PAYX: Leadership change

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On July 16, 2026, Kara Wilson notified the Board of Directors (the “Board”) of Paychex, Inc. (the “Company”) of her decision not to stand for re-election at the Company’s annual meeting of stockholders in 2026 (the “Annual Meeting”). The Board determined to reduce its size from 11 to 10 directors, effective immediately upon the expiration of Ms. Wilson’s term at the Annual Meeting. Ms. Wilson’s decision did not result from any disagreement with the Company on any matter relating to the Company’s operations, policies or practices. Item 9.01 Financial Statements and Exhibits. (d.) Exhibit Description Exhibit 104 The cover page from this Current Report on Form 8-K, formatted in Inline XBRL SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. PAYCHEX, INC. Date: July 21, 2026 By: /s/ Prabha Sipi Bhandari Prabha Sipi Bhandari Chief Legal Officer, Chief Ethics Officer, and Secretary