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 * GUGINO ANN B   2. Issuer Name and Ticker or Trading Symbol PATTERSON COMPANIES, INC. [PDCO] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Executive Vice President & CFO (Last) (First) (Middle) 1031 MENDOTA HEIGHTS ROAD 3. Date of Earliest Transaction (Month/Day/Year) 07/03/2017 (Street) ST PAUL, MN 55120 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 07/03/2017   F(1)(2)   942 D $ 47.51 27,423 (3) (4) (5) D   Common Stock 07/03/2017   A(6)   3,972 A $ 47.51 31,395 (3) (4) (5) D   Common Stock               9,103 I By ESOP

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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

Employee Stock Option

$ 47.51

07/03/2017

A(7)

21,042

07/01/2020

07/01/2027

Common Stock

21,042

$ 47.51

21,042

D

Employee Stock Option (8)

$ 48.47

07/01/2019

07/01/2026

Common Stock

19,841

19,841

D

Employee Stock Option (9)

$ 49.27

07/01/2018

07/01/2025

Common Stock

12,809

12,809

D

Employee Stock Option (9)

$ 56.66

(10)

07/01/2025

Common Stock

100,000

100,000

D

Employee Stock Option (11)

$ 39.64

07/01/2017

07/01/2024

Common Stock

7,400

7,400

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
GUGINO ANN B 1031 MENDOTA HEIGHTS ROAD ST PAUL, MN 55120			Executive Vice President & CFO

Signatures

Les B. Korsh, by Power of Attorney		07/06/2017
**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)	Represents shares of common stock withheld for payment of taxes incurred upon the lapse of restrictions on restricted stock awards granted in 2014 and 2015 pursuant to the Patterson Companies, Inc. Equity Incentive Plan.
(2)	Represents shares of common stock withheld for payment of taxes incurred upon the lapse of restrictions on restricted stock units issued pursuant to the Patterson Companies, Inc. 2015 Omnibus Incentive Plan.
(3)	Includes 2,436 shares acquired pursuant to Reporting Person's participation in the Patterson Companies, Inc. Capital Accumulative Plan in the years 2015 and 2016 and remain subject to the terms of such Plan.
(4)	Includes 3,967 shares of restricted stock received through awards in the years 2013 through 2015 to Reporting Person, which vest, contingent upon continued employment, as follows: 660 shares vest 4/29/2018, 740 shares vest 7/1/2018, 609 shares vest on 7/1/2018, 740 shares on 7/1/2019, and 609 shares vest on 7/1/2019 and 7/1/2020.
(5)	Includes 2,683 Restricted Stock Units ("RSUs") awarded on 7/1/2016 to Reporting Person pursuant to the Patterson Companies, Inc. 2015 Omnibus Incentive Plan. Each RSU represents a right, contingent upon continued employment, to receive one share of common stock. The awards vests as follows: 671 shares vest on 7/1/2018, 670 shares vest on 7/1/2019 and 671 shares vest on 7/1/2020 and 7/1/2021.
(6)	Represents RSU's awarded on 7/1/2017 to Reporting Person pursuant to the Patterson Companies, Inc. 2015 Omnibus Incentive Plan. The award vests in 5 equal annual installments commencing on the one year anniversary of the date of grant and each anniversary thereafter.
(7)	Stock option granted pursuant to the Patterson Companies, Inc. 2015 Omnibus Incentive Plan on 7/1/2017.
(8)	Stock option granted pursuant to the Patterson Companies, Inc. 2015 Omnibus Incentive Plan on 7/1/2016.
(9)	Stock option granted pursuant to the Patterson Companies, Inc. 2012 Equity Incentive Plan on 7/1/2015.
(10)	Options are exercisable as follows: 25% on 7/1/2018, 25% on 7/1/2019 and 50% on 7/1/2020.
(11)	Stock option granted pursuant to the Patterson Companies, Inc. 2012 Equity Incentive Plan on 7/1/2014.

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