X0303 4 2010-06-15 0 0000856982 MERIT MEDICAL SYSTEMS INC MMSI 0000901534 LAMPROPOULOS FRED P 1600 W MERIT PARKWAY SOUTH JORDAN UT 84095 1 1 0 0 President & CEO Common Stock, No Par Value 2010-06-15 4 S 0 5000 16.2866 D 775369 D Common Stock, No Par Value 65143 I By 401(k) Plan Non-qualified stock options (right to buy) 2.85 2001-05-23 2011-05-23 Common Stock 27777 27777 D Non-qualified stock options (right to buy) 7.61 2002-12-08 2011-12-08 Common Stock 88889 88889 D Non-qualified stock options (right to buy) 9.56 2002-05-23 2012-05-23 Common Stock 17777 17777 D Non-qualified stock options (right to buy) 9.74 2004-02-06 2013-02-06 Common Stock 71111 71111 D Non-qualified stock options (right to buy) 10.47 2003-05-22 2013-05-22 Common Stock 26667 26667 D Non-qualified stock options (right to buy) 21.67 2004-12-13 2013-12-13 Common Stock 28000 28000 D Non-qualified stock options (right to buy) 21.67 2003-12-13 2013-12-13 Common Stock 15000 15000 D Non-qualified stock options (right to buy) 13.81 2004-06-10 2014-06-10 Common Stock 15000 15000 D Non-qualified stock options (right to buy) 13.81 2004-06-10 2014-06-10 Common Stock 12000 12000 D Non-qualified stock options (right to buy) 15.03 2004-12-18 2014-12-18 Common Stock 40000 40000 D Non-qualified stock options (right to buy) 14.26 2005-05-25 2015-05-25 Common Stock 15000 15000 D Non-qualified stock options (right to buy) 17.99 2005-07-15 2015-07-15 Common Stock 75000 75000 D Non-qualified stock options (right to buy) 12.14 2005-12-28 2015-12-28 Common Stock 40000 40000 D Non-qualified stock options (right to buy) 11.52 2007-05-25 2013-05-25 Common Stock 15000 15000 D Non-qualified stock options (right to buy) 12.13 2008-06-27 2014-06-27 Common Stock 40000 40000 D Non-qualified stock options (right to buy) 12.13 2008-06-27 2014-06-27 Common Stock 15000 15000 D Non-qualified stock options (right to buy) 14.41 2009-05-21 2015-05-21 Common Stock 55000 55000 D Non-qualified stock options (right to buy) 17.28 2010-09-26 2016-09-26 Common Stock 20000 20000 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.21 to $16.40, 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 footnote (1) to this Form 4. Represents plan holdings as of June 13, 2010. Becomes exercisable in equal annual installments of 20% commencing 12/8/2002. Becomes exercisable in equal annual installments of 20% commencing 2/6/2004. Becomes exercisable in equal annual installments of 20% commencing 12/13/2004. Becomes exercisable in equal annual installments of 33.33% commencing 5/25/2007. Becomes exercisable in equal annual installments of 20% commencing 6/27/2008. Becomes exercisable in equal annual installments of 20% commencing 5/21/2009. Becomes exercisable in equal annual installments of 20% commencing 9/26/2010. Rashelle Perry, Attorney-in-Fact 2010-06-17