ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the transition period fromtoCommission File Number: 001-38035 ProPetro Holding Corp. (Exact name of registrant as specified in its charter)______________________________ (I.R.S. EmployerIdentification No.) One Marienfeld Place, 110 N. Marienfeld Street, Suite 300, Midland, Texas 79701(Address of principal executive offices) (Zip Code) Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.YesýNo¨ Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.Yes¨Noý Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 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 forthe past 90 days.YesýNo¨ 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 (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit suchfiles).YesýNo¨ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerginggrowth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and "emerging growth company" in Rule12b-2 of the Exchange Act. Large accelerated filer☐Accelerated filerýNon-accelerated filer☐(Do not check if a smaller reporting company)Smaller reporting company☐Emerging growth company☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new orrevised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control overfinancial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its auditreport.☒ If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filingreflect the correction of an error to previously issued financial statements.☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).Yes☐Noý The aggregate market value of the Company’s Common Stock held by nonaffiliates on June 30, 2025, determined using the per share closing price on the NewYork Stock Exchange Composite tape of $5.97 on that date, was approximately $513.6 million. The number of the registrant’s common shares, par value $0.001 per share, outstanding at February 13, 2026, was 122,024,047.Documents incorporated by reference: Portions of the registrant’s definitive proxy statement relating to the registrant’s 2026 Annual Meeting of Stockholders areincorporated by reference into Part III of this annual report. TABLE OF CONTENTS FORWARD-LOOKING STATEMENTS.......................................................................................................iSUMMARY OF RISK FACTORS..................................................................................................................iii PART I BUSINESS.......................................................................................................................................................1RISK FACTORS..............................................................................................................................................14UNRESOLVED STAFF COMMENTS...........................................................................................................33CYBERSECURITY.........................................................................................................................................33PROPERTIES..................................................................................................................................................34LEGAL PROCEEDINGS................................................................................................................................34MINE SAFETY DISCLOSURES....................................................................................................................34 PART II MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDERMATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES....................................