SEC Form 4

FORM 4		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 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* GUGINO ANN B (Last) (First) (Middle) 1031 MENDOTA HEIGHTS ROAD (Street) ST PAUL MN 55120 (City) (State) (Zip)	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
	3. Date of Earliest Transaction (Month/Day/Year) 04/26/2017
	4. If Amendment, Date of 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

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	04/26/2017		F(1)		270	D	$44.58	29,745(2)(3)(4)	D
Common Stock								9,050(5)	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 (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 Securities Underlying Derivative Security (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: 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	19,841		19,841	D
Employee Stock Options(7)	$49.27							07/01/2018	07/01/2025	Common Stock	12,809		12,809	D
Employee Stock Options(7)	$56.66							(8)	07/01/2025	Common Stock	100,000		100,000	D
Employee Stock Options(9)	$39.64							07/01/2017	07/01/2024	Common Stock	7,400		7,400	D

Explanation of Responses:

1. Represents shares of common stock withheld for payment of taxes incurred upon the lapse of restrictions on a restricted stock award granted in 2010.

2. 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.

3. Includes 6,696 shares of restricted stock received through awards in the years 2011 through 2015 to Reporting Person, which vest, contingent upon continued employment, as follows: 660 shares vest 4/29/2017 720 shares vest 4/30/2017, 740 shares vest 7/1/2017, 609 shares vest 7/1/2017, 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.

4. Includes 3,353 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 January 31, 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.

Remarks:

	Les B. Korsh, by Power of Attorney	04/28/2017
	** Signature of Reporting Person	Date
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).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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