(Mark One) ☒QUARTERLY REPORT PURSUANT TO SECTION 13OR15(d) OF THE SECURITIES EXCHANGE ACT OF1934 For the quarterly period ended June30, 2026 OR ☐TRANSITION REPORT PURSUANT TO SECTION 13OR15(d) OF THE SECURITIES EXCHANGE ACT OF1934 01-0526993 04101 (Zip Code) (207)773–8171(Registrant’s telephone number, including area code)N/A (Former name, former address and former fiscal year, if changed since last report) Securities registered pursuant to Section12(b) of the Act: Name of each exchange on which registered New York Stock Exchange Indicate by check mark whether the registrant (1)has filed all reports required to be filed by Section13 or 15(d) of the SecuritiesExchange Act of 1934 during the preceding 12months (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 past 90days.☒Yes☐No Indicate by check mark whether the registrant has submitted electronically, every Interactive Data File required to be submitted pursuantto Rule405 of RegulationS–T during the preceding 12 months (or for such shorter period that the registrant was required to submitsuch files).☒Yes☐No Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reportingcompany, or an emerging growth company. See 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 forcomplying with any new or 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 Rule12b–2 of the Exchange Act). ☐Yes☒No Number of shares of common stock outstanding as of July17, 2026 was 34,081,611. TABLE OF CONTENTS Item1.Financial StatementsCondensed Consolidated Statements of Operations for the Three and Six Months Ended June 30, 2026 and 2025(unaudited)7Condensed Consolidated Statements of Comprehensive Income for the Three and Six Months Ended June 30,2026 and2025 (unaudited)8Condensed Consolidated Balance Sheets as of June 30, 2026 (unaudited) and December 31, 20259Condensed Consolidated Statements of Stockholders’ Equity for the Three Months Ended March 31 and June 30, 2026 and2025 (unaudited)10Condensed Consolidated Statements of Cash Flows for the Six Months Ended June 30, 2026 and 2025 (unaudited)12Notes to Condensed Consolidated Financial Statements (unaudited)13Item2.Management’s Discussion and Analysis of Financial Condition and Results of Operations35Item3.Quantitative and Qualitative Disclosures About Market Risk50Item4.Controls and Procedures50 PARTII—OTHER INFORMATION Unless otherwise indicated or required by the context, the terms “we,” “us,” “our,” “WEX,” or the “Company,” in this Quarterly Report onForm 10–Q refers to WEX Inc. and all of its subsidiaries that are consolidated under Generally Accepted Accounting Principles in theUnited States. FORWARD–LOOKING STATEMENTS The Private Securities Litigation Reform Act of 1995 provides a “safe harbor” for statements that are forward-looking and are notstatements of historical facts. This Quarterly Report on Form 10-Q includes forward-looking statements including, but not limited to,statements about management’s plans and goals. Any statements in this Quarterly Report that are not statements of historical facts areforward-looking statements. When used in this Quarterly Report, the words “anticipate,” “believe,” “commit,” “continue,” “could,”“estimate,” “expect,” “intend,” “may,” “plan,” “project,” “will,” “positions,” “confidence,” and similar expressions are intended to identifyforward-looking statements, although not all forward-looking statements contain such words. Forward-looking statements relate to ourfuture plans, objectives, expectations and intentions and are not historical facts and accordingly involve known and unknown risks anduncertainties and other factors that may cause the actual results or performance to be materially different from future results orperformance expressed or implied by these forward-looking statements. The following factors, among others, could cause actual resultsto differ materially from those contained in forward-looking statements made in this Quarterly Report and in oral statements made byour authorizedofficers: •the impact of fluctuations in the amount of fuel purchased and sold by our customers and retail partners, respectively, fuel pricevolatility, and the actual price of fuel, including fuel spreads in the Company’s international markets, and the resulting impact on theCompany’s results, including margins, revenues, and net income; •the effects of general economic conditions and the amount of business activity in the economies in which we operate, i