{"transactions":[{"id":3857234,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":2342,"kind":"organization","name":"GULFPORT ENERGY CORP","symbol":"GPOR","position":1,"cik":"0000874499","reported_name":"GULFPORT ENERGY CORP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2018-08-01T23:27:43.000Z","date":"2018-07-30","kind":"sale","acquired":false,"shares":118974,"price":38.01,"value":4522201.74,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares of common stock, par value $0.01 per share (\"Common Stock\") of Mammoth Energy Services, Inc. (the \"Issuer\"), were sold by Gulfport Energy Corporation (\"Gulfport\") to the underwriters in a secondary public offering of Common Stock at a price of $38.01 per share in connection with the underwriters' partial exercise of their option to purchase additional shares of the Issuer's Common Stock from Gulfport and the other selling stockholder granted by such selling stockholders in the previously reported June 2018 secondary offering (the \"Option Exercise\"). The Option Exercise closed on July 30, 2018."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Of these securities, 4,877 are unvested restricted stock units (\"RSUs\") that were granted under the Issuer's 2016 Equity Incentive Plan and were assigned to Gulfport by its director designee to the Issuer's board of directors under the terms of his employment with Gulfport. Such director designee previously reported the acquisition of the RSUs in his Form 4 filings and indicated that these were assigned to Gulfport. Of these 4,877 unvested RSUs, 2,222 will vest on October 19, 2018 and 2,655 will vest on the earlier of June 7, 2019 and the date of the Issuer's 2019 Annual Meeting of Stockholders. Each RSU represents a contingent right to receive one share of Common Stock of the Issuer."}],"balance_after":9829548,"source":{"system":"sec-edgar","filing":"0000899243-18-021021","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874499/000089924318021021/doc4.xml","form_type":"4"}},{"id":3877102,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":2342,"kind":"organization","name":"GULFPORT ENERGY CORP","symbol":"GPOR","position":1,"cik":"0000874499","reported_name":"GULFPORT ENERGY CORP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2018-07-03T20:22:22.000Z","date":"2018-06-29","kind":"sale","acquired":false,"shares":1235600,"price":38.01,"value":46965156.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares of common stock, par value $0.01 per share (\"Common Stock\") of Mammoth Energy Services, Inc. (the \"Issuer\"), were sold by Gulfport Energy Corporation (\"Gulfport\") to the underwriters in a secondary public offering of Common Stock (the \"Offering\") at a price of $38.01 per share, which offering closed on June 29, 2018."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Of these securities, 4,877 are unvested restricted stock units (\"RSUs\") that were granted under the Issuer's 2016 Equity Incentive Plan and were assigned to Gulfport by its director designee to the Issuer's board of directors under the terms of his employment with Gulfport. Such director designee previously reported the acquisition of the RSUs in his Form 4 filings and indicated that these were assigned to Gulfport. Of these 4,877 unvested RSUs, 2,222 will vest on October 19, 2018 and 2,655 will vest on the earlier of June 7, 2019 and the date of the Issuer's 2019 Annual Meeting of Stockholders. Each RSU represents a contingent right to receive one share of Common Stock of the Issuer."}],"balance_after":9948522,"source":{"system":"sec-edgar","filing":"0000899243-18-019188","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874499/000089924318019188/doc4.xml","form_type":"4"}},{"id":4060786,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":2342,"kind":"organization","name":"GULFPORT ENERGY CORP","symbol":"GPOR","position":1,"cik":"0000874499","reported_name":"GULFPORT ENERGY CORP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2018-02-15T01:52:00.000Z","date":"2017-06-05","kind":"grant","acquired":true,"shares":2098137,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On June 5, 2017, Gulfport Energy Corporation (\"Gulfport\") received 2,098,137 shares of common stock, par value $0.01 per share (\"Common Stock\"), of Mammoth Energy Services, Inc. (the \"Issuer\") from the Issuer as consideration for Gulfport's contribution of its membership interests in Sturgeon Acquisitions LLC, Stingray Energy Services LLC and Stingray Cementing LLC pursuant to three contribution agreements, each dated as of March 20, 2017, and as amended and restated on May 12, 2017, by and among Gulfport, the Issuer and certain other contributors party thereto, and each of which was approved in advance by the board of directors of the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On June 5, 2017, Gulfport Energy Corporation (\"Gulfport\") received 2,098,137 shares of common stock, par value $0.01 per share (\"Common Stock\"), of Mammoth Energy Services, Inc. (the \"Issuer\") from the Issuer as consideration for Gulfport's contribution of its membership interests in Sturgeon Acquisitions LLC, Stingray Energy Services LLC and Stingray Cementing LLC pursuant to three contribution agreements, each dated as of March 20, 2017, and as amended and restated on May 12, 2017, by and among Gulfport, the Issuer and certain other contributors party thereto, and each of which was approved in advance by the board of directors of the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Of these securities, 5,135 are unvested restricted stock units (\"RSUs\") that were granted under the Issuer's 2016 Equity Incentive Plan and were assigned to Gulfport by its director designees to the Issuer's board of directors under the terms of their respective employment with Gulfport. Such director designees previously reported the acquisition of the RSUs in their respective Form 4 filings and indicated that these were assigned to Gulfport. Of these 5,135 unvested RSUs, 2,222 will vest on October 19, 2018 and 2,913 will vest on the earlier of June 8, 2018 and the date of the Issuer's 2018 Annual Meeting of Stockholders. Each RSU represents a contingent right to receive one share of Common Stock of the Issuer."}],"balance_after":11181467,"source":{"system":"sec-edgar","filing":"0000899243-18-004028","document":"doc5.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/874499/000089924318004028/doc5.xml","form_type":"5"}},{"id":4576472,"issuer":{"id":6519,"kind":"organization","name":"MAMMOTH ENERGY SERVICES, INC.","symbol":"TUSK"},"owners":[{"id":2342,"kind":"organization","name":"GULFPORT ENERGY CORP","symbol":"GPOR","position":1,"cik":"0000874499","reported_name":"GULFPORT ENERGY CORP","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2016-10-22T00:38:42.000Z","date":"2016-10-19","kind":"sale","acquired":false,"shares":76250,"price":14.0625,"value":1072265.625,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares of comon stock were sold by Gulfport to the underwriters in the IPO at a price of $14.0625 per share."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Of these securities, 9,073,750 shares of common stock were received by Gulfport in connection with Gulfport's contribution of its membership interests in Mammoth Energy Partners LLC to the Issuer, which was completed prior to the IPO and approved by the board of directors of the Issuer in advance."}],"balance_after":9080417,"source":{"system":"sec-edgar","filing":"0000899243-16-032195","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/874499/000089924316032195/doc4.xml","form_type":"4"}}]}