FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * MUCCI MARTIN   2. Issuer Name and Ticker or Trading Symbol PAYCHEX INC [PAYX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) CEO & President (Last) (First) (Middle) 911 PANORAMA TRAIL S. 3. Date of Earliest Transaction (Month/Day/Year) 12/11/2017 (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 12/11/2017   G   1,500 (1) D $ 69.01 276,754 D   Common Stock 07/06/2018   M   50,000 A $ 31.34 326,754 D   Common Stock 07/06/2018   S   50,000 D $ 69.6 276,754 D   Common Stock 07/06/2018   S   24,742 (2) D $ 69.79 252,012 D   Common Stock               4,283 (3) I 401(k)

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

$ 31.34

07/06/2018

M

50,000

07/06/2012

07/05/2021

Common Stock

50,000

$ 0

156,422

D

Stock Option

$ 31.63

07/07/2014

07/06/2021

Common Stock

315,000

315,000

D

Stock Option

$ 31.65

07/11/2013

07/10/2022

Common Stock

274,869

274,869

D

Stock Option

$ 38.48

07/10/2014

07/09/2023

Common Stock

237,844

237,844

D

Stock Option

$ 41.7

07/09/2015

07/08/2024

Common Stock

195,313

195,313

D

Stock Option

$ 47.32

07/08/2016

07/07/2025

Common Stock

206,801

206,801

D

Stock Option

$ 60.84

07/06/2017

07/05/2026

Common Stock

208,590

208,590

D

Stock Option

$ 60.84

07/06/2017

07/05/2026

Common Stock

294,812

294,812

D

Stock Option

$ 57.24

07/12/2018

07/11/2027

Common Stock

214,482

214,482

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
MUCCI MARTIN 911 PANORAMA TRAIL S. ROCHESTER, NY 14625	X		CEO & President

Signatures

Stephanie L. Schaeffer, Attorney-in-fact		07/10/2018
**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)	Shares were gifted to the Mr. & Mrs. Martin Mucci Fund
(2)	Disposition of shares to satisfy tax withholding obligations arising from lapse of restrictions applicable to restricted stock.
(3)	401(k) balance as of June 1, 2018.

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