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 *
Miller Franklin J
  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
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
1600 W MERIT PARKWAY
3. Date of Earliest Transaction (Month/Day/Year)
06/07/2018
(Street)

SOUTH JORDAN, UT 84095
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, No Par Value               18,193 I By the Franklin J. Miller and Bonnie A. Miller Family Trust
Common Stock, No Par Value               11,244 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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
Non-qualified stock options (right to buy) $ 13.75             08/11/2012(1) 08/11/2018 Common Stock 10,000   10,000 D  
Non-qualified stock options (right to buy) $ 12.91             05/23/2013(2) 05/23/2019 Common Stock 20,000   20,000 D  
Non-qualified stock options (right to buy) $ 9.95             05/22/2014(3) 05/22/2020 Common Stock 25,000   25,000 D  
Non-qualified stock options (right to buy) $ 13.99             06/11/2015(4) 06/11/2021 Common Stock 25,000   25,000 D  
Non-qualified stock options (right to buy) $ 20.27             05/22/2016(5) 05/22/2022 Common Stock 25,000   25,000 D  
Non-qualified stock options (right to buy) $ 18.8             05/26/2017(6) 05/26/2023 Common Stock 25,000   25,000 D  
Non-qualified stock options (right to buy) $ 34.4             05/24/2018(7) 05/24/2024 Common Stock 25,000   25,000 D  
Common Stock $ 50.5 06/07/2018   A   25,000   06/07/2019(8) 06/07/2025 Common Stock 25,000 $ 0 25,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Miller Franklin J
1600 W MERIT PARKWAY
SOUTH JORDAN, UT 84095
  X      

Signatures

 Brian G. Lloyd, Attorney-in-Fact   06/07/2018
**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) Becomes exercisable in equal annual installments of 20% commencing 08/11/2012.
(2) Becomes exercisable in equal annual installments of 20% commencing 05/23/2013.
(3) Becomes exercisable in equal annual installments of 20% commencing 05/22/2014.
(4) Becomes exercisable in equal annual installments of 20% commencing 06/11/2015.
(5) Becomes exercisable in equal annual installments of 20% commencing 05/22/2016.
(6) Becomes exercisable in equal annual installments of 20% commencing 05/26/2017.
(7) Becomes exercisable in equal annual installments of 20% commencing 05/24/2018.
(8) Becomes exercisable in equal annual installments of 20% commencing 06/07/2019.

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