Sec Form 4 Filing - LAMPROPOULOS FRED P @ MERIT MEDICAL SYSTEMS INC - 2020-05-20

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 LAMPROPOULOS FRED P 2. Issuer Name and Ticker or Trading Symbol MERIT MEDICAL SYSTEMS INC [ MMSI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) PRESIDENT AND CEO (Last) (First) (Middle) 1600 WEST MERIT PARKWAY 3. Date of Earliest Transaction (MM/DD/YY) 05/20/2020 (Street) SOUTH JORDAN, UT84095 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, No Par Value 05/20/2020 M 5,000 A $ 12.06 6,269 I By spouse Common Stock, No Par Value 05/20/2020 S 5,000 D $ 44 ( 1 ) 1,269 I By spouse Common Stock, No Par Value 95,467 I By 401(k) Plan ( 2 ) Common Stock, No Par Value 90 I By spouse as custodian for child Common Stock, No Par Value 967,916 D

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 Non-qualified stock options (right to buy) $ 12.06 05/20/2020 M 5,000 10/04/2015( 3 ) 10/04/2021 Common Stock 5,000 $ 0 0 I See footnote ( 4 ) Non-qualified stock options (right to buy) $ 17.27 02/13/2016( 5 ) 02/13/2022 Common Stock 5,000 5,000 I See footnote ( 4 ) Non-qualified stock options (right to buy) $ 16.05 01/28/2017( 6 ) 01/28/2023 Common Stock 50,000 50,000 D Non-qualified stock options (right to buy) $ 16.05 01/28/2017( 6 ) 01/28/2023 Common Stock 7,500 7,500 I See footnote ( 4 ) Non-qualified stock options (right to buy) $ 28.2 04/14/2018( 7 ) 04/14/2024 Common Stock 200,000 200,000 D Non-qualified stock options (right to buy) $ 28.2 04/14/2018( 7 ) 04/14/2024 Common Stock 10,000 10,000 I See footnote ( 4 ) Non-qualified stock options (right to buy) $ 44.8 03/02/2019( 8 ) 03/02/2025 Common Stock 38,002 38,002 D Non-qualified stock options (right to buy) $ 44.8 03/02/2019( 8 ) 03/02/2025 Common Stock 10,000 10,000 I See footnote ( 4 ) Non-qualified stock options (right to buy) $ 55.73 03/01/2020( 9 ) 03/01/2026 Common Stock 159,151 159,151 D Non-qualified stock options (right to buy) $ 55.73 03/01/2020( 9 ) 03/01/2026 Common Stock 10,000 10,000 I See footnote ( 4 ) Non-qualified stock options (right to buy) $ 37.71 02/26/2021( 10 ) 02/26/2027 Common Stock 100,334 100,334 D Performance Stock Units ( 11 ) 03/15/2021( 12 ) 03/15/2023( 11 ) Common Stock 21,215 ( 13 ) 21,215 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other LAMPROPOULOS FRED P 1600 WEST MERIT PARKWAY SOUTH JORDAN, UT84095 X PRESIDENT AND CEO Signatures /s/ Brian G. Lloyd, Attorney-in-Fact 05/22/2020 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The price reported in Column 4 of Table 1 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.00 to $44.01, inclusive. The Reporting Person undertakes to provide to Merit Medical Systems, Inc., any security holder of Merit Medical Systems, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. ( 2 )Represents plan holdings as of 5/20/2020. ( 3 )Becomes exercisable in equal annual installments of 20% commencing 10/4/2015. ( 4 )Represents derivative securities held by the spouse of the reporting person. The reporting person expressly disclaims beneficial ownership of the securities owned by his spouse. ( 5 )Becomes exercisable in equal annual installments of 20% commencing 2/13/2016. ( 6 )Becomes exercisable in equal annual installments of 20% commencing 1/28/2017. ( 7 )Becomes exercisable in equal annual installments of 20% commencing 4/14/2018. ( 8 )Becomes exercisable in equal annual installments of 20% commencing 3/2/2019. ( 9 )Becomes exercisable in equal annual installments of 20% commencing 3/1/2020. ( 10 )Becomes exercisable in equal annual installments of 25% commencing 2/26/2021. ( 11 )Each performance share unit represents the Company's commitment to issue one share of Merit Medical Systems, Inc. common stock, subject to achievement of performance criteria. ( 12 )If earned by the Reporting Person, the PSUs will be awarded not later than March 15 of the year following the Issuer's achievement of the target level of free cash flow, subject to conditions set forth in the Performance Stock Unit Award Agreement. ( 13 )On February 26, 2020, the reporting person was awarded a target number of performance share units ("PSUs") pursuant to a Performance Stock Unit Award Agreement by and between the Reporting Person and the Issuer. The actual number of PSUs to be awarded to the Reporting Person will be based upon the Issuer's free cash flow measured against its 2020 financial plan over one, two and three-year periods ending December 31, 2020, 2021 and 2022, respectively, and subject to the Reporting Person's continued employment with the Issuer and the conditions set forth in the Stock Unit Award Agreement.

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