Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Gibson John B 2. Issuer Name and Ticker or Trading Symbol PAYCHEX INC [PAYX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) President and CEO (Last) (First) (Middle) 911 PANORAMA TRAIL SOUTH 3. Date of Earliest Transaction (Month/Day/Year) 07/15/2026 (Street) ROCHESTER, NY 14625 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 07/15/2026 F 14,083(1) D $110 67,048 D Common Stock 07/15/2026 A 14,318(2) A $ 0 81,366 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Option

$110

07/15/2026

A

96,971

07/15/2027

07/14/2036

Common Stock

96,971

$110

96,971

D

Stock Option

$69.54

07/11/2019

07/10/2028

Common Stock

31,653

31,653

D

Stock Option

$85.46

07/10/2020

07/09/2029

Common Stock

34,165

34,165

D

Stock Option

$73.53

07/15/2021

07/14/2030

Common Stock

39,823

39,823

D

Stock Option

$112.67

07/15/2022

07/14/2031

Common Stock

26,547

26,547

D

Stock Option

$125

01/15/2023

01/14/2032

Common Stock

2,972

2,972

D

Stock Option

$115

07/15/2023

07/14/2032

Common Stock

21,954

21,954

D

Stock Option

$109.19

10/15/2023

10/14/2032

Common Stock

20,485

20,485

D

Stock Option

$120.86

07/15/2024

07/14/2033

Common Stock

63,583

63,583

D

Stock Option

$121.63

07/15/2025

07/14/2034

Common Stock

64,126

64,126

D

Stock Option

$140.68

07/15/2026

07/14/2035

Common Stock

62,758

62,758

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Gibson John B 911 PANORAMA TRAIL SOUTH ROCHESTER, NY 14625			President and CEO

Signatures

Prabha S. Bhandari, Attorney-in-fact		07/17/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Disposition of shares to satisfy tax withholding obligations arising from lapse of restrictions applicable to restricted stock units.
(2)	Award of restricted stock units, subject to vesting, pursuant to the Amended and Restated 2002 Stock Incentive Plan.

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