CTOS Digital 2026年季度报告

☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended March31, 2026 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934For the transition period fromtoCommission File Number: 001-38186_______________________________ CUSTOM TRUCK ONE SOURCE, INC. (Exact name of registrant as specified in its charter) 84-2531628(I.R.S. EmployerIdentification No.) Delaware(State or other jurisdiction ofincorporation or organization) 7701 Independence AveKansas City, MO 64125(Address of principal executive offices, including zip code)(816) 241-4888(Registrant’s telephone number, including area code) Securities registered pursuant to Section 12(b) of the Act: Trading Symbol(s)CTOS Name of each exchange on which registeredNew York Stock Exchange Common Stock, $0.0001 par value per share 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 1934during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2)has been subject to such filingrequirements for the past 90 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 (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit suchfiles).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 growthcompany” in Rule 12b-2 of the Exchange Act. LargeacceleratedfilerAccelerated filer☒Non-accelerated filer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 newor revised financial 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☒ The number of shares of common stock outstanding as of April23, 2026 was 227,432,821. Custom Truck One Source, Inc. and SubsidiariesTABLE OF CONTENTS PART IFINANCIAL INFORMATION Item 1.Financial StatementsUnaudited Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) for the Three MonthsEnded March 31, 2026 and 2025Unaudited Condensed Consolidated Balance Sheets as of March31, 2026 and December31, 2025Unaudited Condensed Consolidated Statements of Cash Flows for the Three Months Ended March 31, 2026 and 2025Unaudited Condensed Consolidated Statements of Stockholders’ Equity for the Three Months Ended March 31, 2026 and2025Notes to Unaudited Condensed Consolidated Financial StatementsItem 2.Management's Discussion and Analysis of Financial Condition and Results of OperationsItem 3.Quantitative and Qualitative Disclosures About Market RiskItem 4.Controls and Procedures PART IIOTHER INFORMATION Item 1.Legal ProceedingsItem 1A.Risk FactorsItem 2.Unregistered Sales of Equity Securities and Use of ProceedsItem 3.Defaults Upon Senior SecuritiesItem 4.Mine Safety DisclosuresItem 5.Other InformationItem 6.ExhibitsSIGNATURES PART I - FINANCIAL INFORMATION Custom Truck One Source, Inc.Condensed Consolidated Statements of Cash Flows (unaudited) Custom Truck One Source, Inc.Condensed Consolidated Statements of Stockholders' Equity (unaudited) Custom Truck One Source, Inc.Notes to Unaudited Condensed Consolidated Financial Statements Note 1: Business and Organization Organization Custom Truck One Source, Inc., a Delaware corporation, and its wholly owned subsidiaries (“we,” “our,” “us,” or “the Company”) areengaged in the business of providing a range of products and services to customers through rentals and sales of specialty equipment, rentalsand sales of aftermarket parts and services related to the specialty equipment, and repair, maintenance and customization services related tothat equipment. We are a specialty equipment provider to the electric utility transmission and distribution, telecommunications, rail, forestry, wastemanagement and other infrastructure-related industries in North America. Our core business relates to our new equipment inventory andrental fleet of specialty equipment that is utilized by service providers in infrastructure development and improvement work. We offer ourspecialized equipment to a diverse customer base, including utilities and contractors, for the maintenance, repair, upgrade, and installationof critical infrastructure assets, including distribution and transmission electric lines, telecommunications net