FORM 10-K ☒ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the fiscal year ended March 31, 2026OR☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ePlus inc. (Exact name of registrant as specified in its charter) Delaware54-1817218(State or other jurisdiction of incorporation or organization)(I.R.S. Employer Identification No.) 13595 Dulles Technology Drive, Herndon, VA 20171-3413(Address, including zip code, of principal executive offices) Registrant’s telephone number, including area code:(703) 984-8400 Securities registered pursuant to Section 12(g) of the Act:None Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.Yes☒No☐ Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 of Section 15(d) of the Act.Yes☐No☒ 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.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 (Section 229.405 of this chapter) 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 definition of “large accelerated filer”, “accelerated filer”, “smaller reporting company”, and “emerging growth company” in Rule12b-2 of the Exchange Act. Accelerated filer Smaller reporting company Emerging growth company Large accelerated filer☒Non-accelerated filer 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 any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received byany of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b).☒ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).Yes☐No☒ The aggregate market value of the common stock held by non-affiliates ofePlus, computed by reference to the closing price at which the stock was sold as ofSeptember 30, 2025, was $1,849,899,831. The outstanding number of shares of common stock ofePlus as of May 25, 2026, was 26,151,583. DOCUMENTS INCORPORATED BY REFERENCE The following documents are incorporated by reference into the indicated parts of this Annual Report on Form 10-K: Portions of the Company's definitive Proxy Statement relating to its 2026 annual meeting of stockholders (the “2026 Proxy Statement”) are incorporated byreference into Part III of this Annual Report on Form 10-K where indicated. The 2026 Proxy Statement will be filed with the Securities and ExchangeCommission within 120 days after the Company's fiscal year end to which this report relates. Table of Contents PageCautionary Language About Forward-Looking Statements1Part IItem 1.Business3Item 1A.Risk Factors9Item 1B.Unresolved Staff Comments20Item 1C.Cybersecurity21Item 2.Properties22Item 3.Legal Proceedings22Item 4.Mine Safety Disclosures22Part IIItem 5.Market for Registrant’s Common Equity, Related Stockholder Matters, and Issuer Purchases of Equity Securities23Item 6.[RESERVED]24Item 7.Management’s Discussion and Analysis of Financial Condition and Results of Operations25Item 7A.Quantitative and Qualitative Disclosures About Market Risk42Item 8.Financial Statements and Supplementary Data42Item 9.Changes in and Disagreements with Accountants on Accounting and Financial Disclosure42Item 9A.Controls and Procedures43Item 9B.Other Information44Item 9C.Disclosure Regarding Foreign Jurisdictions that Prevent Inspections44Part IIIItem 10.Directors, Executive Officers,