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 * 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/YYYY)
2/26/2021
(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  2/26/2021    A    8840 (1) A $0  976756  D 
 
Common Stock, No Par Value  2/26/2021    F    3893  D $55.72  972863  D 
 
Common Stock, No Par Value                 95862.542  I  By 401(k) Plan (2)
Common Stock, No Par Value                 90  I  By spouse as custodian for child 
Common Stock, No Par Value                 1269  I  By spouse 

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)  $17.27                  2/13/2016 (3) 2/13/2022  Common Stock  5000    5000  I  See footnote (4)
Non-qualified stock options (right to buy)  $16.05                  1/28/2017 (5) 1/28/2023  Common Stock  50000    50000  D 
 
Non-qualified stock options (right to buy)  $16.05                  1/28/2017 (6) 1/28/2023  Common Stock  6000    6000  I  See footnote (4)
Non-qualified stock options (right to buy)  $28.20                  4/14/2018 (7) 4/14/2024  Common Stock  200000    200000  D 
 
Non-qualified stock options (right to buy)  $28.20                  4/14/2018 (8) 4/14/2024  Common Stock  6000    6000  I  See footnote (4)
Non-qualified stock options (right to buy)  $44.80                  3/2/2019 (9) 3/2/2025  Common Stock  38002    38002  D 
 
Non-qualified stock options (right to buy)  $44.80                  3/2/2019 (10) 3/2/2025  Common Stock  4000    4000  I  See footnote (4)
Non-qualified stock options (right to buy)  $55.73                  3/1/2020 (11) 3/1/2026  Common Stock  159151    159151  D 
 
Non-qualified stock options (right to buy)  $55.73                  3/1/2020 (12) 3/1/2026  Common Stock  2000    2000  I  See footnote (4)
Non-qualified stock options (right to buy)  $37.71                  2/26/2021 (13) 2/26/2027  Common Stock  100334    100334  D 
 

Explanation of Responses:
(1)  These shares were acquired upon a determination of the Company's Compensation and Talent Development Committee that certain conditions had been met for the issuance of such shares pursuant to performance stock units that were granted on February 26, 2020.
(2)  Represents plan holdings as of 2/26/2021.
(3)  Became exercisable in equal annual installments of 20% commencing 2/13/2016.
(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 1/28/2017.
(6)  Original grant of 7,500 options was to become vested and exercisable in equal annual installments of 20% commencing 1/28/2017. Options not vested as of 6/22/2020 have been forfeited.
(7)  Becomes exercisable in equal annual installments of 20% commencing 4/14/2018.
(8)  Original grant of 10,000 options was to become vested and exercisable in equal annual installments of 20% commencing 4/14/2018. Options not vested as of 6/22/2020 have been forfeited.
(9)  Becomes exercisable in equal annual installments of 20% commencing 3/2/2019.
(10)  Original grant of 10,000 options was to become vested and exercisable in equal annual installments of 20% commencing 3/2/2019. Options not vested as of 6/22/2020 have been forfeited.
(11)  Becomes exercisable in equal annual installments of 20% commencing 3/1/2020.
(12)  Original grant of 10,000 options was to become vested and exercisable in equal annual installments of 20% commencing 3/1/2020. Options not vested as of 6/22/2020 have been forfeited.
(13)  Becomes exercisable in equal annual installments of 25% commencing 2/26/2021.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
LAMPROPOULOS FRED P
1600 WEST MERIT PARKWAY
SOUTH JORDAN, UT 84095
X
PRESIDENT AND CEO

Signatures
/s/ Brian G. Lloyd, Attorney-in-Fact 3/2/2021
**Signature of Reporting Person Date