Paychex (PAYX)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-07-14 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: PAYCHEX INC (PAYX) CIK: 0000723531 --- Reporting Owner --- Name: MUCCI MARTIN CIK: 0001227211 Role: Director, Other (Chairman) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-07-14 | Code: M (Exercise of derivative) Shares: +214,482 | Price: $57.24 Total Value: $12,276,949.68 Shares Owned After: 632,529.3318 | Ownership: D (Direct) [Transaction #2] Security: Common Stock Date: 2026-07-14 | Code: F (Payment of exercise/tax) Shares: -163,329 | Price: $109.92 Total Value: $17,953,123.68 Shares Owned After: 469,200.3318 | Ownership: D (Direct) [Transaction #3] Security: Common Stock Date: 2026-07-14 | Code: S (Open market sale) Shares: -25,000 | Price: $109.93 Total Value: $2,748,250.00 Shares Owned After: 444,200.3318 | Ownership: D (Direct) Footnotes: [F1] The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $109.55 to $110.225, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. --- Derivative Transactions --- [Transaction #1] Security: Stock Option Date: 2026-07-14 | Code: M (Exercise of derivative) Shares: -214,482 | Price: $0.00 Exercisable: N/A | Expires: 2027-07-11 Shares Owned After: 0 | Ownership: D (Direct) --- Holdings --- [Holding #1] Security: Stock Option Ownership: D (Direct) [Holding #2] Security: Stock Option Ownership: D (Direct) [Holding #3] Security: Stock Option Ownership: D (Direct) [Holding #4] Security: Stock Option Ownership: D (Direct) [Holding #5] Security: Stock Option Ownership: D (Direct) [Holding #6] Security: Stock Option Ownership: D (Direct) [Holding #7] Security: Stock Option Ownership: D (Direct) [Holding #8] Security: Stock Option Ownership: D (Direct) [Holding #9] Security: Stock Option Ownership: D (Direct) --- Footnotes (Complete Index) --- F1: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $109.55 to $110.225, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. --- Signature --- /s/ Prabha S. Bhandari, Attorney-in-fact (2026-07-15)