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 *
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 & CEO
(Last)
(First)
(Middle)
1600 W MERIT PARKWAY
3. Date of Earliest Transaction (Month/Day/Year)
08/10/2015
(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               90,759 I By 401(k) Plan (1)
Common Stock, No Par Value               90 I By spouse as custodian for child.
Common Stock, No Par Value               11,817 I By spouse.
Common Stock, No Par Value 08/10/2015   M(2)   50,000 A $ 9.71 1,092,482 D  
Common Stock, No Par Value 08/10/2015   F(2)   28,985 D $ 25.64 1,063,497 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) $ 9.71 08/10/2015   M     50,000 12/28/2005 12/28/2015 Common Stock 50,000 $ 0 0 D  
Non-qualified stock options (right to buy) $ 13.82             09/26/2010(3) 09/26/2016 Common Stock 25,000   25,000 D  
Non-qualified stock options (right to buy) $ 13.75             08/11/2012(4) 08/11/2018 Common Stock 120,000   120,000 D  
Non-qualified stock options (right to buy) $ 12.06             10/04/2015(5) 10/04/2021 Common Stock 50,000   50,000 D  
Non-qualified stock options (right to buy) $ 17.27             02/13/2016(6) 02/13/2022 Common Stock 50,000   50,000 D  
Non-qualified stock options (right to buy) $ 17.27             02/13/2016(6) 02/13/2022 Common Stock 5,000   5,000 I Please refer to footnote number seven. (7)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
LAMPROPOULOS FRED P
1600 W MERIT PARKWAY
SOUTH JORDAN, UT 84095
  X     President & CEO  

Signatures

 Gregory L. Barnett, Attorney-in-Fact   08/12/2015
**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) Represents plan holdings as of 8/11/2015.
(2) Stock options were exercised in a swap transaction with the Company. 28,985 shares of common stock were surrendered for payroll taxes and payment of the option price. No shares were sold in the open market.
(3) Becomes exercisable in equal annual installments of 20% commencing 9/26/2010.
(4) Becomes exercisable in equal annual installments of 20% commencing 8/11/2012.
(5) Becomes exercisable in equal annual installments of 20% commencing 10/4/2015.
(6) Becomes exercisable in equal annual installments of 20% commencing 2/13/2016.
(7) 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.

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