Sec Form 4 Filing - POHLMAN KEVIN M @ PATTERSON COMPANIES, INC. - 2017-12-31

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 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 POHLMAN KEVIN M 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) President - Animal Health (Last) (First) (Middle) 822 7TH STREET, SUITE 740 3. Date of Earliest Transaction (MM/DD/YY) 12/31/2017 (Street) GREELEY, CO80631 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 12/31/2017 A( 1 ) 2,233 A $ 27.1 11,589 ( 2 ) ( 3 ) D Common Stock 70 ( 4 ) I By ESOP

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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 ( 5 ) $ 39.23 08/07/2020 08/07/2027 Common Stock 5,539 5,539 D Employee Stock Options ( 6 ) $ 47.51 07/01/2020 07/01/2027 Common Stock 13,935 13,935 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other POHLMAN KEVIN M 822 7TH STREET, SUITE 740 GREELEY, CO80631 President - Animal Health Signatures Les B. Korsh, by Power of Attorney 01/03/2016 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Shares acquired by Reporting Person pursuant to the Patterson Companies, Inc. Capital Accumulation Plan. ( 2 )Includes 6,383 Restricted Stock Units ("RSUs") awarded on 9/21/2015, 7/1/2016, 7/1/2017 and 8/7/2017 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 in 5 equal annual installments commencing on the one year anniversary of the date of grant and each anniversary thereafter. ( 3 )Includes 2,234 shares acquired pursuant to Reporting Person's participation in the Patterson Companies, Inc. Capital Accumulation Plan in the year 2016 and remain subject to the terms of such plan. ( 4 )Represents shares of common stock indirectly held by the Reporting Person's Employee Stock Ownership Plan (ESOP) account through January 2, 2018. ( 5 )Stock option granted pursuant to the Patterson Companies, Inc. 2015 Omnibus Incentive Plan on 8/7/2017. ( 6 )Stock option granted pursuant to the Patterson Companies, Inc. 2015 Omnibus Incentive Plan on 7/1/2017.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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