TUSK Pengajuan SEC - Mammoth Energy Services, Inc.- Laporan Tahunan, Pernyataan Kuasa, Prospektus

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SEC Filings

All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Mammoth Energy Services, Inc.

SEC Filings (Chronological Order)

Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.

August 8, 2025	EX-10.1	N810LA Helicopter Lease Extension Agreement, dated as of July 1, 2025 by and between Cobra Aviation Services LLC and Brim Equipment Leasing LLC. Exhibit 10.1 LEASE EXTENSION AGREEMENT This Lease Extension Agreement (“Extension Agreement”) is made and entered into as of July 1, 2025, by and between Cobra Aviation Services LLC, a Delaware limited liability company (“Lessor”) and Brim Equipment Leasing LLC, an Oregon limited liability company (“Lessee”). Recitals A.The parties entered into that certain helicopter lease agreement dated as of J
August 8, 2025	EX-99.1	Mammoth Energy Services, Inc. Announces Second Quarter 2025 Operational and Financial Results Exhibit 99.1 Mammoth Energy Services, Inc. Announces Second Quarter 2025 Operational and Financial Results OKLAHOMA CITY, OK – August 8, 2025 – Mammoth Energy Services, Inc. (NASDAQ: TUSK) (“Mammoth” or the “Company”) today reported financial and operational results for the second quarter ended June 30, 2025. Mark Layton, Chief Financial Officer of Mammoth commented, “We were pleased to have execu
August 8, 2025	8-K	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 8, 2025 Mammoth Energy Ser UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 8, 2025 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of
August 8, 2025	EX-95.1	Mine Safety Disclosure Exhibit EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
August 8, 2025	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 ☐ TRANSITION REPORT PURSUANT TO S UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File No. 001-37917 Mammoth Energy Services, Inc
August 8, 2025	EX-10.2	N904AF Helicopter Lease Extension Agreement, dated as of July 1, 2025 by and between Leopard Aviation LLC and Brim Equipment Leasing LLC. Exhibit 10.2 LEASE EXTENSION AGREEMENT This Lease Extension Agreement (“Extension Agreement”) is made and entered into as of July 1, 2025, by and between Leopard Aviation LLC, a Delaware limited liability company (“Lessor”) and Brim Equipment Leasing LLC, an Oregon limited liability company (“Lessee”). Recitals A.The parties entered into that certain helicopter lease agreement dated as of January
July 3, 2025	8-K	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 30, 2025 Mammoth Energy Serv UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 30, 2025 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of
July 3, 2025	EX-10.1	, 2025 by and between Fifth Third Bank, National Association, and Mammoth Energy Services, Inc. Exhibit 10.1 FIFTH THIRD BANK, NATIONAL ASSOCIATION 38 Fountain Square Plaza Cincinnati, Ohio 45202 July 2, 2025 Mammoth Energy Services, Inc. 14201 Caliber Drive, Suite 300 Oklahoma City, Oklahoma 73134 Re: Stifel Accounts; Reduction of Revolving Loan Commitments Ladies and Gentlemen: Reference is made to the Revolving Credit Agreement (as amended, restated, supplemented or otherwise modified fro
June 30, 2025	8-K	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 24, 2025 Mammoth Energy Serv UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 24, 2025 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of
June 20, 2025	EX-10.1	Equipment Purchase Agreement, dated as of June 16, 2025, by and among Stingray Pressure Pumping LLC, Mammoth Equipment Leasing LLC and MGB Manufacturing, LLC. Exhibit 10.1 EQUIPMENT PURCHASE AGREEMENT THIS EQUIPMENT PURCHASE AGREEMENT, dated the 16th day of June, 2025 (this "Agreement"), is entered into by and among STINGRAY PRESSURE PUMPING LLC, a Delaware limited liability company (“Stingray”), and MAMMOTH EQUIPMENT LEASING LLC, a Delaware limited liability company (“MEL,” and together with Stingray, the "Sellers"), and MGB MANUFACTURING, LLC, a Texas
June 20, 2025	EX-99.1	MAMMOTH ENERGY SERVICES, INC. UNAUDITED PRO FORMA CONDENSED CONSOLIDATED FINANCIAL STATEMENTS Exhibit 99.1 MAMMOTH ENERGY SERVICES, INC. UNAUDITED PRO FORMA CONDENSED CONSOLIDATED FINANCIAL STATEMENTS On June 16, 2025, Stingray Pressure Pumping LLC (“Stingray”) and Mammoth Equipment Leasing LLC (“Mammoth Equipment”), subsidiaries of Mammoth Energy Services, Inc. (“Mammoth” or the “Company”), entered into an Equipment Purchase Agreement (the “Agreement”), as the sellers, with MGB Manufactur
June 20, 2025	8-K	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 16, 2025 Mammoth Energy Serv UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 16, 2025 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of
June 12, 2025	8-K	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 11, 2025 Mammoth Energy Serv UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 11, 2025 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of
June 5, 2025	8-K	Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 30, 2025 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of i
May 7, 2025	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 ☐ TRANSITION REPORT PURSUANT TO UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File No. 001-37917 Mammoth Energy Services, In
May 7, 2025	EX-99.1	Mammoth Energy Services, Inc. Announces First Quarter 2025 Operational and Financial Results Exhibit 99.1 Mammoth Energy Services, Inc. Announces First Quarter 2025 Operational and Financial Results OKLAHOMA CITY, OK – May 7, 2025 – Mammoth Energy Services, Inc. (NASDAQ: TUSK) (“Mammoth” or the “Company”) today reported financial and operational results for the first quarter ended March 31, 2025. Phil Lancaster, Chief Executive Officer of Mammoth commented, “We are pleased with the streng
May 7, 2025	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 7, 2025 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of in
May 7, 2025	EX-95.1	Mine Safety Disclosure Exhibit EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
April 28, 2025	DEFA14A	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 ý Filed by Registrant Check the appropriate box ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Definitive Proxy Statement ý Definitive Additional Materials ¨ Solicitin
April 28, 2025	DEF 14A	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 ý Filed by Registrant ¨ Filed by a Party other than the Registrant Check the appropriate box ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ý Definitive Proxy Statement
April 17, 2025	EX-99.2	MAMMOTH ENERGY SERVICES, INC. UNAUDITED PRO FORMA CONDENSED CONSOLIDATED FINANCIAL STATEMENTS Exhibit 99.2 MAMMOTH ENERGY SERVICES, INC. UNAUDITED PRO FORMA CONDENSED CONSOLIDATED FINANCIAL STATEMENTS On April 11, 2025, Lion Power Services LLC (“Lion”), a subsidiary of Mammoth Energy Services, Inc. (“Mammoth” or the “Company”), entered into an Equity Interest Purchase Agreement (the “Agreement”), as the seller, with Peak Utility Services Group, Inc. (the “Buyer”) pursuant to which Lion sol
April 17, 2025	EX-10.2	Amendment No. 2 to Revolving Credit Agreement, dated as of April 11, 2025, by and among Mammoth Energy Services, Inc. and Fifth Third Bank, National Association. Exhibit 10.2 AMENDMENT NO. 2 TO REVOLVING CREDIT AGREEMENT This AMENDMENT NO. 2 TO CREDIT AGREEMENT, dated as of April 11, 2025 (this “Agreement”), is entered into by and among MAMMOTH ENERGY SERVICES, INC., a Delaware corporation, as the Borrower, the other Loan Parties party hereto, and FIFTH THIRD BANK, NATIONAL ASSOCIATION, as the Agent and sole Lender. RECITALS WHEREAS, reference is made to t
April 17, 2025	EX-10.3	Annex A to Amendment No. 2 to Revolving Credit Agreement, dated as of April 11, 2025, by and among Mammoth Energy Services, Inc. and Fifth Third Bank, National Association. Exhibit 10.3 Annex A to Amendment No. 2 REVOLVING CREDIT AGREEMENT dated as of October 16, 2023 by and among MAMMOTH ENERGY SERVICES, INC., as Borrower, the other Loan Parties from time to time party hereto, the Lenders from time to time party hereto, and FIFTH THIRD BANK, NATIONAL ASSOCIATION, as Sole Lead Arranger, Sole Bookrunner, Agent, L/C Issuer and Swing Line Lender 53/Mammoth – Credit Agre
April 17, 2025	EX-10.1	Equity Interest Purchase Agreement, dated as of April 11, 2025, by and among Lion Power Services LLC, 5 Star Electric, LLC, Higher Power Electrical, LLC, Python Equipment LLC, Peak Utility Services Group, Inc. and Mammoth Energy Services, Inc. Exhibit 10.1 [***] CERTAIN INFORMATION HAS BEEN EXCLUDED PURSUANT TO REGULATION S-K, ITEMS 601(B)(2)(II) AND 601(A)(5), FROM THIS DOCUMENT BECAUSE IT IS BOTH NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL EQUITY INTEREST PURCHASE AGREEMENT by and among LION POWER SERVICES LLC as the Seller 5 STAR ELECTRIC, LLC as 5 Star HIGHER POWER ELECTRICAL, LLC as Higher Pow
April 17, 2025	8-K	Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 11, 2025 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of
April 17, 2025	EX-99.1	Mammoth Energy Services, Inc. Announces Sale of Infrastructure Subsidiaries Cash Position Grows to $160 million; Further Expands Deployment Opportunities Company Acquires Planes to Expand Aircraft Rental Services Fleet Exhibit 99.1 Mammoth Energy Services, Inc. Announces Sale of Infrastructure Subsidiaries Cash Position Grows to $160 million; Further Expands Deployment Opportunities Company Acquires Planes to Expand Aircraft Rental Services Fleet OKLAHOMA CITY – April 14, 2025 - Mammoth Energy Services, Inc. (NASDAQ: TUSK) (“Mammoth” or the “Company”) today announced that its subsidiary Lion Power Services LLC (
March 12, 2025	EX-16.1	Letter of Grant Thornton LLP dated March 11, 2025. Exhibit 16.1 March 11, 2025 U.S. Securities and Exchange Commission Office of the Chief Accountants 100 F Street, NE Washington, DC 20549 Re: Mammoth Energy Services, Inc. File No. 001-37917 Dear Sir or Madam: We have read Item 4.01 of Form 8-K of Mammoth Energy Services, Inc. dated March 7, 2025, and agree with the statements concerning our Firm contained therein. Very truly yours, /s/ Grant Thor
March 12, 2025	8-K	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 7, 2025 Mammoth Energy Serv UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 7, 2025 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of
March 7, 2025	EX-10.2	N904AF Helicopter Lease Extension Agreement, dated as of January 1, 2025 by and between Leopard Aviation LLC and Brim Equipment Leasing LLC. Exhibit 10.2 LEASE EXTENSION AGREEMENT This Lease Extension Agreement (“Extension Agreement”) is made and entered into as of January 1, 2025, by and between Leopard Aviation LLC, a Delaware limited liability company (“Lessor”) and Brim Equipment Leasing LLC, an Oregon limited liability company (“Lessee”). Recitals A.The parties entered into that certain helicopter lease agreement dated as of Janua
March 7, 2025	EX-95.1	Mine Safety Disclosure Exhibit. EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
March 7, 2025	EX-10.1	N810LA Helicopter Lease Extension Agreement, dated as of January 1, 2025 by and between Cobra Aviation Services LLC and Brim Equipment Leasing LLC. Exhibit 10.1 LEASE EXTENSION AGREEMENT This Lease Extension Agreement (“Extension Agreement”) is made and entered into as of January 1, 2025, by and between Cobra Aviation Services LLC, a Delaware limited liability company (“Lessor”) and Brim Equipment Leasing LLC, an Oregon limited liability company (“Lessee”). Recitals A.The parties entered into that certain helicopter lease agreement dated as o
March 7, 2025	EX-99.1	Mammoth Energy Services, Inc. Announces Fourth Quarter and Full Year 2024 Operational and Financial Results Exhibit 99.1 Mammoth Energy Services, Inc. Announces Fourth Quarter and Full Year 2024 Operational and Financial Results OKLAHOMA CITY - March 7, 2025 - Mammoth Energy Services, Inc. (NASDAQ: TUSK) (“Mammoth” or the “Company”) today reported financial and operational results for the fourth quarter and full year ended December 31, 2024. Phil Lancaster, Chief Executive Officer of Mammoth commented,
March 7, 2025	10-K	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTI UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File No. 001-37917 Mammoth Energy Services, Inc. (Exact name of registrant as specifi
March 7, 2025	EX-19.2	Mammoth Energy Services Inc. Supplemental Insider Trading Policy Exhibit 19.2 MAMMOTH ENERGY SERVICES, INC. SUPPLEMENTAL POLICY CONCERNING TRADING IN COMPANY SECURITIES BY CERTAIN DESIGNATED PERSONS This policy supplements our Policy Prohibiting Insider Trading and Unauthorized Disclosure of Information to Others. This policy applies to certain designated persons. If you are subject to this policy, we will notify you and provide you with a copy of this policy.
March 7, 2025	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 7, 2025 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of
March 7, 2025	EX-21.1	List of Significant Subsidiaries of the Company. EXHIBIT 21.1 Mammoth Energy Services, Inc. List of Significant Subsidiaries Name of Subsidiary 5 Star Electric LLC Anaconda Manufacturing LLC Aquawolf LLC Bison Drilling and Field Services LLC Bison Trucking LLC Black Mamba Energy LLC Cobra Acquisitions LLC Cobra Aviation Services LLC Lion Power Services LLC Dire Wolf Energy Services LLC Great White Sand Tiger Lodging Ltd. Higher Power Electrical
March 7, 2025	EX-19.1	Mammoth Energy Services Inc. Insider Trading and Unauthorized Disclosure of Information Policy Exhibit 19.1 MAMMOTH ENERGY SERVICES, INC. POLICY PROHIBITING INSIDER TRADING AND UNAUTHORIZED DISCLOSURE OF INFORMATION TO OTHERS This policy supersedes all previous insider trading policies adopted by our board of directors. After you have read this policy, please sign the Certification that is attached to this policy and return it to the Compliance Officer at the address indicated on the Certif
February 13, 2025	8-K	Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 10, 2025 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction
November 13, 2024	SC 13G/A	TUSK / Mammoth Energy Services, Inc. / VALUEWORKS LLC Passive Investment SC 13G/A 1 d1152931913g-a.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* Mammoth Energy Services, Inc. (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 56155L108 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of this Statement) Check the appropri
November 7, 2024	EX-99.1	Mammoth Energy Services, Inc. Announces CEO Transition Exhibit 99.1 Mammoth Energy Services, Inc. Announces CEO Transition OKLAHOMA CITY - November 7, 2024 - Mammoth Energy Services, Inc. (NASDAQ: TUSK) (“Mammoth” or the “Company”) today announced that Arty Straehla has notified Mammoth’s Board of Directors of his decision to retire as the CEO of the Company, effective as of December 31, 2024. He will remain the CEO of the Company until Phil Lancaster
November 7, 2024	8-K	Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 6, 2024 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction
November 1, 2024	EX-99.1	Mammoth Energy Services, Inc. Announces Third Quarter 2024 Operational and Financial Results Exhibit 99.1 Mammoth Energy Services, Inc. Announces Third Quarter 2024 Operational and Financial Results OKLAHOMA CITY - November 1, 2024 - Mammoth Energy Services, Inc. (NASDAQ: TUSK) (“Mammoth” or the “Company”) today reported financial and operational results for the third quarter ended September 30, 2024. Arty Straehla, Chief Executive Officer of Mammoth commented, “Softness across our Well C
November 1, 2024	EX-10.1	Credit Agreement Amendment, dated as of October 16, 2024, by and between the Company and Fifth Third Bank, National Association. Exhibit 10.1 FIFTH THIRD BANK, NATIONAL ASSOCIATION 38 Fountain Square Plaza Cincinnati, Ohio 45202 October 16, 2024 Mammoth Energy Services, Inc. 14201 Caliber Drive, Suite 300 Oklahoma City, Oklahoma 73134 Re: PREPA Letter of Credit Ladies and Gentlemen: Reference is made to the following: (a)the Revolving Credit Agreement (the “Credit Agreement”; capitalized terms used and not defined herein sh
November 1, 2024	EX-95.1	Mine Safety Disclosure Exhibit EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
November 1, 2024	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 ☐ TRANSITION REPORT PURSUANT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File No. 001-37917 Mammoth Energy Services
November 1, 2024	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 1, 2024 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction
October 21, 2024	EX-99.1	Cobra Acquisitions LLC Announces Receipt of $18.4 Million From PREPA Exhibit 99.1 Cobra Acquisitions LLC Announces Receipt of $18.4 Million From PREPA OKLAHOMA CITY – October 21, 2024 – Cobra Acquisitions LLC (“Cobra”), a wholly owned subsidiary of Mammoth Energy Services, Inc. (“Mammoth” or the “Company”) (NASDAQ: TUSK), today announced the receipt of $18.4 million from the Puerto Rico Electric Power Authority (“PREPA”) in accordance with the previously announced
October 21, 2024	8-K	Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 16, 2024 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction
October 3, 2024	EX-99.2	Mammoth Announces Payoff and Termination of Term Credit Facility and Increase in 2024 Capital Expenditure Guidance Exhibit 99.2 Mammoth Announces Payoff and Termination of Term Credit Facility and Increase in 2024 Capital Expenditure Guidance OKLAHOMA CITY – October 3, 2024 – Mammoth Energy Services, Inc. (“Mammoth” or the “Company”) (NASDAQ: TUSK) today announced the payoff and termination of its term credit facility with Wexford Capital LP. On October 2, 2024, the Company used a portion of the proceeds recei
October 3, 2024	EX-99.1	Cobra Acquisitions LLC Announces Receipt of $150 Million Exhibit 99.1 Cobra Acquisitions LLC Announces Receipt of $150 Million OKLAHOMA CITY – October 1, 2024 – Cobra Acquisitions LLC (“Cobra”), a wholly owned subsidiary of Mammoth Energy Services, Inc. (“Mammoth” or the “Company”) (NASDAQ: TUSK), today announced the receipt of $150 million from the Commonwealth of Puerto Rico in accordance with the Settlement Agreement with the Puerto Rico Electric Pow
October 3, 2024	8-K	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 1, 2024 Mammoth Energy Se UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 1, 2024 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction o
August 9, 2024	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 ☐ TRANSITION REPORT PURSUANT TO S UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File No. 001-37917 Mammoth Energy Services, Inc
August 9, 2024	EX-99.1	Mammoth Energy Services, Inc. Announces Second Quarter 2024 Operational and Financial Results Exhibit 99.1 Mammoth Energy Services, Inc. Announces Second Quarter 2024 Operational and Financial Results OKLAHOMA CITY - August 9, 2024 - Mammoth Energy Services, Inc. (“Mammoth” or the “Company”) (NASDAQ: TUSK) today reported financial and operational results for the second quarter ended June 30, 2024. Financial Overview for the Second Quarter 2024: Total revenue was $51.5 million for the secon
August 9, 2024	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 9, 2024 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of
August 9, 2024	EX-10.1	, 2024, between Cobra Acquisitions LLC, the Puerto Rico Electric Power Authority and the Financial Oversight and Management Board for Puerto Rico. Exhibit 10.1 RELEASE AND SETTLEMENT AGREEMENT This release and settlement agreement (this “Agreement”) is dated July 22, 2024, between Cobra Acquisitions LLC (“Cobra”), the Puerto Rico Electric Power Authority (“PREPA”) and the Financial Oversight and Management Board for Puerto Rico, in its capacity as the sole Title III representative for PREPA (“FOMB” and, together with PREPA, the “Government P
August 9, 2024	EX-95.1	Mine Safety Disclosure Exhibit EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
July 23, 2024	8-K	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 22, 2024 Mammoth Energy Serv UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 22, 2024 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of
June 24, 2024	CORRESP	Mammoth Energy Services, Inc. 14201 Caliber Drive, Suite 300 Oklahoma City, OK 73134 Mammoth Energy Services, Inc. 14201 Caliber Drive, Suite 300 Oklahoma City, OK 73134 June 24, 2024 VIA EDGAR Division of Corporation Finance Securities and Exchange Commission 100 F. Street, N.E. Washington, D.C. 20549 Attention: Office of Energy & Transportation Liz Packebusch, Staff Attorney Re: MAMMOTH ENERGY SERVICES, INC. Registration Statement on Form S-3 Filed June 13, 2024 File No. 333-280
June 14, 2024	8-K	Submission of Matters to a Vote of Security Holders UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 12, 2024 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of
June 13, 2024	EX-FILING FEES	Calculation of Filing Fee Table. Exhibit 107 Calculation of Filing Fee Tables Form S-3 (Form Type) Mammoth Energy Services, Inc.
June 13, 2024	S-3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-3 REGISTRATION STATEMENT THE SECURITIES ACT OF 1933 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) Delaware 1389 32-0498321 (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) (I.R.S. Emp
June 12, 2024	S-8	As filed with the Securities and Exchange Commission on June 12, 2024 As filed with the Securities and Exchange Commission on June 12, 2024 Registration No.
June 12, 2024	EX-FILING FEES	Calculation of Filing Fee Table. Exhibit 107 Calculation of Filing Fee Table Form S-8 (Form Type) Mammoth Energy Services, Inc.
May 2, 2024	EX-95.1	Mine Safety Disclosure Exhibit EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
May 2, 2024	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 ☐ TRANSITION REPORT PURSUANT TO UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File No. 001-37917 Mammoth Energy Services, In
May 2, 2024	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 2, 2024 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of in
May 2, 2024	EX-99.1	Mammoth Energy Services, Inc. Announces First Quarter 2024 Operational and Financial Results Exhibit 99.1 Mammoth Energy Services, Inc. Announces First Quarter 2024 Operational and Financial Results OKLAHOMA CITY - May 2, 2024 - Mammoth Energy Services, Inc. (“Mammoth” or the “Company”) (NASDAQ: TUSK) today reported financial and operational results for the first quarter ended March 31, 2024. Financial Overview for the First Quarter 2024: Total revenue was $43.2 million for the first quar
April 29, 2024	DEF 14A	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 ý Filed by Registrant ¨ Filed by a Party other than the Registrant Check the appropriate box ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ý Definitive Proxy Statement
April 29, 2024	DEFA14A	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 ý Filed by Registrant Check the appropriate box ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Definitive Proxy Statement ý Definitive Additional Materials ¨ Solicitin
March 1, 2024	EX-21.1	List of Significant Subsidiaries of the Company. EXHIBIT 21.1 Mammoth Energy Services, Inc. List of Significant Subsidiaries Name of Subsidiary 5 Star Electric LLC Anaconda Manufacturing LLC Anaconda Rentals LLC Aquahawk Energy LLC Aquawolf LLC Barracuda Logistics LLC Bison Drilling and Field Services LLC Bison Sand Logistics LLC Bison Trucking LLC Black Mamba Energy LLC Cobra Acquisitions LLC Cobra Aviation LLC Lion Power Services LLC Dire Wolf
March 1, 2024	EX-95.1	Mine Safety Disclosure Exhibit. EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
March 1, 2024	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 1, 2024 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of
March 1, 2024	EX-99.1	Mammoth Energy Services, Inc. Announces PREPA’s Payment of $50.6 Million and Reports Fourth Quarter and Full Year 2023 Operational and Financial Results Exhibit 99.1 Mammoth Energy Services, Inc. Announces PREPA’s Payment of $50.6 Million and Reports Fourth Quarter and Full Year 2023 Operational and Financial Results OKLAHOMA CITY - March 1, 2024 - Mammoth Energy Services, Inc. (“Mammoth” or the “Company”) (NASDAQ: TUSK) today announced payment of $50.6 million from the Puerto Rico Electric Power Authority (“PREPA”) for a portion of the work its w
March 1, 2024	10-K	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTI UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File No. 001-37917 Mammoth Energy Services, Inc. (Exact name of registrant as specifi
March 1, 2024	EX-97.1	Mammoth Energy Services, Inc. Clawback Policy, effective as of December 1, 2023. MAMMOTH ENERGY SERVICES, INC. Clawback Policy Effective as of December 1, 2023 Section 1. Purpose This Clawback Policy (this “Policy”) has been adopted by the Board of Directors (the “Board”) of Mammoth Energy Services, Inc. (the “Company”) effective as of December 1, 2023. This Policy is designed to comply with Section 10D of the Securities Exchange Act of 1934 (the “Exchange Act”) and with Nasda
February 13, 2024	SC 13G/A	TUSK / Mammoth Energy Services, Inc. / VALUEWORKS LLC Passive Investment SC 13G/A 1 d1096487413g-a.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Mammoth Energy Services, Inc. (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 56155L108 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropria
February 9, 2024	SC 13G/A	TUSK / Mammoth Energy Services, Inc. / WEXFORD CAPITAL LP - WEXFORD CAPITAL 13GA7 02-09-2024 Passive Investment SC 13G/A 1 formsc13ga7.htm WEXFORD CAPITAL 13GA7 02-09-2024 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 7) Mammoth Energy Services, Inc. (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 56155L108 (CUSIP Number) December 31, 2023 (Date of Event which Requires Filing of this
February 7, 2024	SC 13G/A	TUSK / Mammoth Energy Services, Inc. / ADAGE CAPITAL PARTNERS GP, L.L.C. - MAMMOTH ENERGY SERVICES, INC. Passive Investment SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 2)* Mammoth Energy Services, Inc. (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 56155L108 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule p
December 6, 2023	8-K	Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 1, 2023 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction
December 6, 2023	EX-10.1	Assignment Agreement, dated as of December 1, 2023, between Cobra Acquisitions LLC, as seller, Mammoth Energy Services, Inc. as guarantor, and SPCP Group, LLC, as purchaser. Exhibit 10.1 Execution Version ASSIGNMENT AGREEMENT SELLER: COBRA ACQUISITIONS LLC PURCHASER: SPCP GROUP, LLC TRADE DATE: October 6, 2023 AGREEMENT DATE: December 1, 2023 DEBTOR: PUERTO RICO ELECTRIC POWER AUTHORITY (“PREPA”) PROCEEDINGS: In re: THE FINANCIAL OVERSIGHT AND MANAGEMENT BOARD FOR PUERTO RICO, as representative of The PUERTO RICO ELECTRIC POWER AUTHORITY (the “Debtor”), Case No. 17 BK
November 9, 2023	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 ☐ TRANSITION REPORT PURSUANT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File No. 001-37917 Mammoth Energy Services
November 9, 2023	EX-95.1	Mine Safety Disclosure Exhibit EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
November 9, 2023	EX-99.1	Mammoth Energy Services, Inc. Announces Third Quarter 2023 Operational and Financial Results Exhibit 99.1 Mammoth Energy Services, Inc. Announces Third Quarter 2023 Operational and Financial Results OKLAHOMA CITY - November 9, 2023 - Mammoth Energy Services, Inc. (“Mammoth” or the “Company”) (NASDAQ: TUSK) today reported financial and operational results for the third quarter ended September 30, 2023. Financial Overview for the Third Quarter 2023: Total revenue was $65.0 million for the t
November 9, 2023	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 9, 2023 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction
October 19, 2023	8-K	Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 16, 2023 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction
October 19, 2023	EX-10.2	Loan and Security Agreement, dated as of October 16, 2023, by and among Mammoth Energy Services, Inc., as borrower, certain of its direct and indirect subsidiaries, as guarantors, the lenders from time to time party thereto and Wexford Capital LP, as agent for lenders. Exhibit 10.2 Execution Version LOAN AND SECURITY AGREEMENT dated as of October 16, 2023 by and among MAMMOTH ENERGY SERVICES, INC., as Borrower, THE OTHER LOAN PARTIES PARTY HERETO, THE LENDERS FROM TIME TO TIME PARTY HERETO, as Lenders, and WEXFORD CAPITAL LP, as the Agent TABLE OF CONTENTS Page Section 1. DEFINITIONS; PRINCIPLE OF CONSTRUCTION. 1 1.1 Definitions 1 1.2 Other Interpretive Provisio
October 19, 2023	EX-10.1	Revolving Credit Agreement, dated as of October 16, 2023, by and among Mammoth Energy Services, Inc., as borrower, certain of its direct and indirect subsidiaries, as guarantors, the lenders from time to time party thereto, and Fifth Third Bank, National Association, as agent, letters of credit issuer and swing line lender. Exhibit 10.1 Execution Version REVOLVING CREDIT AGREEMENT dated as of October 16, 2023 by and among MAMMOTH ENERGY SERVICES, INC., as Borrower, the other Loan Parties from time to time party hereto, the Lenders from time to time party hereto, and FIFTH THIRD BANK, NATIONAL ASSOCIATION, as Sole Lead Arranger, Sole Bookrunner, Agent, L/C Issuer and Swing Line Lender 53/Mammoth – Credit Agreement TAB
August 11, 2023	EX-99.1	Mammoth Energy Services, Inc. Announces Second Quarter 2023 Operational and Financial Results Exhibit 99.1 Mammoth Energy Services, Inc. Announces Second Quarter 2023 Operational and Financial Results OKLAHOMA CITY - August 11, 2023 - Mammoth Energy Services, Inc. (“Mammoth” or the “Company”) (NASDAQ: TUSK) today reported financial and operational results for the second quarter ended June 30, 2023. Financial Overview for the Second Quarter 2023 Total revenue was $75.4 million for the secon
August 11, 2023	8-K	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 11, 2023 Mammoth Energy Se UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 11, 2023 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction o
August 11, 2023	EX-95.1	Mine Safety Disclosure Exhibit EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
August 11, 2023	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 ☐ TRANSITION REPORT PURSUANT TO S UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File No. 001-37917 Mammoth Energy Services, Inc
June 8, 2023	8-K	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 7, 2023 Mammoth Energy Servi UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 7, 2023 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of i
May 1, 2023	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 ☐ TRANSITION REPORT PURSUANT TO UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File No. 001-37917 Mammoth Energy Services, In
May 1, 2023	EX-95.1	Mine Safety Disclosure Exhibit EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
April 27, 2023	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 27, 2023 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of
April 27, 2023	EX-99.1	Mammoth Energy Services, Inc. Announces First Quarter 2023 Operational and Financial Results Exhibit 99.1 Mammoth Energy Services, Inc. Announces First Quarter 2023 Operational and Financial Results OKLAHOMA CITY - April 27, 2023 - Mammoth Energy Services, Inc. (“Mammoth” or the “Company”) (NASDAQ: TUSK) today reported financial and operational results for the first quarter ended March 31, 2023. Financial Overview for the First Quarter 2023: Total revenue was $116.3 million for the first
April 25, 2023	DEFA14A	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 ý Filed by Registrant Check the appropriate box ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Definitive Proxy Statement ý Definitive Additional Materials ¨ Solicitin
April 25, 2023	DEF 14A	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 ý Filed by Registrant ¨ Filed by a Party other than the Registrant Check the appropriate box ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ý Definitive Proxy Statement
February 24, 2023	EX-21.1	List of Significant Subsidiaries of the Company. EXHIBIT 21.1 Mammoth Energy Services, Inc. List of Significant Subsidiaries Name of Subsidiary 5 Star Electric LLC Air Rescue Systems Corporation Anaconda Manufacturing LLC Anaconda Rentals LLC Aquahawk Energy LLC Aquawolf LLC Barracuda Logistics LLC Bison Drilling and Field Services LLC Bison Sand Logistics LLC Bison Trucking LLC Black Mamba Energy LLC Cobra Acquisitions LLC Cobra Aviation LLC Li
February 24, 2023	10-K	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTI UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File No. 001-37917 Mammoth Energy Services, Inc. (Exact name of registrant as specifi
February 24, 2023	EX-95.1	Mine Safety Disclosure Exhibit. EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
February 23, 2023	EX-99.1	Mammoth Energy Services, Inc. Announces Fourth Quarter and Full Year 2022 Operational and Financial Results Q4 Revenue Up 80% and Full Year Revenue Up 58% Exhibit 99.1 Mammoth Energy Services, Inc. Announces Fourth Quarter and Full Year 2022 Operational and Financial Results Q4 Revenue Up 80% and Full Year Revenue Up 58% OKLAHOMA CITY - February 23, 2023 - Mammoth Energy Services, Inc. (“Mammoth” or the “Company”) (NASDAQ: TUSK) today reported financial and operational results for the fourth quarter and full year ended December 31, 2022. Financial O
February 23, 2023	8-K	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 23, 2023 Mammoth Energy UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 23, 2023 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction
February 10, 2023	SC 13G	TUSK / Mammoth Energy Services Inc / VALUEWORKS LLC Passive Investment SC 13G 1 d992211313-g.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Mammoth Energy Services, Inc. (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 56155L108 (CUSIP Number) May 13, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to
February 9, 2023	SC 13G/A	TUSK / Mammoth Energy Services Inc / ADAGE CAPITAL PARTNERS GP, L.L.C. - MAMMOTH ENERGY SERVICES, INC. Passive Investment SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* Mammoth Energy Services, Inc. (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 56155L108 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule p
February 1, 2023	SC 13G/A	TUSK / Mammoth Energy Services Inc / WEXFORD CAPITAL LP - WEXFORD CAPITAL 13GA6 02-01-2023 Passive Investment UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 6) Mammoth Energy Services, Inc. (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 56155L108 (CUSIP Number) December 31, 2022 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule
October 28, 2022	EX-95.1	Mine Safety Disclosure Exhibit EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the ?Act?) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
October 28, 2022	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 ☐ TRANSITION REPORT PURSUANT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File No. 001-37917 Mammoth Energy Services
October 27, 2022	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 27, 2022 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction
October 27, 2022	EX-99.1	Mammoth Energy Services, Inc. Reports Strong Third Quarter 2022 Operational and Financial Results Revenue Growth of 86% Year-over-Year and 20% Sequentially Exhibit 99.1 Mammoth Energy Services, Inc. Reports Strong Third Quarter 2022 Operational and Financial Results Revenue Growth of 86% Year-over-Year and 20% Sequentially OKLAHOMA CITY - October 27, 2022 - Mammoth Energy Services, Inc. (?Mammoth? or the ?Company?) (NASDAQ: TUSK) today reported strong financial and operational results for the third quarter ended September 30, 2022. Financial Overview
August 2, 2022	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 ☐ TRANSITION REPORT PURSUANT TO S UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File No. 001-37917 Mammoth Energy Services, Inc
August 2, 2022	EX-95.1	Mine Safety Disclosure Exhibit EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the ?Act?) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
July 28, 2022	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 28, 2022 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of
July 28, 2022	EX-99.1	Mammoth Energy Services, Inc. Announces Strong Second Quarter 2022 Operational and Financial Results Significant Increases in Q2 Revenue, Net Income and Adjusted EBITDA Exhibit 99.1 Mammoth Energy Services, Inc. Announces Strong Second Quarter 2022 Operational and Financial Results Significant Increases in Q2 Revenue, Net Income and Adjusted EBITDA OKLAHOMA CITY - July 28, 2022 - Mammoth Energy Services, Inc. (?Mammoth? or the ?Company?) (NASDAQ: TUSK) today reported strong financial and operational results for the second quarter ended June 30, 2022. Financial Ov
June 30, 2022	8-K	Submission of Matters to a Vote of Security Holders UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 29, 2022 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of
May 24, 2022	8-K	Regulation FD Disclosure UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 24, 2022 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of i
May 10, 2022	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 ☐ TRANSITION REPORT PURSUANT TO UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File No. 001-37917 Mammoth Energy Services, In
May 10, 2022	EX-95.1	Mine Safety Disclosure Exhibit EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the ?Act?) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
May 9, 2022	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 9, 2022 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of in
May 9, 2022	EX-99.1	Mammoth Energy Services, Inc. Announces First Quarter 2022 Operational and Financial Results Exhibit 99.1 Mammoth Energy Services, Inc. Announces First Quarter 2022 Operational and Financial Results OKLAHOMA CITY - May 9, 2022 - Mammoth Energy Services, Inc. (?Mammoth? or the ?Company?) (NASDAQ: TUSK) today reported financial and operational results for the first quarter ended March 31, 2022. Financial Overview for the First Quarter 2022: Total revenue was $62.3 million for the first quar
May 2, 2022	DEFA14A	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ? Filed by Registrant Check the appropriate box ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive Proxy Statement ? Definitive Additional Mate
May 2, 2022	DEF 14A	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ? Filed by Registrant ? Filed by a Party other than the Registrant Check the appropriate box ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive
April 21, 2022	SC 13G	TUSK / Mammoth Energy Services Inc / ADAGE CAPITAL PARTNERS GP, L.L.C. - MAMMOTH ENERGY SERVICES, INC. Passive Investment SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Mammoth Energy Services, Inc. (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 56155L108 (CUSIP Number) April 11, 2022 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuan
March 4, 2022	10-K	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2021 ☐ TRANSITION REPORT PURSUANT TO SECTI UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2021 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File No. 001-37917 Mammoth Energy Services, Inc. (Exact name of registrant as specifi
March 4, 2022	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 4, 2022 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of
March 4, 2022	EX-99.1	Mammoth Energy Services, Inc. Announces Fourth Quarter and Full Year 2021 Operational and Financial Results Exhibit 99.1 Mammoth Energy Services, Inc. Announces Fourth Quarter and Full Year 2021 Operational and Financial Results OKLAHOMA CITY - March 4, 2022 - Mammoth Energy Services, Inc. (?Mammoth? or the ?Company?) (NASDAQ: TUSK) today reported financial and operational results for the fourth quarter and full year ended December 31, 2021. Financial Overview for the Fourth Quarter and Full Year 2021:
March 4, 2022	EX-10.29	, 2022, by and among the Company, certain of its subsidiaries, PNC Bank, National Association, as a lender and administrative agent for the lender, and other lenders party thereto. Exhibit 10.29 February 28, 2022 PNC BANK, NATIONAL ASSOCIATION, as Agent for and on behalf of the Lenders as referred to below 2100 Ross Avenue, Suite 1850 Dallas, Texas 75201 Attention: Relationship Manager -Mammoth Energy Re: Fourth Amendment to Amended and Restated Revolving Credit and Security Agreement Ladies and Gentlemen: PNC BANK, NATIONAL ASSOCIATION (?PNC?), as agent for the Lenders from
March 4, 2022	EX-96.1	Technical Report Summary for Piranha and Taylor Mines prepared by John T. Boyd Company (incorporated by reference to Exhibit 96.1 to the Company's Annual Report on Form 10-K (File No. 001-37917) filed with the SEC on March 4, 2022). TECHNICAL REPORT SUMMARY FRAC SAND RESOURCES AND RESERVES PIRANHA AND TAYLOR MINES Barron and Jackson Counties, Wisconsin Prepared For MAMMOTH ENERGY SERVICES By John T.
March 4, 2022	EX-21.1	List of Significant Subsidiaries of the Company. EXHIBIT 21.1 Mammoth Energy Services, Inc. List of Significant Subsidiaries Name of Subsidiary 5 Star Electric LLC Air Rescue Systems Corporation Anaconda Manufacturing LLC Aquahawk Energy LLC Aquawolf LLC Barracuda Logistics LLC Bison Drilling and Field Services LLC Bison Sand Logistics LLC Bison Trucking LLC Black Mamba Energy LLC Cobra Acquisitions LLC Cobra Aviation LLC Lion Power Services LLC
March 4, 2022	EX-95.1	Mine Safety Disclosure Exhibit. EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the ?Act?) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
February 9, 2022	SC 13G/A	TUSK / Mammoth Energy Services Inc / WEXFORD CAPITAL LP - WEXFORD CAPITAL 13GA5 02-09-2022 Passive Investment UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 5) Mammoth Energy Services, Inc. (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 56155L108 (CUSIP Number) December 31, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule
November 5, 2021	EX-95.1	Mine Safety Disclosure Exhibit EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the ?Act?) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
November 5, 2021	EX-10.1	Third Amendment to Amended and Restated Credit Agreement, dated as of November 3, 2021, by and among the Company, certain of its subsidiaries, PNC Bank, National Association, as a lender and administrative agent for the lender, and other lenders party thereto November 3, 2021 PNC BANK, NATIONAL ASSOCIATION, as Agent for and on behalf of the Lenders as referred to below 2100 Ross Avenue, Suite 1850 Dallas, Texas 75201 Attention: Relationship Manager -Mammoth Energy Re: Third Amendment to Amended and Restated Revolving Credit and Security Agreement Ladies and Gentlemen: PNC BANK, NATIONAL ASSOCIATION (?PNC?), as agent for the Lenders from time to time party to the Credit Agreement referred to below (PNC, in such capacity, together with its successors and assigns in such capacity, the ?Agent?) for the Lenders from time to time party to the Credit Agreement referred to below, the Lenders party thereto, MAMMOTH ENERGY SERVICES, INC.
November 5, 2021	EX-99.1	Mammoth Energy Services, Inc. Announces Third Quarter 2021 Operational and Financial Results Exhibit 99.1 Mammoth Energy Services, Inc. Announces Third Quarter 2021 Operational and Financial Results OKLAHOMA CITY - November 5, 2021 - Mammoth Energy Services, Inc. (?Mammoth? or the ?Company?) (NASDAQ: TUSK) today reported financial and operational results for the third quarter ended September 30, 2021. Financial Overview for the Third Quarter 2021: Total revenue was $57.5 million for the t
November 5, 2021	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 5, 2021 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction
November 5, 2021	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 ☐ TRANSITION REPORT PURSUANT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File No. 001-37917 Mammoth Energy Services
November 3, 2021	EX-99.1	Mammoth Energy Announces Notice of Proposed Settlement of Derivative Action Exhibit 99.1 Mammoth Energy Announces Notice of Proposed Settlement of Derivative Action Oklahoma City, November 3, 2021 ? ? Mammoth Energy Services, Inc. (NASDAQ: TUSK) (?Mammoth? or the ?Company?) today issued the Notice of Proposed Settlement of Derivative Action to its stockholders (?Notice?) relating to the pending derivative action disclosed by Mammoth in its reports filed with the Securitie
November 3, 2021	EX-99.2	IN THE UNITED STATES DISTRICT COURT FOR THE DISTRICT OF DELAWARE Exhibit 99.2 IN THE UNITED STATES DISTRICT COURT FOR THE DISTRICT OF DELAWARE In Re Mammoth Energy Services, Inc. Consolidated Stockholder Litigation C.A. No. 19-1682 (RGA) STIPULATION AND AGREEMENT OF SETTLEMENT This Stipulation and Agreement of Settlement dated October 5, 2021 (the ?Stipulation?), is made and entered into by and among the following parties, each by and through their respective c
November 3, 2021	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Other Events UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 28, 2021 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction
September 27, 2021	8-K	Triggering Events That Accelerate or Increase a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement, Other Events UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 21, 2021 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdictio
August 3, 2021	10-Q	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 ☐ TRANSITION REPORT PURSUANT TO S UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File No. 001-37917 Mammoth Energy Services, Inc
August 3, 2021	EX-95.1	Mine Safety Disclosure Exhibit EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the ?Act?) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
July 30, 2021	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 30, 2021 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of
July 30, 2021	EX-99.1	Mammoth Energy Services, Inc. Announces Second Quarter 2021 Operational and Financial Results Exhibit 99.1 Mammoth Energy Services, Inc. Announces Second Quarter 2021 Operational and Financial Results OKLAHOMA CITY - July 30, 2021 - Mammoth Energy Services, Inc. (?Mammoth? or the ?Company?) (NASDAQ: TUSK) today reported financial and operational results for the second quarter ended June 30, 2021. Financial Overview for the Second Quarter 2021: Total revenue was $47.4 million for the second
July 12, 2021	EX-99.1	GPOR DISTRIBUTION TRUST AGREEMENT Exhibit 1 Execution Version GPOR DISTRIBUTION TRUST AGREEMENT This GPOR Distribution Trust Agreement (this ?Agreement?) by and among Gulfport Energy Corporation, Gator Marine, Inc.
July 12, 2021	SC 13D	TUSK / Mammoth Energy Services Inc / GPOR Distribution Trust - SCHEDULE 13D Activist Investment UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. ) Mammoth Energy Services, Inc. (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 56155L108 (CUSIP Number) Conway MacKenzie Management Services, LLC, as Trustee Attn: John T. Young, Jr. 909 Fannin Street, Suite 4000 Houston, TX 77
July 8, 2021	CORRESP	Mammoth Energy Services, Inc. 14201 Caliber Drive, Suite 300 Oklahoma City, OK 73134 Mammoth Energy Services, Inc. 14201 Caliber Drive, Suite 300 Oklahoma City, OK 73134 July 8, 2021 VIA EDGAR Division of Corporation Finance Securities and Exchange Commission 100 F. Street, N.E. Washington, D.C. 20549 Attention: Office of Energy & Transportation Liz Packebusch, Staff Attorney Re: MAMMOTH ENERGY SERVICES, INC. Registration Statement on Form S-3 Filed June 21, 2021 File No. 333-2571
June 18, 2021	S-3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-3 REGISTRATION STATEMENT THE SECURITIES ACT OF 1933 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) Delaware 1389 32-0498321 (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) (I.R.S. Emp
June 9, 2021	8-K	Financial Statements and Exhibits, Other Events UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 8, 2021 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of i
June 9, 2021	EX-99.1	Mammoth Energy Releases Additional Information Regarding Work Performed in Puerto Rico Exhibit 99.1 Mammoth Energy Releases Additional Information Regarding Work Performed in Puerto Rico Oklahoma City, June 8, 2021 - Mammoth Energy Services, Inc. (?Mammoth? or the ?Company?) (NASDAQ:TUSK) today announced that it has posted to its website additional information addressing two documents recently released by the Federal Emergency Management Agency (?FEMA?) that relate to hurricane repa
June 4, 2021	8-K	Submission of Matters to a Vote of Security Holders UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 2, 2021 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of i
May 3, 2021	10-Q	Quarterly Report - 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File No. 001-37917 Mammoth Energy Services, In
May 3, 2021	EX-95.1	Mine Safety Disclosure Exhibit EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the ?Act?) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
April 29, 2021	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 29, 2021 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of
April 29, 2021	EX-99.1	Mammoth Energy Services, Inc. Announces First Quarter 2021 Operational and Financial Results Exhibit 99.1 Mammoth Energy Services, Inc. Announces First Quarter 2021 Operational and Financial Results OKLAHOMA CITY, OKLAHOMA, April 29, 2021 - Mammoth Energy Services, Inc. (?Mammoth? or the ?Company?) (NASDAQ: TUSK) today reported financial and operational results for the first quarter ended March 31, 2021. Financial Overview for the First Quarter 2021: Total revenue was $66.8 million for th
April 20, 2021	DEFA14A	- DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ? Filed by Registrant ? Filed by a Party other than the Registrant Check the appropriate box ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive
April 20, 2021	DEF 14A	- DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ? Filed by Registrant ? Filed by a Party other than the Registrant Check the appropriate box ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive
March 1, 2021	10-K	Annual Report - 10-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2020 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File No. 001-37917 Mammoth Energy Services, Inc. (Exact name of registrant as specifi
March 1, 2021	EX-21.1	List of Significant Subsidiaries of the Company. EXHIBIT 21.1 Mammoth Energy Services, Inc. List of Significant Subsidiaries Name of Subsidiary 5 Star Electric LLC Air Rescue Systems Corporation Anaconda Manufacturing LLC Aquahawk Energy LLC Aquawolf LLC Barracuda Logistics LLC Bison Drilling and Field Services LLC Bison Sand Logistics LLC Bison Trucking LLC Black Mamba Energy LLC Cobra Acquisitions LLC Cobra Aviation LLC Lion Power Services LLC
March 1, 2021	EX-95.1	Mine Safety Disclosure Exhibit. EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the ?Act?) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
February 25, 2021	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 25, 2021 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction
February 25, 2021	EX-99.1	Mammoth Energy Services, Inc. Announces Fourth Quarter and Full Year 2020 Operational and Financial Results Exhibit 99.1 Mammoth Energy Services, Inc. Announces Fourth Quarter and Full Year 2020 Operational and Financial Results OKLAHOMA CITY, OKLAHOMA, February 25, 2021 - Mammoth Energy Services, Inc. (“Mammoth” or the “Company”) (NASDAQ: TUSK) today reported financial and operational results for the fourth quarter and full year ended December 31, 2020. Financial Highlights for the Fourth Quarter and F
February 5, 2021	SC 13G/A	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 4) Mammoth Energy Services, Inc. (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securitie UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 4) Mammoth Energy Services, Inc. (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 56155L108 (CUSIP Number) December 31, 2020 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule
October 30, 2020	EX-95.1	Mine Safety Disclosure Exhibit EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
October 30, 2020	10-Q	Quarterly Report - 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File No. 001-37917 Mammoth Energy Services
October 29, 2020	EX-99.1	Mammoth Energy Services, Inc. Announces Third Quarter 2020 Operational and Financial Results Exhibit 99.1 Mammoth Energy Services, Inc. Announces Third Quarter 2020 Operational and Financial Results OKLAHOMA CITY, OKLAHOMA, October 29, 2020 - Mammoth Energy Services, Inc. (“Mammoth” or the “Company”) (NASDAQ: TUSK) today reported financial and operational results for the third quarter ended September 30, 2020. Financial Highlights for the Third Quarter 2020: Total revenue was $70.5 millio
October 29, 2020	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 29, 2020 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction
August 19, 2020	8-K	Other Events - 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 17, 2020 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction o
August 12, 2020	8-K	Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers - 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 6, 2020 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of
July 31, 2020	10-Q	Quarterly Report - 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File No. 001-37917 Mammoth Energy Services, Inc
July 31, 2020	EX-10.1	Equipment Lease Agreement, by and between Cobra Aviation Services LLC and Cobra Acquisitions LLC and Brim Equipment Leasing LLC dba Brim Aviation. EQUIPMENT LEASE AGREEMENT THIS EQUIPMENT LEASE AGREEMENT (the “Agreement”) is made and effective as of the 1st day of January 2020, by and between COBRA AVIATION SERVICES LLC and COBRA ACQUISITIONS LLC (the “Lessors”), and BRIM EQUIPMENT LEASING LLC dba BRIM AVIATION (the “Lessee” and, collectively, the “Parties”).
July 31, 2020	EX-95.1	Mine Safety Disclosure Exhibit EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
July 30, 2020	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 30, 2020 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of
July 30, 2020	EX-99.1	Mammoth Energy Services, Inc. Announces Second Quarter 2020 Operational and Financial Results Exhibit 99.1 Mammoth Energy Services, Inc. Announces Second Quarter 2020 Operational and Financial Results OKLAHOMA CITY, OKLAHOMA, July 30, 2020 - Mammoth Energy Services, Inc. (“Mammoth” or the “Company”) (NASDAQ: TUSK) today reported financial and operational results for the second quarter ended June 30, 2020. Financial Highlights for the Second Quarter 2020: Total revenue was $60.1 million for
July 2, 2020	8-K	Submission of Matters to a Vote of Security Holders UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 2, 2020 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of i
June 16, 2020	DEFA14A	- DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )  Filed by Registrant  Filed by a Party other than the Registrant Check the appropriate box  Preliminary Proxy Statement  Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))  Definitive
June 10, 2020	DEF 14A	- DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ý Filed by Registrant ¨ Filed by a Party other than the Registrant Check the appropriate box ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ý Definitive
June 9, 2020	8-K	Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 9, 2020 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of i
June 9, 2020	8-K	Financial Statements and Exhibits, Other Events UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 9, 2020 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of i
June 9, 2020	EX-99.2	Letter dated December 23, 2017 from Federal Emergency Management Agency to Government of Puerto Rico. a12-23x2017xcobraletter
June 9, 2020	EX-99.1	NOT CLEARED FOR OPEN PUBLICATION. Do NOT CIRCI ILATE OR a, IOIE Project Report Reasonableness Analysis of Cobra Acquisitions, LLC Emergency Contract Cost Validation Report Ismael Arciniegas Rueda, Mark Hanson, Marygail Brauner, Ike Chang, Max lzenber randreportcostvalidation NOT CLEARED FOR OPEN PUBLICATION. Do NOT CIRCI ILATE OR a, IOIE Project Report Reasonableness Analysis of Cobra Acquisitions, LLC Emergency Contract Cost Validation Report Ismael Arciniegas Rueda, Mark Hanson, Marygail Brauner, Ike Chang, Max lzenberg, Thao Liz Nguyen, Kelly Klima Homeland Security Operational Analysis Center An FFRDC operated by the RAND Corporation under
June 9, 2020	EX-3.1	First Amendment to Amended and Restated Bylaws of the Company Exhibit 3.1 FIRST AMENDMENT TO THE AMENDED AND RESTATED BYLAWS OF MAMMOTH ENERGY SERVICES, INC. (Adopted by the Board of Directors effective as of June 9, 2020) This First Amendment to the Amended and Restated Bylaws (the “Bylaws”) of Mammoth Energy Services, Inc., a Delaware corporation (the “Company”), hereby amends the Bylaws in the following respects: 1.Section 2.5(d) of Article II of the Byla
May 22, 2020	8-K	Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 18, 2020 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of i
May 14, 2020	EX-17.3	Letter dated May 13, 2020 from Jonathan H. Yellen to the Board of Directors of the Company. Exhibit 17.3 May 13, 2020 The Board of Directors Mammoth Energy Services, Inc. 14201 Caliber Drive, Suite 300 Oklahoma City, OK 73134 Gentlemen: As you are aware, I resigned from the Board of Directors of Mammoth on the morning of Friday May 8. Later that day, I received an email from Art Smith expressing some surprise at my resignation. I did not expect his reaction, given the extensive recent di
May 14, 2020	8-K	Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 8, 2020 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of in
May 14, 2020	EX-17.1	Resignation Letter from Jonathan H. Yellen, dated May 8, 2020. Exhibit 17.1 May 8, 2020 To the Board of Directors of Mammoth Energy Services, Inc. 14201 Caliber Drive, Suite 300 Oklahoma City, OK 73134 Effective immediately, I hereby resign as a member of the Board of Directors of Mammoth Energy Services, Inc. /s/ Jonathan H. Yellen Jonathan H. Yellen Cc: Mark Layton, Secretary (Mammoth) Matthew Thompson, Senior Counsel (Mammoth) Tom Knight (Grant Thornton) S
May 14, 2020	EX-17.2	Email Correspondence from Jonathan H. Yellen, dated May 8, 2020. Exhibit 17.2 Full Text of Email Correspondence From Jonathan H. Yellen Accompanying the Resignation Letter Mark referred to ASC450-20, in that a loss is recognized when both of the following conditions are met: (1) it is probable that an entity “will be unable to collect all amounts due according to the contractual terms of the receivable” and (2) uncollectible amounts “can be reasonably estimated
May 11, 2020	EX-10.3	N810LA Helicopter Lease Agreement, dated as of January 10, 2020 and effective as of January 1, 2020, by and between Cobra Aviation LLC and Brim Equipment Leasing LLC (incorporated by reference to Exhibit 10.3 to the Company’s Quarterly Report on Form 10-Q (File No. 001-37917), filed with the SEC on May 11, 2020). a103810lacobralease
May 11, 2020	EX-95.1	Mine Safety Disclosure Exhibit EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
May 11, 2020	EX-10.2	N745MB Helicopter Lease Agreement, dated as of January 10, 2020 and effective as of January 1, 2020, by and between Cobra Aviation LLC and Brim Equipment Leasing LLC (incorporated by reference to Exhibit 10.2 to the Company’s Quarterly Report on Form 10-Q (File No. 001-37917), filed with the SEC on May 11, 2020). a102745mbcobralease
May 11, 2020	EX-10.5	N904AF Helicopter Lease Agreement, dated as of January 10, 2020 and effective as of January 1, 2020, by and between Cobra Aviation LLC and Brim Equipment Leasing LLC (incorporated by reference to Exhibit 10.5 to the Company’s Quarterly Report on Form 10-Q (File No. 001-37917), filed with the SEC on May 11, 2020). a105904afleopardlease
May 11, 2020	EX-10.1	N745BW Helicopter Lease Agreement, dated as of January 10, 2020 and effective as of January 1, 2020, by and between Cobra Aviation Services LLC and Cobra Acquisitions LLC and Brim Equipment Leasing LLC (incorporated by reference to Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q (File No. 001-37917), filed with the SEC on May 11, 2020). a101745bwcobralease
May 11, 2020	10-Q	Quarterly Report - 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2020 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File No. 001-37917 Mammoth Energy Services, In
May 11, 2020	EX-99.1	Mammoth Energy Services, Inc. Announces First Quarter 2020 Operational and Financial Results Exhibit 99.1 Mammoth Energy Services, Inc. Announces First Quarter 2020 Operational and Financial Results OKLAHOMA CITY, OKLAHOMA, May 11, 2020 - Mammoth Energy Services, Inc. (“Mammoth” or the “Company”) (NASDAQ: TUSK) today reported financial and operational results for the first quarter ended March 31, 2020. Financial Highlights for the First Quarter 2020: Total revenue was $97.4 million for th
May 11, 2020	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 11, 2020 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of i
May 11, 2020	EX-10.4	N902TX Helicopter Lease Agreement, dated as of January 10, 2020 and effective as of January 1, 2020, by and between Cobra Aviation LLC and Brim Equipment Leasing LLC (incorporated by reference to Exhibit 10.4 to the Company’s Quarterly Report on Form 10-Q (File No. 001-37917), filed with the SEC on May 11, 2020). a104902txarslease
April 29, 2020	8-K	Other Events UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 29, 2020 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of
April 22, 2020	8-K	Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 17, 2020 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of
April 17, 2020	8-K	Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 14, 2020 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of
March 2, 2020	EX-95.1	Mine Safety Disclosure Exhibit. EXHIBIT 95.1 Mine Safety Disclosures The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
March 2, 2020	EX-10.40	Second Amendment to Amended and Restated Revolving Credit and Security Agreement, dated as of February 26, 2020 (incorporated by reference to Exhibit 10.40 to the Company's Annual Report on Form 10-K (File No. 001-37917), filed with the SEC on March 2, 2020). Exhibit 10.40 [EXECUTION] February 26, 2020 PNC BANK, NATIONAL ASSOCIATION, as Agent for and on behalf of the Lenders as referred to below 2100 Ross Avenue, Suite 1850 Dallas, Texas 75201 Attention: Relationship Manager -Mammoth Energy Re: Second Amendment to Amended and Restated Revolving Credit and Security Agreement Ladies and Gentlemen: PNC BANK, NATIONAL ASSOCIATION (“PNC”), as agent for the
March 2, 2020	10-K	Annual Report - 10-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2019 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File No. 001-37917 Mammoth Energy Services, Inc. (Exact name of registrant as specifi
March 2, 2020	EX-4.1	Description of Securities of the Company (incorporated by reference to Exhibit 4.1 to the Company Exhibit 4.1 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 The following is a summary of common stock of Mammoth Energy Services, Inc. (the “Company,” “we,” “us,” and “our”), which is the only class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended. The following summary is not complete.
March 2, 2020	EX-21.1	List of Significant Subsidiaries of the Company. EXHIBIT 21.1 Mammoth Energy Services, Inc. List of Significant Subsidiaries Name of Subsidiary 5 Star Electric LLC Air Rescue Systems Corporation Anaconda Manufacturing LLC Aquahawk Energy LLC Aquawolf LLC Barracuda Logistics LLC Bison Drilling and Field Services LLC Bison Trucking LLC Cobra Acquisitions LLC Cobra Aviation LLC Lion Power Services LLC Dire Wolf Energy Services LLC Great White Sand
February 27, 2020	EX-99.1	Mammoth Energy Services, Inc. Announces Fourth Quarter and Full Year 2019 Operational and Financial Results Exhibit 99.1 Mammoth Energy Services, Inc. Announces Fourth Quarter and Full Year 2019 Operational and Financial Results OKLAHOMA CITY, OKLAHOMA, February 27, 2020 - Mammoth Energy Services, Inc. ("Mammoth" or the "Company") (NASDAQ: TUSK) today reported financial and operational results for the fourth quarter and full year ended December 31, 2019. Financial Highlights for the Fourth Quarter and F
February 27, 2020	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 27, 2020 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction
February 14, 2020	SC 13G/A	TUSK / Mammoth Energy Services, Inc. / WEXFORD CAPITAL LP - WEXFORD CAPITAL 13GA3 02-14-2020 Passive Investment UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 3) Mammoth Energy Services, Inc. (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 56155L108 (CUSIP Number) December 31, 2019 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule
December 23, 2019	8-K	Termination of a Material Definitive Agreement UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 18, 2019 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction
November 20, 2019	8-K	Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 18, 2019 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction
November 12, 2019	EX-10.1	First Amendment to Amended and Restated Revolving Credit and Security Agreement (incorporated by reference to Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q (File No. 001-37917), filed with the SEC on November 12, 2019). FIRST AMENDMENT TO AMENDED AND RESTATED REVOLVING CREDIT AND SECURITY AGREEMENT THIS FIRST AMENDMENT TO AMENDED AND RESTATED REVOLVING CREDIT AND SECURITY AGREEMENT (this “Amendment”) is made and entered into effective as of November 5, 2019, by and among MAMMOTH ENERGY SERVICES, INC.
November 12, 2019	EX-95.1	Mine Safety Disclosure Exhibit EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
November 12, 2019	10-Q	TUSK / Mammoth Energy Services, Inc. 10-Q - Quarterly Report - 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2019 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File No. 001-37917 Mammoth Energy Services
November 7, 2019	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 7, 2019 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction
November 7, 2019	EX-99.1	Mammoth Energy Services, Inc. Announces Third Quarter 2019 Operational and Financial Results Mammoth Energy Services, Inc. Announces Third Quarter 2019 Operational and Financial Results OKLAHOMA CITY, OKLAHOMA, November 7, 2019 - Mammoth Energy Services, Inc. ("Mammoth" or the "Company") (NASDAQ: TUSK) today reported financial and operational results for the third quarter ended September 30, 2019. Financial Highlights for the Third Quarter of 2019: Total revenue was $113.4 million for the
August 5, 2019	10-Q	TUSK / Mammoth Energy Services, Inc. 10-Q - Quarterly Report - 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2019 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File No. 001-37917 Mammoth Energy Services, Inc
August 5, 2019	EX-95.1	Mine Safety Disclosure Exhibit EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
August 1, 2019	EX-99.1	Mammoth Energy Services, Inc. Announces Second Quarter 2019 Operational and Financial Results Mammoth Energy Services, Inc. Announces Second Quarter 2019 Operational and Financial Results • Second Quarter net loss of $11 million, or $0.24 per diluted share • Second Quarter Adjusted EBITDA of $9 million • Suspended dividend due to oilfield service market conditions • 2019 capital budget decreased 49% from $80 million to $41 million OKLAHOMA CITY, OKLAHOMA, August 1, 2019 - Mammoth Energy Se
August 1, 2019	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 1, 2019 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of
June 7, 2019	8-K	Submission of Matters to a Vote of Security Holders UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 5, 2019 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) Delaware 32-0498321 (State or other jurisdiction of incorporation or organization) (I
May 3, 2019	10-Q	TUSK / Mammoth Energy Services, Inc. 10-Q Quarterly Report 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2019 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File No. 001-37917 Mammoth Energy Services, In
May 3, 2019	EX-10.1	Master Service Agreement, dated January 1, 2019, by and between Gulfport Energy Corporation and Aquahawk Energy LLC (incorporated by reference to Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q (File No. 001-37917), filed with the SEC on May 3, 2019). MASTER SERVICE AGREEMENT NOTE: THIS AGREEMENT CONTAINS INDEMNITY AND RELEASE PROVISIONS This MASTER SERVICE AGREEMENT (“Agreement”) is made and entered into this 1st day of January, 2019 , by and between: Gulfport Energy Corporation (“Company”) 3001 Quail Springs Pkwy.
May 3, 2019	EX-10.5	Aircraft Lease and Management Agreement (N745MB), dated December 21, 2018 by and between Cobra Aviation Services LLC and Brim Equipment Leasing, Inc. (incorporated by reference to Exhibit 10.5 to the Company’s Quarterly Report on Form 10-Q (File No. 001-37917), filed with the SEC on May 3, 2019). AIRCRAFT LEASE AND MANAGEMENT AGREEMENT (N745MB) THIS AIRCRAFT LEASE AND MANAGEMENT AGREEMENT (this "Agreement") is made and entered into as of December 21, 2018 (the "Effective Date"), by and between Cobra Aviation Services LLC, a Delaware limited liability company ("Owner"), and Brim Equipment Leasing, Inc.
May 3, 2019	EX-10.4	Aircraft Lease and Management Agreement (N745BW), dated December 21, 2018 by and between Cobra Aviation Services LLC and Brim Equipment Leasing, Inc. (incorporated by reference to Exhibit 10.4 to the Company’s Quarterly Report on Form 10-Q (File No. 001-37917), filed with the SEC on May 3, 2019). AIRCRAFT LEASE AND MANAGEMENT AGREEMENT (N745BW) THIS AIRCRAFT LEASE AND MANAGEMENT AGREEMENT (this "Agreement") is made and entered into as of December 21, 2018 (the "Effective Date"), by and between Cobra Aviation Services LLC, a Delaware limited liability company ("Owner"), and Brim Equipment Leasing, Inc.
May 3, 2019	EX-10.3	General Sales Agency Agreement, dated December 21, 2018, by and between Cobra Services LLC and Brim Equipment Leasing, Inc. (incorporated by reference to Exhibit 10.3 to the Company’s Quarterly Report on Form 10-Q (File No. 001-37917), filed with the SEC on May 3, 2019). GENERAL SALES AGENCY AGREEMENT THIS GENERAL SALES AGENCY AGREEMENT (the/this “Agreement”), made and entered into this 21st day of December, 2018 (the “Effective Date”), by and between Cobra Aviation Services LLC, a Delaware limited liability company (“COBRA”); and Brim Equipment Leasing, Inc.
May 3, 2019	EX-10.2	Aviation Support Services Agreement, dated December 28, 2018, by and between Brim Equipment Leasing, Inc. and Cobra Aviation Services LLC (incorporated by reference to Exhibit 10.2 to the Company’s Quarterly Report on Form 10-Q (File No. 001-37917), filed with the SEC on May 3, 2019). AVIATION SUPPORT SERVICES AGREEMENT This Aviation Support Services Agreement (this “Agreement”) is entered into as of this 28th day of December, 2018 (the “Effective Date”), by and between Brim Equipment Leasing, Inc.
May 3, 2019	EX-95.1	Mine Safety Disclosure Exhibit EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
May 1, 2019	EX-99.1	Mammoth Energy Services, Inc. Announces First Quarter 2019 Operational and Financial Results Mammoth Energy Services, Inc. Announces First Quarter 2019 Operational and Financial Results • First Quarter net income of $28 million, or $0.63 per diluted share • First Quarter Adjusted EBITDA of $83 million • Trailing twelve months after tax return on invested capital (ROIC) of 29% • Declared $0.125 dividend for the first quarter of 2019 OKLAHOMA CITY, OKLAHOMA, May 1, 2019 - Mammoth Energy Ser
May 1, 2019	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 1, 2019 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of in
April 26, 2019	DEFA14A	TUSK / Mammoth Energy Services, Inc. DEFA14A DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ý Filed by Registrant Check the appropriate box ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Definitive Proxy Statement ý Definitive Additional Mate
April 26, 2019	DEF 14A	TUSK / Mammoth Energy Services, Inc. DEF 14A DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ý Filed by Registrant ¨ Filed by a Party other than the Registrant Check the appropriate box ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ý Definitive
March 18, 2019	10-K	TUSK / Mammoth Energy Services, Inc. 10-K (Annual Report) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2018 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File No. 001-37917 Mammoth Energy Services, Inc. (Exact name of registrant as specifi
March 18, 2019	EX-95.1	Mine Safety Disclosure Exhibit. EXHIBIT 95.1 Mine Safety Disclosures The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
March 18, 2019	EX-21.1	List of Significant Subsidiaries of the Company. EXHIBIT 21.1 Mammoth Energy Services, Inc. List of Significant Subsidiaries Name of Subsidiary 5 Star Electric LLC Air Rescue Systems Corporation Aquahawk Energy LLC Barracuda Logistics LLC Bison Drilling and Field Services LLC Bison Trucking LLC Cobra Acquisitions LLC Cobra Aviation LLC Cobra Caribbean LLC Cobra Logistics Holdings LLC Cobra Energy LLC Dire Wolf Energy Services LLC Great White San
March 14, 2019	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 14, 2019 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction of
March 14, 2019	EX-99.1	Mammoth Energy Services, Inc. Announces Fourth Quarter and Full Year 2018 Operational and Financial Results EXHIBIT 99.1 Mammoth Energy Services, Inc. Announces Fourth Quarter and Full Year 2018 Operational and Financial Results • Fourth Quarter net income of $68 million, or $1.51 per diluted share, and full year 2018 net income of $236 million, or $5.24 per diluted share • 2018 adjusted EBITDA of $547 million, a three-fold increase from 2017 • After tax return on invested capital (ROIC) of 35% in 2018
February 11, 2019	SC 13G/A	TUSK / Mammoth Energy Services, Inc. / WEXFORD CAPITAL LP - WEXFORD CAPITAL 13GA2 02-08-2018 Passive Investment UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 2) Mammoth Energy Services, Inc. (Name of Issuer) Common Stock, $0.01 par value (Title of Class of Securities) 56155L108 (CUSIP Number) December 31, 2018 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule
January 29, 2019	8-K	Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 25, 2019 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction
December 28, 2018	8-K	Entry into a Material Definitive Agreement UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 21, 2018 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction
November 2, 2018	10-Q	TUSK / Mammoth Energy Services, Inc. 10-Q (Quarterly Report) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2018 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File No. 001-37917 Mammoth Energy Services
November 2, 2018	EX-95.1	Mine Safety Disclosure Exhibit EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
October 31, 2018	EX-99.1	Mammoth Energy Services, Inc. Announces Third Quarter 2018 Operational and Financial Results EXHIBIT 99.1 FOR IMMEDIATE RELEASE October 31, 2018 Mammoth Energy Services, Inc. Announces Third Quarter 2018 Operational and Financial Results • Record net income of $69.5 million, or $1.54 per diluted share • Deployed infrastructure crews in support of Hurricanes Florence and Michael • Entered into an amended and restated 5-year credit facility increasing borrowing base to $185 million - Remain
October 31, 2018	8-K	Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 31, 2018 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction
October 25, 2018	8-K	Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Mammoth Energy Services, Inc. Date of Report (Date of earliest event reported): October 19, 2018 (Exact name of registrant as specified in its charter) Delaware 32-0498321 (State or other jurisdiction of incorporation or organization
October 25, 2018	EX-10.1	Amended and Restated revolving Credit and Security Agreement, dated as of October 19, 2018, by and among Mammoth Energy Services, Inc., certain direct and indirect subsidiaries, the lenders party thereto and PNC Bank, National Association, as a lender and administrative agent for the lenders (incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K (File No. 001-37917), filed with the SEC on October 25, 2018). Execution Version Deal CUSIP: 56154WAA3 Revolver CUSIP: 56154WAB1 AMENDED AND RESTATED REVOLVING CREDIT AND SECURITY AGREEMENT PNC BANK, NATIONAL ASSOCIATION (AS LENDER, ADMINISTRATIVE AGENT AND ISSUER) WITH MAMMOTH ENERGY SERVICES, INC.
September 4, 2018	8-K	Regulation FD Disclosure UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 4, 2018 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 001-37917 (Commission File No.) Delaware 32-0498321 (State or other jurisdiction
August 8, 2018	10-Q	TUSK / Mammoth Energy Services, Inc. 10-Q (Quarterly Report) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2018 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File No. 001-37917 Mammoth Energy Services, Inc
August 8, 2018	EX-10.3	Amendment No. 2, dated as of July 10, 2018, between Stingray Pressure Pumping, LLC and Gulfport Energy Corporation to that certain Amended & Restated Master Services Agreement for Pressure Pumping Services, effective as of October 1, 2014, as amended effective January 1, 2016 (incorporated by reference to Exhibit 10.3 to the Company's Quarterly Report on Form 10-Q (File No. 001-37917), filed with the SEC on August 8, 2018). Exhibit 10.3 CONFIDENTIAL TREATMENT REQUESTED AMENDMENT NO. 2 TO MASTER SERVICE AGREEMENT1 THIS AMENDMENT NO. 2 TO MASTER SERVICE AGREEMENT (this “Amendment”) is entered into effective as of July 1st, 2018 by and between Gulfport Energy Corporation (the “Company”) and Stingray Pressure Pumping LLC (the “Contractor”). WHEREAS, Company and Contractor are parties to that certain Master Service Agreem
August 8, 2018	EX-95.1	Mine Safety Disclosure Exhibit EXHIBIT 95.1 Mine Safety Disclosure The following disclosures are provided pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”) and Item 104 of Regulation S-K, which requires certain disclosures by companies required to file periodic reports under the Securities Exchange Act of 1934, as amended, that operate mines regulated under the Federal Mine Safety and Health
August 8, 2018	EX-10.4	Second Amendment to Sand Supply Agreement, dated as of August 6, 2018, between Muskie Proppant LLC and Gulfport Energy Corporation (incorporated by reference to Exhibit 10.4 to the Company's Quarterly Report on Form 10-Q (File No. 001-37917), filed with the SEC on August 8, 2018). SECOND AMENDMENT TO SAND SUPPLY AGREEMENT This Second Amendment to Sand Supply Agreement (this “Second Amendment”) is made this 6th day of August, 2018 (the “Execution Date”) by and between Muskie Proppant LLC, a Delaware limited liability company, (“Supplier”); and Gulfport Energy Corporation, a Delaware corporation, (Customer”).
August 6, 2018	EX-99.1	Mammoth Energy Services, Inc. Announces Second Quarter 2018 Operational and Financial Results EXHIBIT 99.1 FOR IMMEDIATE RELEASE August 6, 2018 Mammoth Energy Services, Inc. Announces Second Quarter 2018 Operational and Financial Results • Record revenues of $534 million, up 443% Y/Y • Fully repaid credit facility, resulting in zero long term debt outstanding • Initiated regular quarterly dividend • Signed a new one-year $900 million contract with the Puerto Rico Electric Power Authority (

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