Paychex (PAYX)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-07-15 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: PAYCHEX INC (PAYX) CIK: 0000723531 --- Reporting Owner --- Name: Argiropoulos Mason CIK: 0002016328 Role: Officer (VP, Chief HR Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-07-15 | Code: F (Payment of exercise/tax) Shares: -386 | Price: $110.00 Total Value: $42,460.00 Shares Owned After: 3,037 | Ownership: D (Direct) Footnotes: [F1] Disposition of shares to satisfy tax withholding obligations arising from lapse of restrictions applicable to restricted stock units. [Transaction #2] Security: Common Stock Date: 2026-07-15 | Code: A (Grant or award) Shares: +2,182 | Price: $0.00 Shares Owned After: 5,219 | Ownership: D (Direct) Footnotes: [F3] Award of restricted stock units, subject to vesting, pursuant to the Amended and Restated 2002 Stock Incentive Plan. --- Derivative Transactions --- [Transaction #1] Security: Stock Option Date: 2026-07-15 | Code: A (Grant or award) Shares: +14,777 | Price: $110.00 Exercisable: N/A | Expires: 2036-07-14 Shares Owned After: 14,777 | Ownership: D (Direct) --- Holdings --- [Holding #1] Security: Common Stock ESPP Ownership: D (Direct) Footnotes: [F2] ESPP balance as of 6/30/2026. [Holding #2] Security: Stock Option Ownership: D (Direct) [Holding #3] Security: Stock Option Ownership: D (Direct) [Holding #4] Security: Stock Option Ownership: D (Direct) --- Footnotes (Complete Index) --- F1: Disposition of shares to satisfy tax withholding obligations arising from lapse of restrictions applicable to restricted stock units. F2: ESPP balance as of 6/30/2026. F3: Award of restricted stock units, subject to vesting, pursuant to the Amended and Restated 2002 Stock Incentive Plan. --- Signature --- /s/ Prabha S. Bhandari, Attorney-in-fact (2026-07-17)