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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(Print or Type Responses)

1. Name and Address of Reporting Person * Anderson Scott P   2. Issuer Name and Ticker or Trading Symbol PATTERSON COMPANIES, INC. [PDCO] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chairman, President & CEO (Last) (First) (Middle) 1031 MENDOTA HEIGHTS ROAD 3. Date of Earliest Transaction (Month/Day/Year) 05/01/2017 (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 05/01/2017   F(1)   3,115 D $ 44.41 110,843 (2) (3) (4) D   Common Stock               18,093 (5) 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 Options (6)

$ 48.47

07/01/2019

07/01/2026

Common Stock

68,681

68,681

D

Employee Stock Options (7)

$ 49.27

07/01/2018

07/01/2025

Common Stock

42,698

42,698

D

Employee Stock Options (7)

$ 56.66

(8)

07/01/2025

Common Stock

211,938

211,938

D

Employee Stock Options (9)

$ 39.64

07/01/2017

07/01/2024

Common Stock

20,200

20,200

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Anderson Scott P 1031 MENDOTA HEIGHTS ROAD ST PAUL, MN 55120	X		Chairman, President & CEO

Signatures

Les B. Korsh, by Power of Attorney		05/03/2017
**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 2012 and 2013.
(2)	Includes 6,462 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.
(3)	Includes 17,379 shares of restricted stock received through awards granted in the years 2011 through 2015 to Reporting Person, which vest, contingent upon continued employment, as follows: 2,020 shares vest 7/1/2017, 2,030 shares vest 7/1/2017, 3,200 shares vest 4/29/2018, 2,020 shares vest 7/1/2018, 2,029 shares vest on 7/1/2018, 2,020 shares on 7/1/2019, and 2,030 shares vest on 7/1/2019 and 7/1/2020.
(4)	Includes 11,605 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 RSUs vest cumulatively in 5 equal annual installments commencing on the one year anniversary of the date of grant and each anniversary thereafter.
(5)	Represents shares of common stock indirectly held by the Reporting Person's Employee Stock Ownership Plan (ESOP) account through April 30, 2017.
(6)	Stock option granted pursuant to the Patterson Companies, Inc. 2015 Omnibus Incentive Plan on 7/1/2016.
(7)	Stock option granted pursuant to the Patterson Companies, Inc. 2012 Equity Incentive Plan on 7/1/2015.
(8)	Options are exercisable as follows: 25% on 7/1/2018, 25% on 7/1/2019 and 50% on 7/1/2020.
(9)	Stock option granted pursuant to the Patterson Companies, Inc. 2012 Equity Incentive Plan on 7/1/2014.

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