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 *
BARNETT GREG L
   2. Issuer Name and Ticker or Trading Symbol
MERIT MEDICAL SYSTEMS INC [MMSI] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Accounting Officer
(Last)
(First)
(Middle)
1600 W. MERIT PARKWAY		 3. Date of Earliest Transaction (Month/Day/Year)
04/18/2011
(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 04/18/2011   M   4,779 A $ 7.61 4,779 D  
Common Stock, No Par Value 04/18/2011   M   10,277 A $ 9.74 15,056 D  
Common Stock, No Par Value 04/18/2011   S   15,056 D $ 22.42 (7) 0 D  
Common Stock, No Par Value               4,759 I By 401(k) plan (1)

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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) $ 7.61 04/18/2011   M     4,779 12/08/2002(2) 12/08/2011 Common Stock 4,779 $ 0 0 D  
Non-qualified stock options (right to buy) $ 9.74 04/18/2011   M     10,277 02/06/2004(3) 02/06/2013 Common Stock 10,277 $ 0 7,500 D  
Non-qualified stock options (right to buy) $ 21.67             12/13/2004(4) 12/13/2013 Common Stock 7,000   7,000 D  
Non-qualified stock options (right to buy) $ 13.81             06/10/2004 06/10/2014 Common Stock 3,000   3,000 D  
Non-qualified stock options (right to buy) $ 15.03             12/18/2004 12/18/2014 Common Stock 10,000   10,000 D  
Non-qualified stock options (right to buy) $ 12.14             12/28/2005 12/28/2015 Common Stock 10,000   10,000 D  
Non-qualified stock options (right to buy) $ 12.13             06/27/2008(5) 06/27/2014 Common Stock 10,000   10,000 D  
Non-qualified stock options (right to buy) $ 14.41             05/21/2009(6) 05/21/2015 Common Stock 20,000   20,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
BARNETT GREG L
1600 W. MERIT PARKWAY
SOUTH JORDAN, UT 84095		       Chief Accounting Officer  

Signatures

 Gregory L. Barnett   04/19/2011
**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 04/15/2011.
(2) Becomes exercisable in equal annual installments of 20% commencing 12/08/02.
(3) Becomes exercisable in equal annual installments of 20% commencing 02/06/04.
(4) Becomes exercisable in equal annual installments of 20% commencing 12/13/04.
(5) Becomes exercisable in equal annual installments of 20% commencing 06/27/08.
(6) Becomes exercisable in equal annual installments of 20% commencing 05/21/09.
(7) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.19 to $22.74, 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.

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