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Cover and table of contents

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549


FORM 10-K


ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended May 31, 2026

OR

TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from __________to __________

Commission file number 0-11330


Paychex, Inc.

(Exact name of registrant as specified in its charter)

Delaware (State or other jurisdiction of incorporation or organization)16-1124166 (I.R.S. Employer Identification No.)
911 Panorama Trail South Rochester**,** NY (Address of principal executive offices)14625-2396 (Zip Code)

Registrant’s telephone number, including area code: (585) 385-6666

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

Title of each classTrading Symbol(s)Name of each exchange on which registered
Common Stock, $0.01 par valuePAYXNASDAQ Global Select Market

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 or 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 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  No 

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  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 an 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.

Large Accelerated Filer 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 new or revised 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 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. 

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. ¨

Indicate 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  No 

As of November 28, 2025, the last business day of the most recently completed second fiscal quarter, shares held by non-affiliates of the registrant had an aggregate market value of $35,959,981,648 based on the closing price reported for such date on the NASDAQ Global Select Market.

As of June 30, 2026, 355,682,860 shares of the registrant’s common stock, $0.01 par value, were outstanding.

Documents Incorporated by Reference

Portions of the registrant’s definitive proxy statement to be issued in connection with its Annual Meeting of Stockholders to be held on or about October 15, 2026, to the extent not set forth herein, are incorporated by reference into Part III, Items 10 through 14, inclusive.

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PAYC****HEX, INC.

INDEX TO FORM 10-K

For the fiscal year ended May 31, 2026

DescriptionPage
PART I
Cautionary Note Regarding Forward-Looking Statements1
Item 1Business2
Item 1ARisk Factors9
Item 1BUnresolved Staff Comments16
Item 1CCybersecurity16
Item 2Properties17
Item 3Legal Proceedings18
Item 4Mine Safety Disclosures18
PART II
Item 5Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities18
Item 6[Reserved]20
Item 7Management’s Discussion and Analysis of Financial Condition and Results of Operations21
Item 7AQuantitative and Qualitative Disclosures About Market Risk34
Item 8Financial Statements and Supplementary Data37
Item 9Changes in and Disagreements with Accountants on Accounting and Financial Disclosure79
Item 9AControls and Procedures79
Item 9BOther Information79
Item 9CDisclosure Regarding Foreign Jurisdictions that Prevent Inspections79
PART III
Item 10Directors, Executive Officers and Corporate Governance80
Item 11Executive Compensation81
Item 12Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters81
Item 13Certain Relationships and Related Transactions, and Director Independence82
Item 14Principal Accounting Fees and Services82
PART IV
Item 15Exhibits and Financial Statement Schedules83
Item 16Form 10-K Summary85
Signatures86

i

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PA****RT I

CAU****TIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS

Certain written and oral statements made by management of Paychex, Inc. and its wholly owned subsidiaries (“Paychex,” the “Company,” “we,” “our,” or “us”) may constitute “forward-looking statements” within the meaning of the safe harbor provisions of the United States (“U.S.”) Private Securities Litigation Reform Act of 1995. Forward-looking statements can be identified by such words and phrases as “aim,” “expect,” “estimate,” “intend,” “outlook,” “will,” “would,” “guidance,” “projections,” “strategy,” “mission,” “anticipate,” “believe,” “can,” “continue,” “could,” “design,” “future,” “may,” “might,” “opportunities,” “target,” “plan,” “possible,” “potential,” “purpose,” “should,” “view,” “see,” and other similar words or phrases. Forward-looking statements include, without limitation, all matters that are not historical facts. Examples of forward-looking statements include, among others, statements we make regarding operating performance, events, or developments that we expect or anticipate will occur in the future, including statements relating to our outlook, revenue growth, earnings, earnings-per-share growth, and similar projections.

Forward-looking statements are neither historical facts nor assurances of future performance. Instead, they are based only on our current beliefs, expectations, and assumptions regarding the future of our business, future plans and strategies, projections, anticipated events and trends, the economy, and other future conditions. Because forward-looking statements relate to the future, they are subject to known and unknown uncertainties, risks, changes in circumstances, and other factors that are difficult to predict, many of which are outside our control. Our actual performance and outcomes, including without limitation, our actual results and financial condition may differ materially from those indicated in or suggested by the forward-looking statements. Therefore, you should not rely on any of these forward-looking statements. Important factors that could cause our actual results and financial condition to differ materially from those indicated in the forward-looking statements include, among others, the following:

our ability to keep pace with changes in technology or provide timely enhancements to our solutions and support;

risks related to our use of artificial intelligence ("AI") and new technologies in our business;

software defects, undetected errors, and development delays for our solutions;

the possibility of cyberattacks, security vulnerabilities or Internet disruptions, including data security and privacy leaks and data loss and business interruptions;

the possibility of failure of our business continuity plan during a catastrophic event;

the failure of third-party service providers to perform their functions;

the possibility that we may be exposed to additional risks related to our co-employment relationship with our professional employer organization (“PEO”) business;

changes in health insurance and workers’ compensation insurance rates and underlying claim trends;

risks related to acquisitions and the integration and performance of the businesses we acquire;

our customers’ failure to reimburse us for payments made by us on their behalf;

the effect of changes in government regulations mandating the amount of tax withheld or the timing of remittances;

our failure to comply with covenants in our corporate bonds and debt agreements;

changes in our credit ratings;

changes in governmental regulations, laws, and policies;

our ability to comply with U.S., state, and foreign laws and regulations;

our compliance with data privacy and AI laws and regulations;

our failure to protect our intellectual property rights;

potential outcomes related to pending or future litigation matters;

the impact of macroeconomic factors on the U.S. and global economy, and in particular on our small- and medium-sized business customers;

volatility in the political, market, and economic environment, including inflation and interest rate changes;

our ability to attract and retain qualified people; and

the possible effects of negative publicity on our reputation and the value of our brand.

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Any of these factors, as well as such other factors as discussed in Part I, Item 1A, “Risk Factors” and throughout Part II, Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations” of this Annual Report on Form 10‑K (“Form 10-K”), and in our periodic filings with the Securities and Exchange Commission (the “SEC”), could cause our actual results to differ materially from our anticipated results. The information provided in this Form 10‑K is based upon the facts and circumstances known as of the date of this report, and any forward-looking statements made by us in this Form 10‑K speak only as of the date on which they are made. Except as required by law, we undertake no obligation to update these forward-looking statements after the date of filing this Form 10-K with the SEC to reflect events or circumstances after such date, or to reflect the occurrence of unanticipated events.

Our investor presentation regarding the financial results for the fiscal year ended May 31, 2026 is available and accessible on our Paychex Investor Relations portal at https://investor.paychex.com. Information available on our website is not a part of, and is not incorporated into, this Form 10-K. We intend to make future investor presentations available exclusively on our Paychex Investor Relations portal.

Next: Item 1. Business