mr. Jacobi disclaims any interest in these restricted stock units, except for his pecuniary interest therein."}],"balance_after":27856,"source":{"system":"sec-edgar","filing":"0001679268-24-000044","document":"wk-form4_1718396500.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1477880/000167926824000044/wk-form4_1718396500.xml","form_type":"4"}},{"id":1479468,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":23456,"kind":"person","name":"Amron Arthur H","position":1,"cik":"0001179697","reported_name":"Amron Arthur H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-06-14T20:20:15.000Z","date":"2024-06-12","kind":"grant","planned":false,"acquired":true,"shares":27856,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 12, 2025 and the date of the issuer's 2025 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer."}],"balance_after":46135,"source":{"system":"sec-edgar","filing":"0001679268-24-000042","document":"wk-form4_1718396403.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1179697/000167926824000042/wk-form4_1718396403.xml","form_type":"4"}},{"id":1478667,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":89870,"kind":"person","name":"Palm James D","position":1,"cik":"0001346557","reported_name":"Palm James D","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-06-14T16:25:21.000Z","date":"2024-06-12","kind":"grant","planned":false,"acquired":true,"shares":27856,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 12, 2025 and the date of the issuer's 2025 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer."}],"balance_after":240144,"source":{"system":"sec-edgar","filing":"0001679268-24-000048","document":"wk-form4_1718396710.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1346557/000167926824000048/wk-form4_1718396710.xml","form_type":"4"}},{"id":1479563,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":79266,"kind":"person","name":"SMITH ARTHUR L","position":1,"cik":"0001034323","reported_name":"SMITH ARTHUR L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-06-14T16:23:32.000Z","date":"2024-06-12","kind":"grant","planned":false,"acquired":true,"shares":27856,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 12, 2025 and the date of the issuer's 2025 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer."}],"balance_after":215034,"source":{"system":"sec-edgar","filing":"0001679268-24-000046","document":"wk-form4_1718396605.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1034323/000167926824000046/wk-form4_1718396605.xml","form_type":"4"}},{"id":1498118,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":23456,"kind":"person","name":"Amron Arthur H","position":1,"cik":"0001179697","reported_name":"Amron Arthur H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-05-30T20:25:22.000Z","date":"2024-05-30","kind":"purchase","planned":false,"acquired":true,"shares":3000,"price":3.6481,"value":10944.3,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $3.615 per share to $3.6799 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc. any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote."}],"balance_after":18279,"source":{"system":"sec-edgar","filing":"0001679268-24-000028","document":"wk-form4_1717100189.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1179697/000167926824000028/wk-form4_1717100189.xml","form_type":"4"}},{"id":1498117,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":23456,"kind":"person","name":"Amron Arthur H","position":1,"cik":"0001179697","reported_name":"Amron Arthur H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-05-30T20:25:22.000Z","date":"2024-05-28","kind":"purchase","planned":false,"acquired":true,"shares":2000,"price":3.574,"value":7148.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $3.5499 per share to $3.6098 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc. any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote."}],"balance_after":15279,"source":{"system":"sec-edgar","filing":"0001679268-24-000028","document":"wk-form4_1717100189.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1179697/000167926824000028/wk-form4_1717100189.xml","form_type":"4"}},{"id":1577234,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":21373,"kind":"organization","name":"WEXFORD CAPITAL LP","position":1,"cik":"0001048462","reported_name":"WEXFORD CAPITAL LP","relationship":{"director":true,"ten_percent_owner":true}},{"id":21374,"kind":"organization","name":"Wexford GP LLC","position":2,"cik":"0001472112","reported_name":"Wexford GP LLC","relationship":{"director":true,"ten_percent_owner":true}},{"id":21375,"kind":"person","name":"DAVIDSON CHARLES E","position":3,"cik":"0001001391","reported_name":"DAVIDSON CHARLES E","relationship":{"director":true,"ten_percent_owner":true}},{"id":21376,"kind":"person","name":"JACOBS JOSEPH","position":4,"cik":"0001048485","reported_name":"JACOBS JOSEPH","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Common Stock","published_at":"2024-03-14T20:22:18.000Z","date":"2024-03-12","kind":"other","planned":false,"acquired":false,"shares":535366,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents a pro rata, in-kind distribution by MEH SUB LLC (\"MEH\") to a member of MEH that does not involve (i) a purchase or a sale of securities or (ii) any additional consideration."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents the common stock of the Issuer held in the aggregate by Wexford Spectrum Trading Limited (\"WST\"), Wexford Catalyst Trading Limited (\"WCT\"), Wexford Focused Trading Limited (\"WFT\") and MEH (together with WST, WCT and WFT, the \"Wexford Entities\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Wexford Capital LP (\"Wexford Capital\") may, by reason of its status as (i) sub-advisor of each of WST and WCT, (ii) investment manager of WFT and (iii) manager of MEH, be deemed to own beneficially the securities held by the Wexford Entities. Wexford GP LLC (\"Wexford GP\") may, as the General Partner of Wexford Capital, be deemed to own beneficially the securities held by the Wexford Entities. Each of Charles E. Davidson (\"Davidson\") and Joseph M. Jacobs (\"Jacobs\", and together with the Wexford Entities, Wexford Capital, Wexford GP and Davidson, the \"Reporting Persons\") may, by reason of his status as a controlling person of Wexford GP, be deemed to own beneficially the securities held by the Wexford Entities."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each of Wexford Capital, Wexford GP, Davidson and Jacobs share the power to vote and to dispose of the securities held by the Wexford Entities. Each of Wexford Capital, Wexford GP, Davidson and Jacobs disclaim beneficial ownership of the securities held by the Wexford Entities and this report shall not be deemed as an admission that they are the beneficial owners of such securities, except to the extent of any pecuniary interests therein.  The Reporting Persons may be deemed to be directors by deputization by virtue of Paul Jacobi, an employee of Wexford Capital, serving as a director of the Issuer."}],"balance_after":21690075,"source":{"system":"sec-edgar","filing":"0001048462-24-000010","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1001391/000104846224000010/form4.xml","form_type":"4"}},{"id":1577026,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":23456,"kind":"person","name":"Amron Arthur H","position":1,"cik":"0001179697","reported_name":"Amron Arthur H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-03-14T20:11:48.000Z","date":"2024-03-12","kind":"purchase","planned":false,"acquired":true,"shares":3000,"price":3.719,"value":11157.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $3.71 per share to $3.725 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc. any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote."}],"balance_after":13279,"source":{"system":"sec-edgar","filing":"0001679268-24-000010","document":"wk-form4_1710447093.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1179697/000167926824000010/wk-form4_1710447093.xml","form_type":"4"}},{"id":1704744,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":96040,"kind":"person","name":"Straehla Arty","position":1,"cik":"0001450919","reported_name":"Straehla Arty","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2023-12-19T18:37:35.000Z","date":"2023-12-19","kind":"sale","planned":false,"acquired":false,"shares":40000,"price":4.354,"value":174160.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold by the reporting person for tax purposes."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $4.23 per share to $4.50 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":1012107,"source":{"system":"sec-edgar","filing":"0001679268-23-000067","document":"wk-form4_1703029045.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1450919/000167926823000067/wk-form4_1703029045.xml","form_type":"4"}},{"id":1704743,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":96040,"kind":"person","name":"Straehla Arty","position":1,"cik":"0001450919","reported_name":"Straehla Arty","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2023-12-19T18:37:35.000Z","date":"2023-12-18","kind":"sale","planned":false,"acquired":false,"shares":30000,"price":4.376,"value":131280.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold by the reporting person for tax purposes."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $4.24 per share to $4.46 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":1052107,"source":{"system":"sec-edgar","filing":"0001679268-23-000067","document":"wk-form4_1703029045.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1450919/000167926823000067/wk-form4_1703029045.xml","form_type":"4"}},{"id":1709151,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":96040,"kind":"person","name":"Straehla Arty","position":1,"cik":"0001450919","reported_name":"Straehla Arty","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2023-12-15T17:21:42.000Z","date":"2023-12-15","kind":"sale","planned":false,"acquired":false,"shares":40000,"price":4.361,"value":174440.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold by the reporting person for tax purposes."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $4.30 per share to $4.63 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":1082107,"source":{"system":"sec-edgar","filing":"0001679268-23-000065","document":"wk-form4_1702678893.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1450919/000167926823000065/wk-form4_1702678893.xml","form_type":"4"}},{"id":1709150,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":96040,"kind":"person","name":"Straehla Arty","position":1,"cik":"0001450919","reported_name":"Straehla Arty","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2023-12-15T17:21:42.000Z","date":"2023-12-14","kind":"sale","planned":false,"acquired":false,"shares":55000,"price":4.439,"value":244145.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold by the reporting person for tax purposes."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $4.29 per share to $4.64 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":1122107,"source":{"system":"sec-edgar","filing":"0001679268-23-000065","document":"wk-form4_1702678893.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1450919/000167926823000065/wk-form4_1702678893.xml","form_type":"4"}},{"id":1709149,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":96040,"kind":"person","name":"Straehla Arty","position":1,"cik":"0001450919","reported_name":"Straehla Arty","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2023-12-15T17:21:42.000Z","date":"2023-12-13","kind":"sale","planned":false,"acquired":false,"shares":25000,"price":4.386,"value":109650.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold by the reporting person for tax purposes."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $4.28 per share to $4.52 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":1177107,"source":{"system":"sec-edgar","filing":"0001679268-23-000065","document":"wk-form4_1702678893.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1450919/000167926823000065/wk-form4_1702678893.xml","form_type":"4"}},{"id":1862768,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":23456,"kind":"person","name":"Amron Arthur H","position":1,"cik":"0001179697","reported_name":"Amron Arthur H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-06-08T21:06:15.000Z","date":"2023-06-07","kind":"grant","planned":false,"acquired":true,"shares":23810,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 7, 2024 and the date of the issuer's 2024 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Amron's employment with Wexford Capital LP. As a result, Mr. Amron disclaims any interest in these restricted stock units, except for his pecuniary interest therein."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 7, 2024 and the date of the issuer's 2024 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Amron's employment with Wexford Capital LP. As a result, Mr. Amron disclaims any interest in these restricted stock units, except for his pecuniary interest therein."}],"balance_after":23810,"source":{"system":"sec-edgar","filing":"0001679268-23-000042","document":"wk-form4_1686258365.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1179697/000167926823000042/wk-form4_1686258365.xml","form_type":"4"}},{"id":1862177,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":36323,"kind":"person","name":"Jacobi Paul M.","position":1,"cik":"0001477880","reported_name":"Jacobi Paul M.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-06-08T21:05:34.000Z","date":"2023-06-07","kind":"grant","planned":false,"acquired":true,"shares":23810,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 7, 2024 and the date of the issuer's 2024 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Jacobi's employment with Wexford Capital LP. As a result, Mr. Jacobi disclaims any interest in these restricted stock units, except for his pecuniary interest therein."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 7, 2024 and the date of the issuer's 2024 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Jacobi's employment with Wexford Capital LP. As a result, Mr. Jacobi disclaims any interest in these restricted stock units, except for his pecuniary interest therein."}],"balance_after":23810,"source":{"system":"sec-edgar","filing":"0001679268-23-000041","document":"wk-form4_1686258324.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1477880/000167926823000041/wk-form4_1686258324.xml","form_type":"4"}},{"id":1861717,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":85626,"kind":"person","name":"Booker Corey J.","position":1,"cik":"0001821262","reported_name":"Booker Corey J.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-06-08T21:04:50.000Z","date":"2023-06-07","kind":"grant","planned":false,"acquired":true,"shares":23810,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 7, 2024 and the date of the issuer's 2024 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer."}],"balance_after":148731,"source":{"system":"sec-edgar","filing":"0001679268-23-000039","document":"wk-form4_1686258275.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1679268/000167926823000039/wk-form4_1686258275.xml","form_type":"4"}},{"id":1861917,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":89870,"kind":"person","name":"Palm James D","position":1,"cik":"0001346557","reported_name":"Palm James D","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-06-08T17:03:44.000Z","date":"2023-06-07","kind":"grant","planned":false,"acquired":true,"shares":23810,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 7, 2024 and the date of the issuer's 2024 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer."}],"balance_after":212288,"source":{"system":"sec-edgar","filing":"0001679268-23-000038","document":"wk-form4_1686258215.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1346557/000167926823000038/wk-form4_1686258215.xml","form_type":"4"}},{"id":1862822,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":79266,"kind":"person","name":"SMITH ARTHUR L","position":1,"cik":"0001034323","reported_name":"SMITH ARTHUR L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-06-08T17:03:17.000Z","date":"2023-06-07","kind":"grant","planned":false,"acquired":true,"shares":23810,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 7, 2024 and the date of the issuer's 2024 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer."}],"balance_after":187178,"source":{"system":"sec-edgar","filing":"0001679268-23-000037","document":"wk-form4_1686258187.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1034323/000167926823000037/wk-form4_1686258187.xml","form_type":"4"}},{"id":1965667,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":96040,"kind":"person","name":"Straehla Arty","position":1,"cik":"0001450919","reported_name":"Straehla Arty","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2023-03-07T16:03:23.000Z","date":"2023-03-03","kind":"tax_withholding","acquired":false,"shares":129220,"price":5.55,"value":717171.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were withheld by the Company to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units previously granted under the issuer's equity incentive plan. The number of shares withheld by the Company was determined based on the closing price per share of the Company's common stock on March 3, 2023, the vesting date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These shares were withheld by the Company to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units previously granted under the issuer's equity incentive plan. The number of shares withheld by the Company was determined based on the closing price per share of the Company's common stock on March 3, 2023, the vesting date."}],"balance_after":1202107,"source":{"system":"sec-edgar","filing":"0001679268-23-000010","document":"wf-form4_167822297562343.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1450919/000167926823000010/wf-form4_167822297562343.xml","form_type":"4"}},{"id":1965931,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":115843,"kind":"person","name":"Layton Mark E.","position":1,"cik":"0001687210","reported_name":"Layton Mark E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO and Secretary"}}],"security":"Common Stock","published_at":"2023-03-07T16:01:41.000Z","date":"2023-03-03","kind":"tax_withholding","acquired":false,"shares":36375,"price":5.55,"value":201881.25,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were withheld by the Company to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units previously granted under the issuer's equity incentive plan. The number of shares withheld by the Company was determined based on the closing price per share of the Company's common stock on March 3, 2023, the vesting date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These shares were withheld by the Company to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units previously granted under the issuer's equity incentive plan. The number of shares withheld by the Company was determined based on the closing price per share of the Company's common stock on March 3, 2023, the vesting date."}],"balance_after":418985,"source":{"system":"sec-edgar","filing":"0001679268-23-000009","document":"wf-form4_167822288769040.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1687210/000167926823000009/wf-form4_167822288769040.xml","form_type":"4"}},{"id":2118491,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":79266,"kind":"person","name":"SMITH ARTHUR L","position":1,"cik":"0001034323","reported_name":"SMITH ARTHUR L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-11-14T16:23:08.000Z","date":"2022-11-11","kind":"sale","acquired":false,"shares":20000,"price":7.0662,"value":141324.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $7.06 to $7.16 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":163368,"source":{"system":"sec-edgar","filing":"0001679268-22-000047","document":"wf-form4_166846091006923.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1034323/000167926822000047/wf-form4_166846091006923.xml","form_type":"4"}},{"id":2218673,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":36323,"kind":"person","name":"Jacobi Paul M.","position":1,"cik":"0001477880","reported_name":"Jacobi Paul M.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-06-30T20:14:22.000Z","date":"2022-06-29","kind":"grant","acquired":true,"shares":45662,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 29, 2023 and the date of the issuer's 2023 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Jacobi's employment with Wexford Capital LP. As a result, Mr. Jacobi disclaims any interest in these restricted stock units, except for his pecuniary interest therein."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 29, 2023 and the date of the issuer's 2023 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Jacobi's employment with Wexford Capital LP. As a result, Mr. Jacobi disclaims any interest in these restricted stock units, except for his pecuniary interest therein."}],"balance_after":45662,"source":{"system":"sec-edgar","filing":"0001679268-22-000031","document":"wf-form4_165662004932721.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1477880/000167926822000031/wf-form4_165662004932721.xml","form_type":"4"}},{"id":2218473,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":85626,"kind":"person","name":"Booker Corey J.","position":1,"cik":"0001821262","reported_name":"Booker Corey J.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-06-30T20:13:12.000Z","date":"2022-06-29","kind":"grant","acquired":true,"shares":45662,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 29, 2023 and the date of the issuer's 2023 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer."}],"balance_after":124921,"source":{"system":"sec-edgar","filing":"0001679268-22-000030","document":"wf-form4_165661997464016.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1679268/000167926822000030/wf-form4_165661997464016.xml","form_type":"4"}},{"id":2218819,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":23456,"kind":"person","name":"Amron Arthur H","position":1,"cik":"0001179697","reported_name":"Amron Arthur H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-06-30T20:12:26.000Z","date":"2022-06-29","kind":"grant","acquired":true,"shares":45662,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 29, 2023 and the date of the issuer's 2023 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Amron's employment with Wexford Capital LP. As a result, Mr. Amron disclaims any interest in these restricted stock units, except for his pecuniary interest therein."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 29, 2023 and the date of the issuer's 2023 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Amron's employment with Wexford Capital LP. As a result, Mr. Amron disclaims any interest in these restricted stock units, except for his pecuniary interest therein."}],"balance_after":45662,"source":{"system":"sec-edgar","filing":"0001679268-22-000029","document":"wf-form4_165661993180365.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1179697/000167926822000029/wf-form4_165661993180365.xml","form_type":"4"}},{"id":2218828,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":79266,"kind":"person","name":"SMITH ARTHUR L","position":1,"cik":"0001034323","reported_name":"SMITH ARTHUR L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-06-30T16:15:57.000Z","date":"2022-06-29","kind":"grant","acquired":true,"shares":45662,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 29, 2023 and the date of the issuer's 2023 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer."}],"balance_after":183368,"source":{"system":"sec-edgar","filing":"0001679268-22-000033","document":"wf-form4_165662014273414.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1034323/000167926822000033/wf-form4_165662014273414.xml","form_type":"4"}},{"id":2218547,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":89870,"kind":"person","name":"Palm James D","position":1,"cik":"0001346557","reported_name":"Palm James D","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-06-30T16:15:05.000Z","date":"2022-06-29","kind":"grant","acquired":true,"shares":45662,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 29, 2023 and the date of the issuer's 2023 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer."}],"balance_after":188478,"source":{"system":"sec-edgar","filing":"0001679268-22-000032","document":"wf-form4_165662009076144.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1346557/000167926822000032/wf-form4_165662009076144.xml","form_type":"4"}},{"id":2226070,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":21373,"kind":"organization","name":"WEXFORD CAPITAL LP","position":1,"cik":"0001048462","reported_name":"WEXFORD CAPITAL LP","relationship":{"director":true,"ten_percent_owner":true}},{"id":21374,"kind":"organization","name":"Wexford GP LLC","position":2,"cik":"0001472112","reported_name":"Wexford GP LLC","relationship":{"director":true,"ten_percent_owner":true}},{"id":21375,"kind":"person","name":"DAVIDSON CHARLES E","position":3,"cik":"0001001391","reported_name":"DAVIDSON CHARLES E","relationship":{"director":true,"ten_percent_owner":true}},{"id":21376,"kind":"person","name":"JACOBS JOSEPH","position":4,"cik":"0001048485","reported_name":"JACOBS JOSEPH","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Common Stock","published_at":"2022-06-21T20:32:56.000Z","date":"2022-06-17","kind":"purchase","acquired":true,"shares":10382,"price":2.1747,"value":22577.7354,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents a weighted average price. These shares of common stock were purchased in multiple transactions at prices ranging from $2.1745 to $2.1749, inclusive. The Reporting Persons, as defined below, undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein"},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Wexford Capital LP (\"Wexford Capital\") may, by reason of its status as (i) sub-advisor of each of Wexford Spectrum Trading Limited (\"WST\") and Wexford Catalyst Trading Limited (\"WCT\") and (ii) manager of each of Wexford Focused Investors LLC (\"WFI\") and MEH SUB LLC (\"MEH\", and together with WST, WCT and WFI, the \"Wexford Entities\"), be deemed to own beneficially the securities held by the Wexford Entities. Wexford GP LLC (\"Wexford GP\") may, as the General Partner of Wexford Capital, be deemed to own beneficially the securities held by the Wexford Entities. Each of Charles E. Davidson (\"Davidson\") and Joseph M. Jacobs (\"Jacobs\", and together with the Wexford Entities, Wexford Capital, Wexford GP and Davidson, the \"Reporting Persons\") may, by reason of his status as a controlling person of Wexford GP, be deemed to own beneficially the securities held by the Wexford Entities."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each of Wexford Capital, Wexford GP, Davidson and Jacobs share the power to vote and to dispose of the securities held by the Wexford Entities. Each of Wexford Capital, Wexford GP, Davidson and Jacobs disclaim beneficial ownership of the securities held by the Wexford Entities and this report shall not be deemed as an admission that they are the beneficial owners of such securities, except to the extent of any pecuniary interests therein.  The Reporting Persons may be deemed to be directors by deputization by virtue of Paul Jacobi and Arthur Amron, each an employee of Wexford Capital, serving as directors of the Issuer."}],"balance_after":22434125,"source":{"system":"sec-edgar","filing":"0001048462-22-000021","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1001391/000104846222000021/form4.xml","form_type":"4"}},{"id":2226069,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":21373,"kind":"organization","name":"WEXFORD CAPITAL LP","position":1,"cik":"0001048462","reported_name":"WEXFORD CAPITAL LP","relationship":{"director":true,"ten_percent_owner":true}},{"id":21374,"kind":"organization","name":"Wexford GP LLC","position":2,"cik":"0001472112","reported_name":"Wexford GP LLC","relationship":{"director":true,"ten_percent_owner":true}},{"id":21375,"kind":"person","name":"DAVIDSON CHARLES E","position":3,"cik":"0001001391","reported_name":"DAVIDSON CHARLES E","relationship":{"director":true,"ten_percent_owner":true}},{"id":21376,"kind":"person","name":"JACOBS JOSEPH","position":4,"cik":"0001048485","reported_name":"JACOBS JOSEPH","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Common Stock","published_at":"2022-06-21T20:32:56.000Z","date":"2022-06-16","kind":"purchase","acquired":true,"shares":35000,"price":2.1257,"value":74399.5,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents a weighted average price. These shares of common stock were purchased in multiple transactions at prices ranging from $2.1098 to $2.1452, inclusive. The Reporting Persons, as defined below, undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Wexford Capital LP (\"Wexford Capital\") may, by reason of its status as (i) sub-advisor of each of Wexford Spectrum Trading Limited (\"WST\") and Wexford Catalyst Trading Limited (\"WCT\") and (ii) manager of each of Wexford Focused Investors LLC (\"WFI\") and MEH SUB LLC (\"MEH\", and together with WST, WCT and WFI, the \"Wexford Entities\"), be deemed to own beneficially the securities held by the Wexford Entities. Wexford GP LLC (\"Wexford GP\") may, as the General Partner of Wexford Capital, be deemed to own beneficially the securities held by the Wexford Entities. Each of Charles E. Davidson (\"Davidson\") and Joseph M. Jacobs (\"Jacobs\", and together with the Wexford Entities, Wexford Capital, Wexford GP and Davidson, the \"Reporting Persons\") may, by reason of his status as a controlling person of Wexford GP, be deemed to own beneficially the securities held by the Wexford Entities."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each of Wexford Capital, Wexford GP, Davidson and Jacobs share the power to vote and to dispose of the securities held by the Wexford Entities. Each of Wexford Capital, Wexford GP, Davidson and Jacobs disclaim beneficial ownership of the securities held by the Wexford Entities and this report shall not be deemed as an admission that they are the beneficial owners of such securities, except to the extent of any pecuniary interests therein.  The Reporting Persons may be deemed to be directors by deputization by virtue of Paul Jacobi and Arthur Amron, each an employee of Wexford Capital, serving as directors of the Issuer."}],"balance_after":22423743,"source":{"system":"sec-edgar","filing":"0001048462-22-000021","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1001391/000104846222000021/form4.xml","form_type":"4"}},{"id":2231852,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":21373,"kind":"organization","name":"WEXFORD CAPITAL LP","position":1,"cik":"0001048462","reported_name":"WEXFORD CAPITAL LP","relationship":{"director":true,"ten_percent_owner":true}},{"id":21374,"kind":"organization","name":"Wexford GP LLC","position":2,"cik":"0001472112","reported_name":"Wexford GP LLC","relationship":{"director":true,"ten_percent_owner":true}},{"id":21375,"kind":"person","name":"DAVIDSON CHARLES E","position":3,"cik":"0001001391","reported_name":"DAVIDSON CHARLES E","relationship":{"director":true,"ten_percent_owner":true}},{"id":21376,"kind":"person","name":"JACOBS JOSEPH","position":4,"cik":"0001048485","reported_name":"JACOBS JOSEPH","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Common Stock","published_at":"2022-06-15T20:37:09.000Z","date":"2022-06-15","kind":"purchase","acquired":true,"shares":5100,"price":2.2309,"value":11377.59,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents a weighted average price. These shares of common stock were purchased in multiple transactions at prices ranging from $2.2292 to $2.2326, inclusive. The Reporting Persons, as defined below, undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein"},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Wexford Capital LP (\"Wexford Capital\") may, by reason of its status as (i) sub-advisor of each of Wexford Spectrum Trading Limited (\"WST\") and Wexford Catalyst Trading Limited (\"WCT\") and (ii) manager of each of Wexford Focused Investors LLC (\"WFI\") and MEH SUB LLC (\"MEH\", and together with WST, WCT and WFI, the \"Wexford Entities\"), be deemed to own beneficially the securities held by the Wexford Entities. Wexford GP LLC (\"Wexford GP\") may, as the General Partner of Wexford Capital, be deemed to own beneficially the securities held by the Wexford Entities. Each of Charles E. Davidson (\"Davidson\") and Joseph M. Jacobs (\"Jacobs\", and together with the Wexford Entities, Wexford Capital, Wexford GP and Davidson, the \"Reporting Persons\") may, by reason of his status as a controlling person of Wexford GP, be deemed to own beneficially the securities held by the Wexford Entities."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each of Wexford Capital, Wexford GP, Davidson and Jacobs share the power to vote and to dispose of the securities held by the Wexford Entities. Each of Wexford Capital, Wexford GP, Davidson and Jacobs disclaim beneficial ownership of the securities held by the Wexford Entities and this report shall not be deemed as an admission that they are the beneficial owners of such securities, except to the extent of any pecuniary interests therein.  The Reporting Persons may be deemed to be directors by deputization by virtue of Paul Jacobi and Arthur Amron, each an employee of Wexford Capital, serving as directors of the Issuer."}],"balance_after":22388743,"source":{"system":"sec-edgar","filing":"0001048462-22-000018","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1001391/000104846222000018/form4.xml","form_type":"4"}},{"id":2231851,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":21373,"kind":"organization","name":"WEXFORD CAPITAL LP","position":1,"cik":"0001048462","reported_name":"WEXFORD CAPITAL LP","relationship":{"director":true,"ten_percent_owner":true}},{"id":21374,"kind":"organization","name":"Wexford GP LLC","position":2,"cik":"0001472112","reported_name":"Wexford GP LLC","relationship":{"director":true,"ten_percent_owner":true}},{"id":21375,"kind":"person","name":"DAVIDSON CHARLES E","position":3,"cik":"0001001391","reported_name":"DAVIDSON CHARLES E","relationship":{"director":true,"ten_percent_owner":true}},{"id":21376,"kind":"person","name":"JACOBS JOSEPH","position":4,"cik":"0001048485","reported_name":"JACOBS JOSEPH","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Common Stock","published_at":"2022-06-15T20:37:09.000Z","date":"2022-06-14","kind":"purchase","acquired":true,"shares":20600,"price":2.2799,"value":46965.94,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents a weighted average price. These shares of common stock were purchased in multiple transactions at prices ranging from $2.2638 to $2.2969, inclusive. The Reporting Persons, as defined below, undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Wexford Capital LP (\"Wexford Capital\") may, by reason of its status as (i) sub-advisor of each of Wexford Spectrum Trading Limited (\"WST\") and Wexford Catalyst Trading Limited (\"WCT\") and (ii) manager of each of Wexford Focused Investors LLC (\"WFI\") and MEH SUB LLC (\"MEH\", and together with WST, WCT and WFI, the \"Wexford Entities\"), be deemed to own beneficially the securities held by the Wexford Entities. Wexford GP LLC (\"Wexford GP\") may, as the General Partner of Wexford Capital, be deemed to own beneficially the securities held by the Wexford Entities. Each of Charles E. Davidson (\"Davidson\") and Joseph M. Jacobs (\"Jacobs\", and together with the Wexford Entities, Wexford Capital, Wexford GP and Davidson, the \"Reporting Persons\") may, by reason of his status as a controlling person of Wexford GP, be deemed to own beneficially the securities held by the Wexford Entities."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each of Wexford Capital, Wexford GP, Davidson and Jacobs share the power to vote and to dispose of the securities held by the Wexford Entities. Each of Wexford Capital, Wexford GP, Davidson and Jacobs disclaim beneficial ownership of the securities held by the Wexford Entities and this report shall not be deemed as an admission that they are the beneficial owners of such securities, except to the extent of any pecuniary interests therein.  The Reporting Persons may be deemed to be directors by deputization by virtue of Paul Jacobi and Arthur Amron, each an employee of Wexford Capital, serving as directors of the Issuer."}],"balance_after":22383643,"source":{"system":"sec-edgar","filing":"0001048462-22-000018","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1001391/000104846222000018/form4.xml","form_type":"4"}},{"id":2231850,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":21373,"kind":"organization","name":"WEXFORD CAPITAL LP","position":1,"cik":"0001048462","reported_name":"WEXFORD CAPITAL LP","relationship":{"director":true,"ten_percent_owner":true}},{"id":21374,"kind":"organization","name":"Wexford GP LLC","position":2,"cik":"0001472112","reported_name":"Wexford GP LLC","relationship":{"director":true,"ten_percent_owner":true}},{"id":21375,"kind":"person","name":"DAVIDSON CHARLES E","position":3,"cik":"0001001391","reported_name":"DAVIDSON CHARLES E","relationship":{"director":true,"ten_percent_owner":true}},{"id":21376,"kind":"person","name":"JACOBS JOSEPH","position":4,"cik":"0001048485","reported_name":"JACOBS JOSEPH","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Common Stock","published_at":"2022-06-15T20:37:09.000Z","date":"2022-06-13","kind":"purchase","acquired":true,"shares":25102,"price":2.3505,"value":59002.251,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Wexford Capital LP (\"Wexford Capital\") may, by reason of its status as (i) sub-advisor of each of Wexford Spectrum Trading Limited (\"WST\") and Wexford Catalyst Trading Limited (\"WCT\") and (ii) manager of each of Wexford Focused Investors LLC (\"WFI\") and MEH SUB LLC (\"MEH\", and together with WST, WCT and WFI, the \"Wexford Entities\"), be deemed to own beneficially the securities held by the Wexford Entities. Wexford GP LLC (\"Wexford GP\") may, as the General Partner of Wexford Capital, be deemed to own beneficially the securities held by the Wexford Entities. Each of Charles E. Davidson (\"Davidson\") and Joseph M. Jacobs (\"Jacobs\", and together with the Wexford Entities, Wexford Capital, Wexford GP and Davidson, the \"Reporting Persons\") may, by reason of his status as a controlling person of Wexford GP, be deemed to own beneficially the securities held by the Wexford Entities."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each of Wexford Capital, Wexford GP, Davidson and Jacobs share the power to vote and to dispose of the securities held by the Wexford Entities. Each of Wexford Capital, Wexford GP, Davidson and Jacobs disclaim beneficial ownership of the securities held by the Wexford Entities and this report shall not be deemed as an admission that they are the beneficial owners of such securities, except to the extent of any pecuniary interests therein.  The Reporting Persons may be deemed to be directors by deputization by virtue of Paul Jacobi and Arthur Amron, each an employee of Wexford Capital, serving as directors of the Issuer."}],"balance_after":22363043,"source":{"system":"sec-edgar","filing":"0001048462-22-000018","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1001391/000104846222000018/form4.xml","form_type":"4"}},{"id":2236727,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":21373,"kind":"organization","name":"WEXFORD CAPITAL LP","position":1,"cik":"0001048462","reported_name":"WEXFORD CAPITAL LP","relationship":{"director":true,"ten_percent_owner":true}},{"id":21374,"kind":"organization","name":"Wexford GP LLC","position":2,"cik":"0001472112","reported_name":"Wexford GP LLC","relationship":{"director":true,"ten_percent_owner":true}},{"id":21375,"kind":"person","name":"DAVIDSON CHARLES E","position":3,"cik":"0001001391","reported_name":"DAVIDSON CHARLES E","relationship":{"director":true,"ten_percent_owner":true}},{"id":21376,"kind":"person","name":"JACOBS JOSEPH","position":4,"cik":"0001048485","reported_name":"JACOBS JOSEPH","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Common Stock","published_at":"2022-06-10T20:34:17.000Z","date":"2022-06-10","kind":"purchase","acquired":true,"shares":54779,"price":2.4555,"value":134509.8345,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents a weighted average price. These shares of common stock were purchased in multiple transactions at prices ranging from $2.4497 to $2.4566, inclusive. The Reporting Persons, as defined below, undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein"},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Wexford Capital LP (\"Wexford Capital\") may, by reason of its status as (i) sub-advisor of each of Wexford Spectrum Trading Limited (\"WST\") and Wexford Catalyst Trading Limited (\"WCT\") and (ii) manager of each of Wexford Focused Investors LLC (\"WFI\") and MEH SUB LLC (\"MEH\", and together with WST, WCT and WFI, the \"Wexford Entities\"), be deemed to own beneficially the securities held by the Wexford Entities. Wexford GP LLC (\"Wexford GP\") may, as the General Partner of Wexford Capital, be deemed to own beneficially the securities held by the Wexford Entities. Each of Charles E. Davidson (\"Davidson\") and Joseph M. Jacobs (\"Jacobs\", and together with the Wexford Entities, Wexford Capital, Wexford GP and Davidson, the \"Reporting Persons\") may, by reason of his status as a controlling person of Wexford GP, be deemed to own beneficially the securities held by the Wexford Entities."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Each of Wexford Capital, Wexford GP, Davidson and Jacobs share the power to vote and to dispose of the securities held by the Wexford Entities. Each of Wexford Capital, Wexford GP, Davidson and Jacobs disclaim beneficial ownership of the securities held by the Wexford Entities and this report shall not be deemed as an admission that they are the beneficial owners of such securities, except to the extent of any pecuniary interests therein.  The Reporting Persons may be deemed to be directors by deputization by virtue of Paul Jacobi and Arthur Amron, each an employee of Wexford Capital, serving as directors of the Issuer."}],"balance_after":22337941,"source":{"system":"sec-edgar","filing":"0001048462-22-000011","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1001391/000104846222000011/form4.xml","form_type":"4"}},{"id":2236726,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":21373,"kind":"organization","name":"WEXFORD CAPITAL LP","position":1,"cik":"0001048462","reported_name":"WEXFORD CAPITAL LP","relationship":{"director":true,"ten_percent_owner":true}},{"id":21374,"kind":"organization","name":"Wexford GP LLC","position":2,"cik":"0001472112","reported_name":"Wexford GP LLC","relationship":{"director":true,"ten_percent_owner":true}},{"id":21375,"kind":"person","name":"DAVIDSON CHARLES E","position":3,"cik":"0001001391","reported_name":"DAVIDSON CHARLES E","relationship":{"director":true,"ten_percent_owner":true}},{"id":21376,"kind":"person","name":"JACOBS JOSEPH","position":4,"cik":"0001048485","reported_name":"JACOBS JOSEPH","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Common Stock","published_at":"2022-06-10T20:34:17.000Z","date":"2022-06-09","kind":"purchase","acquired":true,"shares":27489,"price":2.4797,"value":68164.4733,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents a weighted average price. These shares of common stock were purchased in multiple transactions at prices ranging from $2.4646 to $2.4846, inclusive. The Reporting Persons, as defined below, undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Wexford Capital LP (\"Wexford Capital\") may, by reason of its status as (i) sub-advisor of each of Wexford Spectrum Trading Limited (\"WST\") and Wexford Catalyst Trading Limited (\"WCT\") and (ii) manager of each of Wexford Focused Investors LLC (\"WFI\") and MEH SUB LLC (\"MEH\", and together with WST, WCT and WFI, the \"Wexford Entities\"), be deemed to own beneficially the securities held by the Wexford Entities. Wexford GP LLC (\"Wexford GP\") may, as the General Partner of Wexford Capital, be deemed to own beneficially the securities held by the Wexford Entities. Each of Charles E. Davidson (\"Davidson\") and Joseph M. Jacobs (\"Jacobs\", and together with the Wexford Entities, Wexford Capital, Wexford GP and Davidson, the \"Reporting Persons\") may, by reason of his status as a controlling person of Wexford GP, be deemed to own beneficially the securities held by the Wexford Entities."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Each of Wexford Capital, Wexford GP, Davidson and Jacobs share the power to vote and to dispose of the securities held by the Wexford Entities. Each of Wexford Capital, Wexford GP, Davidson and Jacobs disclaim beneficial ownership of the securities held by the Wexford Entities and this report shall not be deemed as an admission that they are the beneficial owners of such securities, except to the extent of any pecuniary interests therein.  The Reporting Persons may be deemed to be directors by deputization by virtue of Paul Jacobi and Arthur Amron, each an employee of Wexford Capital, serving as directors of the Issuer."}],"balance_after":22283162,"source":{"system":"sec-edgar","filing":"0001048462-22-000011","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1001391/000104846222000011/form4.xml","form_type":"4"}},{"id":2236725,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":21373,"kind":"organization","name":"WEXFORD CAPITAL LP","position":1,"cik":"0001048462","reported_name":"WEXFORD CAPITAL LP","relationship":{"director":true,"ten_percent_owner":true}},{"id":21374,"kind":"organization","name":"Wexford GP LLC","position":2,"cik":"0001472112","reported_name":"Wexford GP LLC","relationship":{"director":true,"ten_percent_owner":true}},{"id":21375,"kind":"person","name":"DAVIDSON CHARLES E","position":3,"cik":"0001001391","reported_name":"DAVIDSON CHARLES E","relationship":{"director":true,"ten_percent_owner":true}},{"id":21376,"kind":"person","name":"JACOBS JOSEPH","position":4,"cik":"0001048485","reported_name":"JACOBS JOSEPH","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Common Stock","published_at":"2022-06-10T20:34:17.000Z","date":"2022-06-08","kind":"purchase","acquired":true,"shares":15500,"price":2.4972,"value":38706.6,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents a weighted average price. These shares of common stock were purchased in multiple transactions at prices ranging from $2.4640 to $2.4983, inclusive. The Reporting Persons, as defined below, undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Wexford Capital LP (\"Wexford Capital\") may, by reason of its status as (i) sub-advisor of each of Wexford Spectrum Trading Limited (\"WST\") and Wexford Catalyst Trading Limited (\"WCT\") and (ii) manager of each of Wexford Focused Investors LLC (\"WFI\") and MEH SUB LLC (\"MEH\", and together with WST, WCT and WFI, the \"Wexford Entities\"), be deemed to own beneficially the securities held by the Wexford Entities. Wexford GP LLC (\"Wexford GP\") may, as the General Partner of Wexford Capital, be deemed to own beneficially the securities held by the Wexford Entities. Each of Charles E. Davidson (\"Davidson\") and Joseph M. Jacobs (\"Jacobs\", and together with the Wexford Entities, Wexford Capital, Wexford GP and Davidson, the \"Reporting Persons\") may, by reason of his status as a controlling person of Wexford GP, be deemed to own beneficially the securities held by the Wexford Entities."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Each of Wexford Capital, Wexford GP, Davidson and Jacobs share the power to vote and to dispose of the securities held by the Wexford Entities. Each of Wexford Capital, Wexford GP, Davidson and Jacobs disclaim beneficial ownership of the securities held by the Wexford Entities and this report shall not be deemed as an admission that they are the beneficial owners of such securities, except to the extent of any pecuniary interests therein.  The Reporting Persons may be deemed to be directors by deputization by virtue of Paul Jacobi and Arthur Amron, each an employee of Wexford Capital, serving as directors of the Issuer."}],"balance_after":22255673,"source":{"system":"sec-edgar","filing":"0001048462-22-000011","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1001391/000104846222000011/form4.xml","form_type":"4"}},{"id":2337628,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":115843,"kind":"person","name":"Layton Mark E.","position":1,"cik":"0001687210","reported_name":"Layton Mark E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO and Secretary"}}],"security":"Common Stock","published_at":"2022-03-11T16:31:57.000Z","date":"2022-03-10","kind":"sale","acquired":false,"shares":40417,"price":2.0369,"value":82325.3873,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units previously granted under the issuer's equity incentive plan."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $2.00 per share to $2.11 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":455360,"source":{"system":"sec-edgar","filing":"0001679268-22-000008","document":"wf-form4_164703428751972.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1687210/000167926822000008/wf-form4_164703428751972.xml","form_type":"4"}},{"id":2398768,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":79266,"kind":"person","name":"SMITH ARTHUR L","position":1,"cik":"0001034323","reported_name":"SMITH ARTHUR L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-02-14T16:07:40.000Z","date":"2021-08-19","kind":"gift","acquired":false,"shares":29834,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":137706,"source":{"system":"sec-edgar","filing":"0001679268-22-000002","document":"wf-form5_164487282832801.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1034323/000167926822000002/wf-form5_164487282832801.xml","form_type":"5"}},{"id":2398767,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":79266,"kind":"person","name":"SMITH ARTHUR L","position":1,"cik":"0001034323","reported_name":"SMITH ARTHUR L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-02-14T16:07:40.000Z","date":"2021-08-12","kind":"gift","acquired":false,"shares":12786,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":167540,"source":{"system":"sec-edgar","filing":"0001679268-22-000002","document":"wf-form5_164487282832801.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1034323/000167926822000002/wf-form5_164487282832801.xml","form_type":"5"}},{"id":2473920,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":79266,"kind":"person","name":"SMITH ARTHUR L","position":1,"cik":"0001034323","reported_name":"SMITH ARTHUR L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-12-14T16:07:31.000Z","date":"2021-12-13","kind":"purchase","acquired":true,"shares":25000,"price":2,"value":50000.0,"ownership":{"direct":true},"balance_after":180326,"source":{"system":"sec-edgar","filing":"0001679268-21-000071","document":"wf-form4_163951603790394.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1034323/000167926821000071/wf-form4_163951603790394.xml","form_type":"4"}},{"id":2680394,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":85626,"kind":"person","name":"Booker Corey J.","position":1,"cik":"0001821262","reported_name":"Booker Corey J.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-06-04T20:54:49.000Z","date":"2021-06-02","kind":"grant","acquired":true,"shares":25641,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 2, 2022 and the date of the issuer's 2022 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer."}],"balance_after":79259,"source":{"system":"sec-edgar","filing":"0001679268-21-000036","document":"wf-form4_162284007499371.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1679268/000167926821000036/wf-form4_162284007499371.xml","form_type":"4"}},{"id":2680876,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":36323,"kind":"person","name":"Jacobi Paul M.","position":1,"cik":"0001477880","reported_name":"Jacobi Paul M.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-06-04T20:53:16.000Z","date":"2021-06-02","kind":"grant","acquired":true,"shares":25641,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 2, 2022 and the date of the issuer's 2022 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Jacobi's employment with Wexford Capital LP. As a result, Mr. Jacobi disclaims any interest in these restricted stock units, except for his pecuniary interest therein."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 2, 2022 and the date of the issuer's 2022 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Jacobi's employment with Wexford Capital LP. As a result, Mr. Jacobi disclaims any interest in these restricted stock units, except for his pecuniary interest therein."}],"balance_after":25641,"source":{"system":"sec-edgar","filing":"0001679268-21-000035","document":"wf-form4_162283997497613.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1477880/000167926821000035/wf-form4_162283997497613.xml","form_type":"4"}},{"id":2681289,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":23456,"kind":"person","name":"Amron Arthur H","position":1,"cik":"0001179697","reported_name":"AMRON ARTHUR H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-06-04T20:50:58.000Z","date":"2021-06-02","kind":"grant","acquired":true,"shares":25641,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 2, 2022 and the date of the issuer's 2022 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Amron's employment with Wexford Capital LP. As a result, Mr. Amron disclaims any interest in these restricted stock units, except for his pecuniary interest therein."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 2, 2022 and the date of the issuer's 2022 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Amron's employment with Wexford Capital LP. As a result, Mr. Amron disclaims any interest in these restricted stock units, except for his pecuniary interest therein."}],"balance_after":25641,"source":{"system":"sec-edgar","filing":"0001679268-21-000033","document":"wf-form4_162283983655667.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1179697/000167926821000033/wf-form4_162283983655667.xml","form_type":"4"}},{"id":2681388,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":79266,"kind":"person","name":"SMITH ARTHUR L","position":1,"cik":"0001034323","reported_name":"SMITH ARTHUR L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-06-04T16:55:54.000Z","date":"2021-06-02","kind":"grant","acquired":true,"shares":25641,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 2, 2022 and the date of the issuer's 2022 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer."}],"balance_after":155326,"source":{"system":"sec-edgar","filing":"0001679268-21-000037","document":"wf-form4_162284012833757.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1034323/000167926821000037/wf-form4_162284012833757.xml","form_type":"4"}},{"id":2680572,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":89870,"kind":"person","name":"Palm James D","position":1,"cik":"0001346557","reported_name":"Palm James D","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-06-04T16:52:28.000Z","date":"2021-06-02","kind":"grant","acquired":true,"shares":25641,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 2, 2022 and the date of the issuer's 2022 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer."}],"balance_after":142816,"source":{"system":"sec-edgar","filing":"0001679268-21-000034","document":"wf-form4_162283992849522.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1346557/000167926821000034/wf-form4_162283992849522.xml","form_type":"4"}},{"id":2794745,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":115843,"kind":"person","name":"Layton Mark E.","position":1,"cik":"0001687210","reported_name":"Layton Mark E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO and Secretary"}}],"security":"Common Stock","published_at":"2021-03-11T17:44:39.000Z","date":"2021-03-11","kind":"sale","acquired":false,"shares":55789,"price":5.2158,"value":290984.2662,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units previously granted under the issuer's equity incentive plan."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $5.06 per share to $5.43 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":495777,"source":{"system":"sec-edgar","filing":"0001679268-21-000010","document":"wf-form4_161550265401624.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1687210/000167926821000010/wf-form4_161550265401624.xml","form_type":"4"}},{"id":2794500,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":96040,"kind":"person","name":"Straehla Arty","position":1,"cik":"0001450919","reported_name":"Straehla Arty","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2021-03-11T17:43:23.000Z","date":"2021-03-10","kind":"sale","acquired":false,"shares":102435,"price":5.2871,"value":541584.0885,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units previously granted under the issuer's equity incentive plan."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $5.11 per share to $5.45 per share, inclusive."}],"balance_after":1331327,"source":{"system":"sec-edgar","filing":"0001679268-21-000009","document":"wf-form4_161550258044814.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1450919/000167926821000009/wf-form4_161550258044814.xml","form_type":"4"}},{"id":2794499,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":96040,"kind":"person","name":"Straehla Arty","position":1,"cik":"0001450919","reported_name":"Straehla Arty","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2021-03-11T17:43:23.000Z","date":"2021-03-09","kind":"sale","acquired":false,"shares":46555,"price":5.4665,"value":254492.9075,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units previously granted under the issuer's equity incentive plan."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $5.30 per share to $5.63 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes 2 and 3 of this Form 4."}],"balance_after":1433762,"source":{"system":"sec-edgar","filing":"0001679268-21-000009","document":"wf-form4_161550258044814.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1450919/000167926821000009/wf-form4_161550258044814.xml","form_type":"4"}},{"id":2981066,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":96040,"kind":"person","name":"Straehla Arty","position":1,"cik":"0001450919","reported_name":"Straehla Arty","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2020-11-13T16:10:06.000Z","date":"2020-11-10","kind":"sale","acquired":false,"shares":5000,"price":1.7759,"value":8879.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold by the reporting person for tax purposes."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $1.76 per share to $1.79 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc. any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":1480317,"source":{"system":"sec-edgar","filing":"0001679268-20-000078","document":"wf-form4_160530178806462.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1450919/000167926820000078/wf-form4_160530178806462.xml","form_type":"4"}},{"id":3036685,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":79266,"kind":"person","name":"SMITH ARTHUR L","position":1,"cik":"0001034323","reported_name":"SMITH ARTHUR L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-09-08T16:08:37.000Z","date":"2020-09-04","kind":"purchase","acquired":true,"shares":20000,"price":1.29,"value":25800.0,"ownership":{"direct":true},"balance_after":129685,"source":{"system":"sec-edgar","filing":"0001679268-20-000069","document":"wf-form4_159959570088899.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1034323/000167926820000069/wf-form4_159959570088899.xml","form_type":"4"}},{"id":3051847,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":85626,"kind":"person","name":"Booker Corey J.","position":1,"cik":"0001821262","reported_name":"Booker Corey J.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-08-19T20:26:14.000Z","date":"2020-08-17","kind":"grant","acquired":true,"shares":53618,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant, pro-rated for the period beginning on August 17, 2020 and ending on July 2, 2021. These securities will vest on the earlier of July 2, 2021 and the date of the issuer's 2021 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer."}],"balance_after":53618,"source":{"system":"sec-edgar","filing":"0001821262-20-000005","document":"wf-form4_159786876159723.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1679268/000182126220000005/wf-form4_159786876159723.xml","form_type":"4"}},{"id":3087479,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":36323,"kind":"person","name":"Jacobi Paul M.","position":1,"cik":"0001477880","reported_name":"Jacobi Paul M.","relationship":{"director":true}}],"security":"Restricted Stock Units","published_at":"2020-07-07T20:30:25.000Z","date":"2020-07-02","kind":"grant","acquired":true,"shares":86957,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of July 2, 2021 and the date of the issuer's 2021 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Jacobi's employment with Wexford Capital LP. As a result, Mr. Jacobi disclaims any interest in these restricted stock units, except for his pecuniary interest therein."},{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of July 2, 2021 and the date of the issuer's 2021 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Jacobi's employment with Wexford Capital LP. As a result, Mr. Jacobi disclaims any interest in these restricted stock units, except for his pecuniary interest therein."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of July 2, 2021 and the date of the issuer's 2021 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Jacobi's employment with Wexford Capital LP. As a result, Mr. Jacobi disclaims any interest in these restricted stock units, except for his pecuniary interest therein."}],"balance_after":86957,"source":{"system":"sec-edgar","filing":"0001048462-20-000011","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1477880/000104846220000011/form4.xml","form_type":"4"}},{"id":3087655,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":23456,"kind":"person","name":"Amron Arthur H","position":1,"cik":"0001179697","reported_name":"AMRON ARTHUR H","relationship":{"director":true}}],"security":"Restricted Stock Units","published_at":"2020-07-07T20:28:14.000Z","date":"2020-07-02","kind":"grant","acquired":true,"shares":86957,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of July 2, 2021 and the date of the issuer's 2021 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Amron's employment with Wexford Capital LP. As a result, Mr. Amron disclaims any interest in these restricted stock units, except for his pecuniary interest therein."},{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of July 2, 2021 and the date of the issuer's 2021 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Amron's employment with Wexford Capital LP. As a result, Mr. Amron disclaims any interest in these restricted stock units, except for his pecuniary interest therein."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of July 2, 2021 and the date of the issuer's 2021 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Amron's employment with Wexford Capital LP. As a result, Mr. Amron disclaims any interest in these restricted stock units, except for his pecuniary interest therein."}],"balance_after":86957,"source":{"system":"sec-edgar","filing":"0001048462-20-000010","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1179697/000104846220000010/form4.xml","form_type":"4"}},{"id":3087690,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":79266,"kind":"person","name":"SMITH ARTHUR L","position":1,"cik":"0001034323","reported_name":"SMITH ARTHUR L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-07-07T16:02:36.000Z","date":"2020-07-02","kind":"grant","acquired":true,"shares":86957,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of July 2, 2021 and the date of the issuer's 2021 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer."}],"balance_after":109685,"source":{"system":"sec-edgar","filing":"0001679268-20-000054","document":"wf-form4_159415214009854.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1034323/000167926820000054/wf-form4_159415214009854.xml","form_type":"4"}},{"id":3087288,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":89870,"kind":"person","name":"Palm James D","position":1,"cik":"0001346557","reported_name":"Palm James D","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-07-07T16:01:57.000Z","date":"2020-07-02","kind":"grant","acquired":true,"shares":86957,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of July 2, 2021 and the date of the issuer's 2021 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer."}],"balance_after":117175,"source":{"system":"sec-edgar","filing":"0001679268-20-000053","document":"wf-form4_159415210480061.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1346557/000167926820000053/wf-form4_159415210480061.xml","form_type":"4"}},{"id":3227279,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":96040,"kind":"person","name":"Straehla Arty","position":1,"cik":"0001450919","reported_name":"Straehla Arty","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2020-03-04T16:24:04.000Z","date":"2020-03-03","kind":"grant","acquired":true,"shares":1300000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the Issuer's 2016 Equity Inventive Plan. All of these units will vest in four equal annual installments beginning on March 3, 2020. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer."}],"balance_after":1485317,"source":{"system":"sec-edgar","filing":"0001679268-20-000009","document":"wf-form4_158335702801100.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1450919/000167926820000009/wf-form4_158335702801100.xml","form_type":"4"}},{"id":3227690,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":115843,"kind":"person","name":"Layton Mark E.","position":1,"cik":"0001687210","reported_name":"Layton Mark E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO and Secretary"}}],"security":"Common Stock","published_at":"2020-03-04T16:21:42.000Z","date":"2020-03-03","kind":"grant","acquired":true,"shares":500000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the Issuer's 2016 Equity Inventive Plan. All of these units will vest in four equal annual installments beginning on March 3, 2020. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer."}],"balance_after":551566,"source":{"system":"sec-edgar","filing":"0001679268-20-000007","document":"wf-form4_158335688545162.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1687210/000167926820000007/wf-form4_158335688545162.xml","form_type":"4"}},{"id":3361711,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":21373,"kind":"organization","name":"WEXFORD CAPITAL LP","position":1,"cik":"0001048462","reported_name":"WEXFORD CAPITAL LP","relationship":{"director":true,"ten_percent_owner":true}},{"id":153614,"kind":"person","name":"Wexford Catalyst Trading LTD","position":2,"cik":"0001415181","reported_name":"Wexford Catalyst Trading LTD","relationship":{"director":true,"ten_percent_owner":true}},{"id":153615,"kind":"person","name":"Wexford Spectrum Trading LTD","position":3,"cik":"0001415180","reported_name":"Wexford Spectrum Trading LTD","relationship":{"director":true,"ten_percent_owner":true}},{"id":153616,"kind":"person","name":"MEH SUB LLC","position":4,"cik":"0001710079","reported_name":"MEH SUB LLC","relationship":{"director":true,"ten_percent_owner":true}},{"id":21374,"kind":"organization","name":"Wexford GP LLC","position":5,"cik":"0001472112","reported_name":"Wexford GP LLC","relationship":{"director":true,"ten_percent_owner":true}},{"id":21375,"kind":"person","name":"DAVIDSON CHARLES E","position":6,"cik":"0001001391","reported_name":"DAVIDSON CHARLES E","relationship":{"director":true,"ten_percent_owner":true}},{"id":21376,"kind":"person","name":"JACOBS JOSEPH","position":7,"cik":"0001048485","reported_name":"JACOBS JOSEPH","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Common Stock","published_at":"2019-11-22T22:35:10.000Z","date":"2019-11-20","kind":"purchase","acquired":true,"shares":16692,"price":1.3281,"value":22168.6452,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the common stock of the Issuer acquired by Wexford Catalyst Trading Limited (\"WCT\")."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents a weighted average price. These shares of common stock were purchased in multiple transactions at prices ranging from $1.3058 to $1.3494, inclusive. The Reporting Persons, as defined below, undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Represents the common stock of the Issuer held in the aggregate by Wexford Spectrum Trading Limited (\"WST\"), WCT, MEH SUB LLC (\"MEH\", and together with WST and WCT, the \"Wexford Entities\") and Wexford Capital LP (\"Wexford Capital\")."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"Wexford Capital may, by reason of its status as (i) sub-advisor of each of WST and WCT and (ii) manager of MEH, be deemed to own beneficially the securities of which the Wexford Entities possess beneficial ownership. Wexford GP LLC (\"Wexford GP\") may, as the General Partner of Wexford Capital, be deemed to own beneficially the securities of which the Wexford Entities possess beneficial ownership. Each of Charles E. Davidson (\"Davidson\") and Joseph M. Jacobs (\"Jacobs\", and together with the Wexford Entities, Wexford Capital, Wexford GP and Davidson, the \"Reporting Persons\") may, by reason of his status as a controlling person of Wexford GP, be deemed to own beneficially the securities of which the Wexford Entities possess beneficial ownership."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"Each of Wexford Capital, Wexford GP, Davidson and Jacobs share the power to vote and to dispose of the securities beneficially owned by the Wexford Entities. Each of Wexford Capital, Wexford GP, Davidson and Jacobs disclaim beneficial ownership of the securities owned by the Wexford Entities and this report shall not be deemed as an admission that they are the beneficial owners of such securities, except to the extent of any pecuniary interests therein.  The Reporting Persons may be deemed to be directors by deputization by virtue of Marc McCarthy and Arthur Amron, each an employee of Wexford Capital, serving as directors of the Issuer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents the common stock of the Issuer acquired by Wexford Catalyst Trading Limited (\"WCT\")."}],"balance_after":22045273,"source":{"system":"sec-edgar","filing":"0001048462-19-000065","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1001391/000104846219000065/form4.xml","form_type":"4"}},{"id":3361249,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":153606,"kind":"person","name":"Ross Matthew","position":1,"cik":"0001689613","reported_name":"Ross Matthew","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-11-22T16:07:20.000Z","date":"2019-11-21","kind":"sale","acquired":false,"shares":2913,"price":1.4402,"value":4195.3026,"ownership":{"direct":true},"balance_after":19815,"source":{"system":"sec-edgar","filing":"0001679268-19-000042","document":"wf-form4_157445682478971.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1689613/000167926819000042/wf-form4_157445682478971.xml","form_type":"4"}},{"id":3363948,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":153669,"kind":"person","name":"YELLEN JONATHAN H","position":1,"cik":"0001368388","reported_name":"YELLEN JONATHAN H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-11-20T16:17:15.000Z","date":"2019-11-18","kind":"grant","acquired":true,"shares":36674,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant, pro-rated for the period beginning on November 18, 2019 and ending on June 5, 2020. These securities will vest on the earlier of June 5, 2020 and the date of the issuer's 2020 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer."}],"balance_after":36674,"source":{"system":"sec-edgar","filing":"0001368388-19-000008","document":"wf-form4_157428462030532.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1368388/000136838819000008/wf-form4_157428462030532.xml","form_type":"4"}},{"id":3370405,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":21373,"kind":"organization","name":"WEXFORD CAPITAL LP","position":1,"cik":"0001048462","reported_name":"WEXFORD CAPITAL LP","relationship":{"director":true,"ten_percent_owner":true}},{"id":153615,"kind":"person","name":"Wexford Spectrum Trading LTD","position":2,"cik":"0001415180","reported_name":"Wexford Spectrum Trading LTD","relationship":{"director":true,"ten_percent_owner":true}},{"id":153614,"kind":"person","name":"Wexford Catalyst Trading LTD","position":3,"cik":"0001415181","reported_name":"Wexford Catalyst Trading LTD","relationship":{"director":true,"ten_percent_owner":true}},{"id":153616,"kind":"person","name":"MEH SUB LLC","position":4,"cik":"0001710079","reported_name":"MEH SUB LLC","relationship":{"director":true,"ten_percent_owner":true}},{"id":21374,"kind":"organization","name":"Wexford GP LLC","position":5,"cik":"0001472112","reported_name":"Wexford GP LLC","relationship":{"director":true,"ten_percent_owner":true}},{"id":21375,"kind":"person","name":"DAVIDSON CHARLES E","position":6,"cik":"0001001391","reported_name":"DAVIDSON CHARLES E","relationship":{"director":true,"ten_percent_owner":true}},{"id":21376,"kind":"person","name":"JACOBS JOSEPH","position":7,"cik":"0001048485","reported_name":"JACOBS JOSEPH","relationship":{"director":true,"ten_percent_owner":true}}],"security":"Common Stock","published_at":"2019-11-15T22:10:15.000Z","date":"2019-11-13","kind":"purchase","acquired":true,"shares":35904,"price":1.3617,"value":48890.4768,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the common stock of the Issuer acquired in the aggregate by Wexford Spectrum Trading Limited (\"WST\") and Wexford Catalyst Trading Limited (\"WCT\")."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents a weighted average price. These shares of common stock were purchased in multiple transactions at prices ranging from $1.3600 to $1.3629, inclusive. The Reporting Persons, as defined below, undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Represents the common stock of the Issuer held in the aggregate by WST, WCT, MEH SUB LLC (\"MEH\", and together with WST and WCT, the \"Wexford Entities\") and Wexford Capital LP (\"Wexford Capital\")."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"Wexford Capital may, by reason of its status as (i) sub-advisor of each of WST and WCT and (ii) manager of MEH, be deemed to own beneficially the securities of which the Wexford Entities possess beneficial ownership. Wexford GP LLC (\"Wexford GP\") may, as the General Partner of Wexford Capital, be deemed to own beneficially the securities of which the Wexford Entities possess beneficial ownership. Each of Charles E. Davidson (\"Davidson\") and Joseph M. Jacobs (\"Jacobs\", and together with the Wexford Entities, Wexford Capital, Wexford GP and Davidson, the \"Reporting Persons\") may, by reason of his status as a controlling person of Wexford GP, be deemed to own beneficially the securities of which the Wexford Entities possess beneficial ownership."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"Each of Wexford Capital, Wexford GP, Davidson and Jacobs share the power to vote and to dispose of the securities beneficially owned by the Wexford Entities. Each of Wexford Capital, Wexford GP, Davidson and Jacobs disclaim beneficial ownership of the securities owned by the Wexford Entities and this report shall not be deemed as an admission that they are the beneficial owners of such securities, except to the extent of any pecuniary interests therein.  The Reporting Persons may be deemed to be directors by deputization by virtue of Marc McCarthy and Arthur Amron, each an employee of Wexford Capital, serving as directors of the Issuer."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents the common stock of the Issuer acquired in the aggregate by Wexford Spectrum Trading Limited (\"WST\") and Wexford Catalyst Trading Limited (\"WCT\")."}],"balance_after":22028581,"source":{"system":"sec-edgar","filing":"0001048462-19-000063","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1001391/000104846219000063/form4.xml","form_type":"4"}},{"id":3497401,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":23456,"kind":"person","name":"Amron Arthur H","position":1,"cik":"0001179697","reported_name":"AMRON ARTHUR H","relationship":{"director":true}}],"security":"Restricted Stock Units","published_at":"2019-06-07T20:35:21.000Z","date":"2019-06-05","kind":"grant","acquired":true,"shares":10493,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 5, 2020 and the date of the issuer's 2020 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Amron's employment with Wexford Capital LP. As a result, Mr. Amron disclaims any interest in these restricted stock units, except for his pecuniary interest therein."},{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 5, 2020 and the date of the issuer's 2020 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Amron's employment with Wexford Capital LP. As a result, Mr. Amron disclaims any interest in these restricted stock units, except for his pecuniary interest therein."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 5, 2020 and the date of the issuer's 2020 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Amron's employment with Wexford Capital LP. As a result, Mr. Amron disclaims any interest in these restricted stock units, except for his pecuniary interest therein."}],"balance_after":10493,"source":{"system":"sec-edgar","filing":"0001048462-19-000039","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1179697/000104846219000039/form4.xml","form_type":"4"}},{"id":3497131,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":121425,"kind":"person","name":"McCarthy Marc T","position":1,"cik":"0001471993","reported_name":"McCarthy Marc T","relationship":{"director":true}}],"security":"Restricted Stock Units","published_at":"2019-06-07T16:33:53.000Z","date":"2019-06-05","kind":"grant","acquired":true,"shares":10493,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 5, 2020 and the date of the issuer's 2020 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. McCarthy's employment with Wexford Capital LP. As a result, Mr. McCarthy disclaims any interest in these restricted stock units, except for his pecuniary interest therein"},{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 5, 2020 and the date of the issuer's 2020 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. McCarthy's employment with Wexford Capital LP. As a result, Mr. McCarthy disclaims any interest in these restricted stock units, except for his pecuniary interest therein"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 5, 2020 and the date of the issuer's 2020 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. McCarthy's employment with Wexford Capital LP. As a result, Mr. McCarthy disclaims any interest in these restricted stock units, except for his pecuniary interest therein"}],"balance_after":10493,"source":{"system":"sec-edgar","filing":"0001048462-19-000038","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1471993/000104846219000038/form4.xml","form_type":"4"}},{"id":3496828,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":89870,"kind":"person","name":"Palm James D","position":1,"cik":"0001346557","reported_name":"Palm James D","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-06-07T16:18:26.000Z","date":"2019-06-05","kind":"grant","acquired":true,"shares":10493,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 5, 2020 and the date of the issuer's 2020 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer."}],"balance_after":30218,"source":{"system":"sec-edgar","filing":"0001679268-19-000025","document":"wf-form4_155993869138180.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1346557/000167926819000025/wf-form4_155993869138180.xml","form_type":"4"}},{"id":3497505,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":79266,"kind":"person","name":"SMITH ARTHUR L","position":1,"cik":"0001034323","reported_name":"SMITH ARTHUR L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-06-07T16:16:47.000Z","date":"2019-06-05","kind":"grant","acquired":true,"shares":10493,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 5, 2020 and the date of the issuer's 2020 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer."}],"balance_after":22728,"source":{"system":"sec-edgar","filing":"0001679268-19-000024","document":"wf-form4_155993859252331.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1034323/000167926819000024/wf-form4_155993859252331.xml","form_type":"4"}},{"id":3497297,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":153606,"kind":"person","name":"Ross Matthew","position":1,"cik":"0001689613","reported_name":"Ross Matthew","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-06-07T16:14:38.000Z","date":"2019-06-05","kind":"grant","acquired":true,"shares":10493,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 5, 2020 and the date of the issuer's 2020 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer."}],"balance_after":22728,"source":{"system":"sec-edgar","filing":"0001679268-19-000023","document":"wf-form4_155993846319205.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1689613/000167926819000023/wf-form4_155993846319205.xml","form_type":"4"}},{"id":3497502,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":155257,"kind":"person","name":"Heerwagen Paul K IV","position":1,"cik":"0001694037","reported_name":"Heerwagen Paul K IV","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-06-07T16:12:56.000Z","date":"2019-06-05","kind":"grant","acquired":true,"shares":10493,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 5, 2020 and the date of the issuer's 2020 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Gulfport Energy Corporation under the terms of Mr. Heerwagen's employment with Gulfport Energy Corporation. As a result, Mr. Heerwagen disclaims any pecuniary interest in these restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 5, 2020 and the date of the issuer's 2020 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Gulfport Energy Corporation under the terms of Mr. Heerwagen's employment with Gulfport Energy Corporation. As a result, Mr. Heerwagen disclaims any pecuniary interest in these restricted stock units."}],"balance_after":10493,"source":{"system":"sec-edgar","filing":"0001679268-19-000022","document":"wf-form4_155993836190276.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1694037/000167926819000022/wf-form4_155993836190276.xml","form_type":"4"}},{"id":3683964,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":23456,"kind":"person","name":"Amron Arthur H","position":1,"cik":"0001179697","reported_name":"AMRON ARTHUR H","relationship":{"director":true}}],"security":"Restricted Stock Units","published_at":"2019-01-29T22:41:31.000Z","date":"2019-01-25","kind":"grant","acquired":true,"shares":1549,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant, pro-rated for the period beginning on January 25, 2019 and ending on June 7, 2019. These securities will vest on the earlier of June 7, 2019 or the date of the issuer's 2019 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Amron's employment with Wexford Capital LP. As a result, Mr. Amron disclaims any interest in these restricted stock units, except for his pecuniary interest therein."},{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant, pro-rated for the period beginning on January 25, 2019 and ending on June 7, 2019. These securities will vest on the earlier of June 7, 2019 or the date of the issuer's 2019 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Amron's employment with Wexford Capital LP. As a result, Mr. Amron disclaims any interest in these restricted stock units, except for his pecuniary interest therein."}],"balance_after":1549,"source":{"system":"sec-edgar","filing":"0001048462-19-000006","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1179697/000104846219000006/form4.xml","form_type":"4"}},{"id":3741916,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":79266,"kind":"person","name":"SMITH ARTHUR L","position":1,"cik":"0001034323","reported_name":"SMITH ARTHUR L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-12-06T16:05:32.000Z","date":"2018-12-03","kind":"sale","acquired":false,"shares":6000,"price":24.8498,"value":149098.8,"ownership":{"direct":false,"nature":"By Arthur L. Smith Family LP"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $24.82 per share to $24.90 per share, inclusive."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares of common stock were held by Arthur L. Smith Family LP, which is managed by Arthur L. Smith Management LLC, of which Mr. Smith is the manager."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares of common stock were held by Arthur L. Smith Family LP, which is managed by Arthur L. Smith Management LLC, of which Mr. Smith is the manager."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001628280-18-014863","document":"wf-form4_154413031095201.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1034323/000162828018014863/wf-form4_154413031095201.xml","form_type":"4"}},{"id":3766821,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":96040,"kind":"person","name":"Straehla Arty","position":1,"cik":"0001450919","reported_name":"Straehla Arty","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2018-11-13T16:12:08.000Z","date":"2018-11-12","kind":"sale","acquired":false,"shares":2230,"price":26.2004,"value":58426.892,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units previously granted under the issuer's equity incentive plan."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $26.10 per share to $26.25 per share, inclusive."}],"balance_after":185317,"source":{"system":"sec-edgar","filing":"0001450919-18-000003","document":"wf-form4_154214350923801.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1450919/000145091918000003/wf-form4_154214350923801.xml","form_type":"4"}},{"id":3766820,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":96040,"kind":"person","name":"Straehla Arty","position":1,"cik":"0001450919","reported_name":"Straehla Arty","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2018-11-13T16:12:08.000Z","date":"2018-11-08","kind":"sale","acquired":false,"shares":11460,"price":27.288,"value":312720.48,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units previously granted under the issuer's equity incentive plan."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $27.26 per share to $27.32 per share, inclusive."}],"balance_after":187547,"source":{"system":"sec-edgar","filing":"0001450919-18-000003","document":"wf-form4_154214350923801.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1450919/000145091918000003/wf-form4_154214350923801.xml","form_type":"4"}},{"id":3766819,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":96040,"kind":"person","name":"Straehla Arty","position":1,"cik":"0001450919","reported_name":"Straehla Arty","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2018-11-13T16:12:08.000Z","date":"2018-11-08","kind":"sale","acquired":false,"shares":25151,"price":26.452,"value":665294.252,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units previously granted under the issuer's equity incentive plan."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $26.26 per share to $27.25 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc. any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes 2, 3 and 4 of this Form 4."}],"balance_after":199007,"source":{"system":"sec-edgar","filing":"0001450919-18-000003","document":"wf-form4_154214350923801.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1450919/000145091918000003/wf-form4_154214350923801.xml","form_type":"4"}},{"id":3767075,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":115843,"kind":"person","name":"Layton Mark E.","position":1,"cik":"0001687210","reported_name":"Layton Mark E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO and Secretary"}}],"security":"Common Stock","published_at":"2018-11-13T16:09:02.000Z","date":"2018-11-09","kind":"sale","acquired":false,"shares":142,"price":26.117,"value":3708.614,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares were sold to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units previously granted under the issuer's equity incentive plan."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $26.11 per share to $26.12 per share, inclusive."}],"balance_after":51566,"source":{"system":"sec-edgar","filing":"0001687210-18-000002","document":"wf-form4_154214332519321.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1687210/000168721018000002/wf-form4_154214332519321.xml","form_type":"4"}}],"next_cursor":"2018-11-13T16:09:02.000000Z,3767075"}