Ownership Submission
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 *
BAKER KELLY A
   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)
CHRO
(Last)
(First)
(Middle)
1031 MENDOTA HEIGHTS ROAD		 3. Date of Earliest Transaction (Month/Day/Year)
10/10/2017
(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 10/10/2017   A(1)   105 A $ 32.8525 16,298 (2) D  

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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 (3) $ 47.51             07/01/2020 07/01/2027 Common Stock 11,148   11,148 D  
Employee Stock Option (4) $ 48.47             07/01/2019 07/01/2026 Common Stock 10,379   10,379 D  
Employee Stock Option (5) $ 49.52               (6) 02/01/2026 Common Stock 25,000   25,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
BAKER KELLY A
1031 MENDOTA HEIGHTS ROAD
ST. PAUL, MN 55120		       CHRO  

Signatures

 Les B. Korsh, by Power of Attorney   10/11/2017
**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 acquired by Reporting Person pursuant to the Patterson Companies, Inc. Employee Stock Purchase Plan.
(2) Includes 10,693 Restricted Stock Units ("RSUs") awarded on 2/1/2016 and 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 2/1/2016 award vests as follows: 4,645 shares vest 2/1/2018 and 4,644 shares vest 2/1/2019. The 7/1/2016 award vests as follows: 351 shares vest each year 7/1/2018 through 7/1/2021.
(3) Stock option granted pursuant to the Patterson Companies, Inc. 2015 Omnibus Incentive Plan on 7/1/2017.
(4) Stock option granted pursuant to the Patterson Companies, Inc. 2015 Omnibus Incentive Plan on 7/1/2016.
(5) Stock option granted pursuant to the Patterson Companies, Inc. 2015 Omnibus Incentive Plan on 2/1/2016.
(6) This stock option becomes exercisable as follows: 25% on 2/1/2019, 25% on 2/1/2020 and 50% on 2/1/2021.

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