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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 10-K

For the fiscal year ended August 31, 2023

For the transition period from to

Commission File Number: 1-11869

FACTSET RESEARCH SYSTEMS INC.

(Exact name of registrant as specified in its charter)

45 Glover Avenue, Norwalk, Connecticut 06850

(Address of principal executive offices, including zip code)

Registrant’s telephone number, including area code: (203) 810-1000

Securities registered pursuant to Section 12(b) of the Act:

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 x No o

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 o No x

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 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. Yes x No o

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes x No o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company" and "emerging growth company" in Rule 12b-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 for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.o

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 over financial 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 audit report. x

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 filing reflect the correction of an error to previously issued financial statements. ☐

Indicated by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any 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 Act). Yes o No x

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The aggregate market value of the registrant’s common stock held by non-affiliates of the registrant based upon the closing price of a share of the registrant’s common stock on February 28, 2023, the last business day of the registrant’s most recently completed second fiscal quarter, as reported by the New York Stock Exchange on that date, was $15,868,442,481.

As of October 20, 2023, there were 37,988,456 shares of the registrant's common stock outstanding.

DOCUMENTS INCORPORATED BY REFERENCE

Certain information required by Part III of this Annual Report on Form 10-K is incorporated by reference to our definitive Proxy Statement for our 2023 Annual Meeting of Stockholders, which will be filed with the Securities and Exchange Commission not later than 120 days after August 31, 2023.

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FACTSET RESEARCH SYSTEMS INC.

FORM 10-K

For The Fiscal Year Ended August 31, 2023

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Special Note Regarding Forward-Looking Statements

FactSet Research Systems Inc. has made statements under the captions Item 1. Business, Item 1A. Risk Factors, Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations and in other sections of this Annual Report on Form 10-K that are forward-looking statements. 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 similar expressions.

These forward-looking statements, which are subject to risks, uncertainties and assumptions about us, may include projections of our future financial performance and anticipated trends in our business. These statements are only predictions based on our current expectations, estimates, forecasts and projections about future events. These statements are not guarantees of future performance and involve a number of risks, uncertainties and assumptions. There are many important factors that could cause our actual results, level of activity, performance or achievements to differ materially from the results, level of activity, performance or achievements expressed or implied by the forward-looking statements, including the numerous factors discussed under Item 1A. Risk Factors in this Annual Report on Form 10-K, that should be specifically considered.

Although we believe the expectations reflected in the forward-looking statements are reasonable, we cannot guarantee future results, level of activity, performance or achievements. Moreover, neither we nor any other person assumes responsibility for the accuracy and completeness of any of these forward-looking statements. Forward-looking statements speak only as of the date they are made, and actual results could differ materially from those anticipated in forward-looking statements. We do not intend, and are under no duty, to update any of these forward-looking statements after the date of this Annual Report on Form 10-K to reflect actual results, future events or circumstances, or revised expectations.

We intend that all forward-looking statements we make will be subject to safe harbor protection of the federal securities laws as found in Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934.

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Part I