Form10-Q☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March31, 2026TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROMTO Commission File No.001-37917 Mammoth Energy Services, Inc. (Exact name of registrant as specified in its charter) 32-0498321(I.R.S. EmployerIdentification No.) (State or other jurisdiction ofincorporation or organization) 73134(Zip Code) Securities registered pursuant to Section 12(b) of The Act:Trading Symbol(s)TUSK Name of each exchange on which registeredThe Nasdaq Stock Market LLCNASDAQ Global Select Market Indicate by check mark whether the registrant (1)has filed all reports required to be filed by Section13 or 15(d) of the Securities Exchange Act of 1934 duringthe preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2)has been subject to such filing requirements for the past90 days.Yes☒No☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 ofRegulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).Yes☒No☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or anemerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and "emerging growth company" in Rule12b-2 of the Exchange Act. If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period complying with any new or revisedfinancial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).Yes☐No☒ As of May6, 2026, there were 48,170,647 shares of common stock, $0.01 par value, outstanding. TABLE OF CONTENTS Cautionary Note Regarding Forward-Looking Statements PART I. FINANCIAL INFORMATION Item1.Condensed Consolidated Financial Statements (Unaudited)Condensed Consolidated Balance SheetsCondensed Consolidated Statements of Operations and Comprehensive Income (Loss)Condensed Consolidated Statements of Changes in EquityCondensed Consolidated Statements of Cash FlowsNotes to Unaudited Condensed Consolidated Financial StatementsItem2.Management’s Discussion and Analysis of Financial Condition and Results of OperationsItem3.Quantitative and Qualitative Disclosures About Market RiskItem4.Controls and Procedures PART II. OTHER INFORMATIONItem1.Legal Proceedings Item1A.Risk FactorsItem 2.Unregistered Sales of Equity Securities and Use of ProceedsItem 3.Defaults Upon Senior SecuritiesItem 4.Mine Safety DisclosuresItem 5.Other InformationItem6.Exhibits SIGNATURES CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS Various statements contained in this report that express a belief, expectation, or intention, or that are not statements ofhistorical fact, are forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, or theSecurities Act, and Section 21E of the Securities Exchange Act of 1934, or the Exchange Act. In particular, the factors discussed in thisreport and detailed underPart II, Item 1A. Risk Factorsin this report and our Annual Report on Form 10–K for the yearendedDecember31, 2025could affect our actual results and cause our actual results to differ materially from expectations, estimatesor assumptions expressed, forecasted or implied in such forward-looking statements. Forward-looking statements may include statements about: •the levels of capital expenditures by our customers and the impact on utilization and pricing for our services;•the volatility of oil and natural gas prices and actions by OPEC members and other oil exporting nations, or OPEC+, affectingcommodity price and production levels;•employee retention and increasingly competitive labor market;•general economic, business or industry conditions and concerns over a potential economic slowdown or recession;•conditions in the capital, financial and credit markets;•conditions of U.S. oil and natural gas industry and the effect of U.S. energy, monetary and trade policies;•U.S. and global economic conditions and political and economic developments, including the energy and environmentalpolicies;•inflationary pressure on the cost of services, equipment and other goods in our industries and other sectors;•our ability to comply with the applicable financial covenants and other terms and conditions under our revolving creditfacility;•our ability to execute our business and financial strategies;•our plans with respect to any stock repurchases under the board of directors’ authorized stock repur