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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":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":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":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":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":4160370,"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":"2017-11-16T18:58:23.000Z","date":"2017-11-15","kind":"sale","acquired":false,"shares":7553,"price":17.8091,"value":134512.1323,"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 $17.52 per share to $18.11 per share, inclusive."}],"balance_after":224158,"source":{"system":"sec-edgar","filing":"0000899243-17-026659","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1450919/000089924317026659/doc4.xml","form_type":"4"}},{"id":4160369,"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":"2017-11-16T18:58:23.000Z","date":"2017-11-14","kind":"sale","acquired":false,"shares":18289,"price":18.7134,"value":342249.3726,"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 $18.50 per share to $19.11 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 ranges set forth in footnotes 2 and 3 of this Form 4."}],"balance_after":231711,"source":{"system":"sec-edgar","filing":"0000899243-17-026659","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1450919/000089924317026659/doc4.xml","form_type":"4"}},{"id":4409271,"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":"2017-03-02T18:36:22.000Z","date":"2017-02-28","kind":"purchase","acquired":true,"shares":460,"price":21.7565,"value":10007.99,"ownership":{"direct":false,"nature":"As custodian for grandchild's UTMA account."},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"The shares are held in a custodial account for the benefit of Mr. Straehla's grandchild. Mr. Straehla maintains investment control over the account and may be deemed to have beneficial ownership of these shares."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"The shares are held in a custodial account for the benefit of Mr. Straehla's grandchild. Mr. Straehla maintains investment control over the account and may be deemed to have beneficial ownership of these shares."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The shares are held in a custodial account for the benefit of Mr. Straehla's grandchild. Mr. Straehla maintains investment control over the account and may be deemed to have beneficial ownership of these shares."}],"balance_after":460,"source":{"system":"sec-edgar","filing":"0000899243-17-006146","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1450919/000089924317006146/doc4.xml","form_type":"4"}},{"id":4576111,"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":"2016-10-21T18:55:37.000Z","date":"2016-10-19","kind":"grant","acquired":true,"shares":250000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These securities are restricted stock units that were granted under the Issuer's 2016 Equity Incentive Plan.  All of these units will vest in three substantially equal installments beginning on October 19, 2017. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer."}],"balance_after":251332,"source":{"system":"sec-edgar","filing":"0000899243-16-032186","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1450919/000089924316032186/doc4.xml","form_type":"4"}},{"id":4576110,"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":"2016-10-21T18:55:37.000Z","date":"2016-10-19","kind":"purchase","acquired":true,"shares":666,"price":15,"value":9990.0,"ownership":{"direct":false,"nature":"As custodian for grandchild's UTMA account"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares of common stock, par value $0.01 per share (the \"Common Stock\"), of Mammoth Energy Services, Inc. (the \"Issuer\") were purchased under the directed share program in connection with the Issuer's initial public offering (the \"IPO\"). The underwriters reserved for sale at the IPO price up to 5% of the Common Stock being offered in the IPO for sale to the Issuer's employees, executive officers, directors, business associates and related persons at the public offering price. Shares of Common Stock bought by the reporting person in the directed share program are subject to a lock-up agreement entered into by the reporting person in connection with the IPO."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The shares are held in a custodial account for the benefit of two of Mr. Straehla's grandchildren. Mr. Straehla maintains investment control over the account."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in a custodial account for the benefit of two of Mr. Straehla's grandchildren. Mr. Straehla maintains investment control over the account."}],"balance_after":1332,"source":{"system":"sec-edgar","filing":"0000899243-16-032186","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1450919/000089924316032186/doc4.xml","form_type":"4"}},{"id":4576109,"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":"2016-10-21T18:55:37.000Z","date":"2016-10-19","kind":"purchase","acquired":true,"shares":666,"price":15,"value":9990.0,"ownership":{"direct":false,"nature":"As custodian for grandchild's UTMA account"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares of common stock, par value $0.01 per share (the \"Common Stock\"), of Mammoth Energy Services, Inc. (the \"Issuer\") were purchased under the directed share program in connection with the Issuer's initial public offering (the \"IPO\"). The underwriters reserved for sale at the IPO price up to 5% of the Common Stock being offered in the IPO for sale to the Issuer's employees, executive officers, directors, business associates and related persons at the public offering price. Shares of Common Stock bought by the reporting person in the directed share program are subject to a lock-up agreement entered into by the reporting person in connection with the IPO."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The shares are held in a custodial account for the benefit of two of Mr. Straehla's grandchildren. Mr. Straehla maintains investment control over the account."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares are held in a custodial account for the benefit of two of Mr. Straehla's grandchildren. Mr. Straehla maintains investment control over the account."}],"balance_after":666,"source":{"system":"sec-edgar","filing":"0000899243-16-032186","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1450919/000089924316032186/doc4.xml","form_type":"4"}}]}