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
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * LIU DAVID MING-TEH 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 WEST MERIT PARKWAY
3. Date of Earliest Transaction (MM/DD/YYYY)
6/1/2020
(Street)
SOUTH JORDAN, UT 84095
(City)       (State)       (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)
 
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. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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  6/1/2020    M    6300  A $21.71  6300  D 
 
Common Stock, No Par Value  6/1/2020    M    7500  A $34.4  13800  D 
 
Common Stock, No Par Value  6/1/2020    S    13800  D $45  0  D 
 

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 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 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)  $21.71  6/1/2020    M        6300   7/25/2017 (1) 7/25/2023  Common Stock  6300  $0  4200  D 
 
Non-qualified stock options (right to buy)  $34.40  6/1/2020    M        7500   5/24/2018 (2) 5/24/2024  Common Stock  7500  $0  5000  D 
 
Non-qualified stock options (right to buy)  $50.5                  6/7/2019 (3) 6/7/2025  Common Stock  25000    25000  D 
 
Non-qualified stock options (right to buy)  $52.17                  5/24/2020 (4) 5/24/2026  Common Stock  13750    13750  D 
 
Non-qualified stock options (right to buy)  $52.17                  5/31/2020 (5) 5/31/2026  Common Stock  7500    7500  D 
 

Explanation of Responses:
(1)  Becomes exercisable in equal annual installments of 20% commencing 07/25/2017.
(2)  Becomes exercisable in equal annual installments of 20% commencing 05/24/2018.
(3)  Becomes exercisable in equal annual installments of 20% commencing 06/07/2019.
(4)  Becomes exercisable in equal annual installments of 33% commencing 05/24/2020.
(5)  Becomes exercisable in equal annual installments of 33% commencing 05/31/2020.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
LIU DAVID MING-TEH
1600 WEST MERIT PARKWAY
SOUTH JORDAN, UT 84095
X



Signatures
/s/ Brian G. Lloyd, Attorney-in-Fact 6/3/2020
**Signature of Reporting Person Date
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