X0508 4 2025-11-25 0000856982 MERIT MEDICAL SYSTEMS INC MMSI 0000901534 Lampropoulos Fred P. 1600 WEST MERIT PARKWAY SOUTH JORDAN UT 84095 true true false false Executive Chairman 0 Common Stock, No Par Value 8280.258 I By spouse Common Stock, No Par Value 98132 I By 401(k) Plan Common Stock, No Par Value 90 I By spouse as custodian for child Common Stock, No Par Value 2025-11-25 4 S 0 10000 88.0377 D 1019955 D Non-qualified stock options (right to buy) 37.71 2021-02-26 2027-02-26 Common Stock 100334 100334 D Non-qualified stock options (right to buy) 56.25 2022-03-19 2028-03-19 Common Stock 58083 58083 D Non-qualified stock options (right to buy) 70.58 2024-02-28 2030-02-28 Common Stock 54302 54302 D Represents securities held by the spouse of the Reporting Person. The Reporting Person expressly disclaims beneficial ownership of the securities owned by his spouse. The 401(k) number represents plan holdings as of 10/31/2025. The price reported in Column 4 of Table 1 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.00 to $88.175, 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. Becomes exercisable in equal annual installments of 25% commencing 2/26/2021. Becomes exercisable in equal annual installments of 25% commencing 3/19/2022. Becomes exercisable in equal annual installments of 25% commencing 2/28/2024. /s/ Brian G. Lloyd, Attorney-in-Fact 2025-11-26