Form 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended February 28, 2026 OR ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the transition period from ______to ______ Commission File Number: 1-11869_________________________________________________ FACTSET RESEARCH SYSTEMS INC. (Exact name of registrant as specified in its charter) (I.R.S. EmployerIdentification No.) Registrant’s telephone number, including area code:(203) 810-1000 Former name, former address and former fiscal year, if changed since last report: None Securities registered pursuant to Section 12(b) of the Act: Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the SecuritiesExchange Act of 1934 during 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 filing requirements for the past 90 days.YesNo☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submittedpursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that theregistrant was required to submit and post such files).YesNo☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reportingcompany, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reportingcompany," and "emerging growth company" in Rule 12b-2 of the Exchange Act. Large accelerated filerAcceleratedfiler☐Non-acceleratedfiler☐Smallerreportingcompany☐Emerging growthcompany☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule12b-2 of the Exchange Act). Yes☐No Indicate the number of shares outstanding of each of the issuer's classes of common stock, as of the latest practicable date:The number of shares outstanding of the registrant’s common stock, $.01 par value, as of March26, 2026 was 36,431,127. FactSet Research Systems Inc.Form 10-QFor the Quarter EndedFebruary28, 2026 Index For additional information about FactSet Research Systems Inc. and access to its Annual Reports to Stockholders and Securities andExchange Commission filings, free of charge, please visit FactSet’s website (https://investor.factset.com). Any information on orlinked from the website is not incorporated by reference into this Quarterly Report on Form 10-Q. Special Note Regarding Forward-Looking Statements This report contains forward-looking statements that express management's current views concerning expectations, estimates, trends,forecasts and projections about future events, trends, contingencies, and circumstances, industries in which FactSet operates and thebeliefs and assumptions of management. These statements may include projections of our future financial performance and anticipatedtrends in our business. In some cases, you can identify these statements by words such as "may," "might," "will," "should," "expects,""plans," "anticipates," "believes," "estimates," "intends," "projects," "indicates," "predicts," "potential," or "continue," and thenegatives of those terms and similar expressions. Statements concerning our financial position, business strategy and plans orobjectives for future operations are forward-looking statements. Forward-looking statements are not guarantees of future performance and involve a number of known and unknown risks,uncertainties and assumptions. Factors that could cause our actual results, level of activity, performance or achievements to differmaterially from those expressed or implied in forward-looking statements include, among others, the factors discussed under Part I,Item 1A.Risk Factorsin our Annual Report on Form 10-K for the fiscal year ended August31, 2025, and Part II, Item 1A.RiskFactorsin this Quarterly Report on Form 10-Q, that should be specifically considered. FactSet cautions readers not to place unduereliance on any forward-looking statements, which speak only as of the dates on which they are made. FactSet undertakes noobligations to update or revise any forward-looking statement to reflect results, revised expectations, events or circumstances arisingafter the date on which it is made, except as required by applicable law. We intend that all forward-looking statements we make will be subject to safe harbor protection of the federal securities laws as foundin Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. PART I – FINANCIAL INFORMATION ITEM 1. FINANCIAL STATEMENTS FactSet Research Systems Inc.Consolidated Statements of Income – Unaudited The accompanying notes are an integral part of these Consolidated Financial Statements. (1) Presented ne