X0306 4 2015-08-10 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 90759 I By 401(k) Plan Common Stock, No Par Value 90 I By spouse as custodian for child. Common Stock, No Par Value 11817 I By spouse. Common Stock, No Par Value 2015-08-10 4 M 0 50000 9.71 A 1092482 D Common Stock, No Par Value 2015-08-10 4 F 0 28985 25.64 D 1063497 D Non-qualified stock options (right to buy) 9.71 2015-08-10 4 M 0 50000 0 D 2005-12-28 2015-12-28 Common Stock 50000 0 D Non-qualified stock options (right to buy) 13.82 2010-09-26 2016-09-26 Common Stock 25000 25000 D Non-qualified stock options (right to buy) 13.75 2012-08-11 2018-08-11 Common Stock 120000 120000 D Non-qualified stock options (right to buy) 12.06 2015-10-04 2021-10-04 Common Stock 50000 50000 D Non-qualified stock options (right to buy) 17.27 2016-02-13 2022-02-13 Common Stock 50000 50000 D Non-qualified stock options (right to buy) 17.27 2016-02-13 2022-02-13 Common Stock 5000 5000 I Please refer to footnote number seven. Represents plan holdings as of 8/11/2015. 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. Becomes exercisable in equal annual installments of 20% commencing 9/26/2010. Becomes exercisable in equal annual installments of 20% commencing 8/11/2012. Becomes exercisable in equal annual installments of 20% commencing 10/4/2015. Becomes exercisable in equal annual installments of 20% commencing 2/13/2016. 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. Gregory L. Barnett, Attorney-in-Fact 2015-08-12