Sec Form 4 Filing - POHLMAN KEVIN M @ PATTERSON COMPANIES, INC. - 2022-08-07

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) 08/07/2022 (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 08/07/2022 F( 1 ) 56 D $ 30.43 99,345( 2 ) D Common Stock 1,729( 3 ) 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( 4 ) $ 30.59 ( 5 ) 07/01/2032 Common Stock 18,300 18,300 D Employee Stock Options( 6 ) $ 30.77 ( 7 ) 07/01/2031 Common Stock 18,916 18,916 D Employee Stock Options( 8 ) $ 23.57 ( 9 ) 07/14/2030 Common Stock 24,780 24,780 D Employee Stock Options( 10 ) $ 22.25 ( 11 ) 07/01/2029 Common Stock 33,784 33,784 D Employee Stock Options( 12 ) $ 22.48 07/01/2021 07/01/2028 Common Stock 13,345 13,345 D Employee Stock Options( 13 ) $ 39.23 08/07/2020 08/07/2027 Common Stock 5,539 5,539 D Employee Stock Options( 14 ) $ 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 08/08/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents shares of common stock withheld to satisfy a portion of tax liability upon the lapse of restrictions on restricted stock units ("RSUs") issued pursuant to the Patterson Companies, Inc. Amended and Restated 2015 Omnibus Incentive Plan ("Plan"). ( 2 )Includes an aggregate of 14,408 RSUs awarded on 7/1/2018, 7/1/2019, 7/14/2020, 7/1/2021 and 7/1/2022 to Reporting Person pursuant to the Plan. The RSUs vest contingent upon employment as follows: 4,375 units vest 7/1/2023, 4,773 units vest 7/14/2023, 3,486 units vest 7/1/2024 and 1,774 units vest on 7/1/2025 ( 3 )Represents shares of common stock indirectly held by the Reporting Person's Employee Stock Ownership Plan (ESOP) account through July 11 2022. ( 4 )Stock options granted pursuant to the Plan on 7/1/2022. ( 5 )Options are exercisable as follows: 33.3% on 7/1/2023, 33.3% on 7/1/2024 and 33.4% on 7/1/2025. ( 6 )Stock options granted pursuant to the Plan on 7/1/2021. ( 7 )Options are exercisable as follows: 33.3% on 7/1/2022, 33.3% on 7/1/2023 and 33.4% on 7/1/2024. ( 8 )Stock options granted pursuant to the Plan on 7/14/2020. ( 9 )Options are exercisable as follows: 33.3% on 7/14/2021, 33.3% on 7/14/2022 and 33.4% on 7/14/2023. ( 10 )Stock options granted pursuant to the Plan on 7/1/2019. ( 11 )Options are exercisable as follows: 33.3% on 7/1/2020, 33.3% on 7/1/2021 and 33.4% on 7/1/2022. ( 12 )Stock options granted pursuant to the Plan on 7/1/2018. ( 13 )Stock option granted pursuant to the Plan on 8/7/2017. ( 14 )Stock option granted pursuant to the 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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