MMSI
MERIT MEDICAL SYSTEMS INC
Stock Price & Insider Activity
Historical close with open-market insider transaction markers
Insider activity
Sign in to download CSVBought$887.7K8 buy days
Sold$95.4M136 sell days
Net insider flow$-94.6Mnet selling · 10 years
Latest trade2026-08-24Peterson Neil W.
| Date | Side | Insider | Role | Shares | Avg price | Value | Trades |
|---|---|---|---|---|---|---|---|
| 2026-08-24 | Sell | Peterson Neil W. | COO | 7,500 | $90.45 | $678.4K | 1 |
| 2026-08-04 | Sell | Peterson Neil W. | COO | 21,449 | $85.00 | $1.8M | 1 |
| 2026-05-11 | Buy | Smith Christian Adam | Other C-suite | 1,626 | $61.00 | $99.2K | 1 |
| 2026-05-07 | Sell | Ward Lynne N. | Director | 5,000 | $62.61 | $313.1K | 1 |
| 2026-05-07 | Buy | Lloyd Brian G. | Other C-suite | 2,000 | $62.63 | $125.3K | 1 |
| 2026-05-06 | Buy | Aronson Martha Goldberg | CEO | 2,000 | $60.44 | $120.9K | 1 |
| 2026-05-06 | Buy | Parra Raul Jr. | CFO | 1,500 | $61.01 | $91.5K | 1 |
| 2026-05-05 | Buy | Voigt Michel J. | Other C-suite | 2,250 | $60.65 | $136.5K | 1 |
| 2026-01-06 | Sell | Peterson Neil W. | COO | 5,000 | $90.00 | $450.0K | 1 |
| 2025-11-25 | Sell | Lampropoulos Fred P. | Chair | 10,000 | $88.04 | $880.4K | 1 |
| 2025-11-21 | Sell | Lampropoulos Fred P. | Chair | 25,000 | $87.31 | $2.2M | 1 |
| 2025-11-20 | Sell | Lampropoulos Fred P. | Chair | 20,000 | $85.13 | $1.7M | 1 |
| 2025-11-18 | Sell | Lampropoulos Fred P. | Chair | 5,000 | $84.83 | $424.1K | 1 |
| 2025-08-22 | Sell | Ward Lynne N. | Director | 3,000 | $88.56 | $265.7K | 1 |
| 2025-08-11 | Sell | Ward Lynne N. | Director | 2,433 | $84.89 | $206.5K | 1 |
| 2025-06-13 | Sell | Parra Raul Jr. | CFO | 15,181 | $93.75 | $1.4M | 1 |
| 2025-06-10 | Sell | Lampropoulos Fred P. | CEO | 400 | $95.61 | $38.2K | 1 |
| 2025-06-05 | Sell | Lampropoulos Fred P. | CEO | 10,000 | $95.19 | $951.9K | 1 |
| 2025-06-02 | Sell | McDonnell Michael R. | Director | 1,750 | $94.51 | $165.4K | 1 |
| 2025-05-30 | Sell | Lampropoulos Fred P. | CEO | 10,000 | $95.12 | $951.2K | 1 |
| 2025-05-30 | Sell | Floyd David | Director | 3,515 | $94.16 | $331.0K | 1 |
| 2025-05-30 | Sell | McDonnell Michael R. | Director | 1,750 | $94.30 | $165.0K | 1 |
| 2025-05-27 | Sell | LAMPROPOULOS FRED P | CEO | 20,000 | $96.54 | $1.9M | 1 |
| 2025-05-15 | Sell | Millner F. Ann | Director | 21,250 | $96.47 | $2.0M | 1 |
| 2025-04-01 | Sell | Peterson Neil | COO | 5,000 | $104.53 | $522.6K | 1 |
| 2025-03-05 | Sell | LAMPROPOULOS FRED P | CEO | 34,320 | $103.85 | $3.6M | 4 |
| 2025-03-05 | Sell | Lloyd Brian G. | Other C-suite | 30,000 | $102.90 | $3.1M | 1 |
| 2025-03-05 | Sell | Parra Raul Jr. | CFO | 5,361 | $103.58 | $555.3K | 1 |
| 2025-03-03 | Sell | Evans Stephen C. | Director | 5,000 | $105.31 | $526.5K | 1 |
| 2025-03-03 | Sell | Peterson Neil | COO | 5,000 | $105.00 | $525.0K | 1 |
| 2025-02-28 | Sell | Lloyd Brian G. | Other C-suite | 25,000 | $99.50 | $2.5M | 1 |
| 2025-02-28 | Sell | Voigt Michel James | Other C-suite | 13,809 | $99.68 | $1.4M | 1 |
| 2025-02-28 | Sell | Parra Raul Jr. | CFO | 12,451 | $98.81 | $1.2M | 1 |
| 2024-11-15 | Sell | Millner F. Ann | Director | 12,500 | $101.55 | $1.3M | 1 |
| 2024-11-07 | Sell | Parra Raul Jr. | CFO | 5,361 | $102.18 | $547.8K | 1 |
| 2024-11-05 | Sell | Parra Raul Jr. | CFO | 29,646 | $98.02 | $2.9M | 1 |
| 2024-11-05 | Sell | Peterson Neil | COO | 5,000 | $98.00 | $490.0K | 1 |
| 2024-06-28 | Sell | Millner F. Ann | Director | 12,500 | $85.00 | $1.1M | 2 |
| 2024-06-10 | Sell | Peterson Neil | COO | 7,500 | $81.85 | $613.9K | 1 |
| 2024-03-12 | Sell | Parra Raul Jr. | CFO | 6,480 | $73.95 | $479.2K | 2 |
| 2024-03-07 | Sell | Wright Joseph | Other C-suite | 25,000 | $75.68 | $1.9M | 1 |
| 2024-03-04 | Sell | Gunderson Thomas James | Director | 18,157 | $76.03 | $1.4M | 1 |
| 2024-03-04 | Sell | Evans Stephen C. | Director | 1,000 | $76.35 | $76.3K | 1 |
| 2024-01-22 | Sell | Millner F. Ann | Director | 20,000 | $80.00 | $1.6M | 1 |
| 2023-08-22 | Sell | Peterson Neil | COO | 8,000 | $67.91 | $543.3K | 1 |
| 2023-08-09 | Sell | ANDERSON A SCOTT | Director | 22,180 | $69.40 | $1.5M | 1 |
| 2023-03-16 | Sell | Peterson Neil | COO | 8,000 | $68.75 | $550.0K | 1 |
| 2023-03-14 | Sell | LAMPROPOULOS FRED P | CEO | 24,977 | $68.27 | $1.7M | 2 |
| 2023-03-14 | Sell | Voigt Michel James | Other C-suite | 2,000 | $68.31 | $136.6K | 1 |
| 2023-03-08 | Sell | Ward Lynne | Director | 11,585 | $66.71 | $772.8K | 1 |
| 2023-03-06 | Sell | ANDERSON A SCOTT | Director | 15,000 | $66.74 | $1.0M | 1 |
| 2023-03-03 | Sell | Parra Raul Jr. | CFO | 1,023 | $70.00 | $71.6K | 1 |
| 2023-03-02 | Sell | LAMPROPOULOS FRED P | CEO | 19,176 | $69.86 | $1.3M | 1 |
| 2023-03-02 | Sell | Parra Raul Jr. | CFO | 11,986 | $70.00 | $839.0K | 1 |
| 2023-03-01 | Sell | LAMPROPOULOS FRED P | CEO | 1,483 | $70.17 | $104.1K | 1 |
| 2022-08-15 | Sell | Wright Joseph | President | 5,000 | $63.25 | $316.2K | 1 |
| 2022-08-12 | Sell | Parra Raul Jr. | CFO | 2,343 | $62.73 | $147.0K | 2 |
| 2022-08-12 | Sell | Lloyd Brian G. | Other C-suite | 93 | $62.00 | $5.8K | 1 |
| 2022-08-11 | Sell | Lloyd Brian G. | Other C-suite | 26,807 | $62.03 | $1.7M | 1 |
| 2022-08-10 | Sell | Frost Ronald | COO | 20,000 | $62.10 | $1.2M | 1 |
| 2022-08-01 | Sell | Peterson Neil | COO | 4,000 | $58.10 | $232.4K | 1 |
| 2022-06-03 | Sell | Millner F. Ann | Director | 6,378 | $61.92 | $394.9K | 1 |
| 2021-09-15 | Sell | Lloyd Brian G. | Other C-suite | 15,546 | $71.88 | $1.1M | 1 |
| 2021-09-15 | Sell | Wright Joseph | President | 10,000 | $72.01 | $720.1K | 1 |
| 2021-09-15 | Sell | Ward Lynne | Director | 9,470 | $71.83 | $680.2K | 1 |
| 2021-09-14 | Sell | Lloyd Brian G. | Other C-suite | 3,454 | $71.76 | $247.9K | 1 |
| 2021-09-10 | Sell | Anderson Jill | Director | 850 | $71.64 | $60.9K | 1 |
| 2021-09-09 | Sell | Parra Raul Jr. | CFO | 2,000 | $72.00 | $144.0K | 1 |
| 2021-09-08 | Sell | Parra Raul Jr. | CFO | 2,000 | $72.01 | $144.0K | 1 |
| 2021-06-15 | Sell | Frost Ronald | COO | 11,887 | $61.82 | $734.9K | 1 |
| 2021-05-25 | Sell | Parra Raul Jr. | CFO | 5,000 | $63.76 | $318.8K | 1 |
| 2021-05-24 | Sell | Parra Raul Jr. | CFO | 2,000 | $63.16 | $126.3K | 1 |
| 2021-05-21 | Sell | Wright Joseph | President | 15,000 | $62.03 | $930.5K | 1 |
| 2021-05-17 | Sell | ANDERSON A SCOTT | Director | 23,779 | $59.19 | $1.4M | 1 |
| 2021-05-07 | Sell | Lloyd Brian G. | Other C-suite | 5,000 | $64.62 | $323.1K | 1 |
| 2021-05-06 | Sell | Wright Joseph | President | 5,000 | $64.75 | $323.8K | 1 |
| 2021-05-04 | Sell | Wright Joseph | President | 5,000 | $64.25 | $321.2K | 1 |
| 2021-03-16 | Sell | Frost Ronald | COO | 5,000 | $60.60 | $303.0K | 1 |
| 2021-03-15 | Sell | Lloyd Brian G. | Other C-suite | 2,115 | $58.72 | $124.2K | 1 |
| 2021-03-12 | Sell | Frost Ronald | COO | 25,000 | $59.58 | $1.5M | 1 |
| 2021-03-12 | Sell | Lampropoulos Justin J. | President | 25,000 | $59.58 | $1.5M | 1 |
| 2021-03-12 | Sell | Lloyd Brian G. | Other C-suite | 12,303 | $59.50 | $732.0K | 1 |
| 2021-03-12 | Sell | LAMPROPOULOS FRED P | CEO | 4,947 | $59.60 | $294.8K | 1 |
| 2021-03-12 | Sell | Parra Raul Jr. | CFO | 1,000 | $59.57 | $59.6K | 1 |
| 2020-08-04 | Buy | Floyd David | Director | 1,159 | $43.11 | $50.0K | 1 |
| 2020-06-01 | Sell | LIU DAVID MING-TEH | Director | 13,800 | $45.00 | $621.0K | 1 |
| 2020-05-28 | Sell | Karras Nolan E. | Director | 5,000 | $43.87 | $219.3K | 1 |
| 2020-05-27 | Sell | Karras Nolan E. | Director | 5,000 | $44.12 | $220.6K | 1 |
| 2020-05-20 | Sell | LAMPROPOULOS FRED P | CEO | 5,000 | $44.00 | $220.0K | 1 |
| 2020-03-11 | Sell | Miller Franklin J | Director | 2,331 | $35.25 | $82.2K | 1 |
| 2020-03-06 | Sell | ANDERSON A SCOTT | Director | 6,638 | $37.29 | $247.5K | 1 |
| 2020-03-04 | Sell | Miller Franklin J | Director | 15,000 | $38.07 | $571.0K | 1 |
| 2020-03-02 | Sell | Karras Nolan E. | Director | 5,500 | $36.69 | $201.8K | 1 |
| 2019-11-05 | Buy | Parra Raul Jr. | CFO | 2,525 | $25.50 | $64.4K | 1 |
| 2019-09-06 | Sell | LAMPROPOULOS FRED P | CEO | 161,817 | $30.70 | $5.0M | 2 |
| 2019-08-16 | Sell | Karras Nolan E. | Director | 4,000 | $36.46 | $145.8K | 1 |
| 2019-08-15 | Sell | LAMPROPOULOS FRED P | CEO | 40,000 | $36.86 | $1.5M | 1 |
| 2019-08-15 | Sell | Millner F. Ann | Director | 3,780 | $36.67 | $138.6K | 1 |
| 2019-08-02 | Sell | STILLABOWER MICHAEL E | Director | 40,750 | $40.05 | $1.6M | 1 |
| 2019-07-30 | Buy | Frost Ronald | COO | 5,000 | $40.00 | $200.0K | 1 |
| 2019-06-19 | Sell | Lampropoulos Justin J. | EVP / SVP | 8,000 | $60.87 | $487.0K | 1 |
| 2019-06-19 | Sell | Karras Nolan E. | Director | 4,000 | $60.91 | $243.6K | 1 |
| 2019-05-07 | Sell | Parra Raul Jr. | CFO | 2,000 | $57.11 | $114.2K | 1 |
| 2019-03-29 | Sell | STANGER KENT W | Director | 12,228 | $61.05 | $746.5K | 1 |
| 2019-03-29 | Sell | Miller Franklin J | Director | 5,000 | $61.38 | $306.9K | 1 |
| 2019-03-28 | Sell | STANGER KENT W | Director | 2,883 | $60.19 | $173.5K | 1 |
| 2019-03-27 | Sell | STANGER KENT W | Director | 901 | $60.54 | $54.5K | 1 |
| 2019-03-26 | Sell | STANGER KENT W | Director | 1,216 | $60.54 | $73.6K | 1 |
| 2019-03-14 | Sell | Miller Franklin J | Director | 20,000 | $60.44 | $1.2M | 1 |
| 2019-03-14 | Sell | Parra Raul Jr. | CFO | 5,000 | $60.20 | $301.0K | 1 |
| 2019-03-04 | Sell | STILLABOWER MICHAEL E | Director | 10,000 | $58.05 | $580.5K | 1 |
| 2018-11-29 | Sell | Karras Nolan E. | Director | 2,000 | $61.28 | $122.6K | 1 |
| 2018-11-16 | Sell | Lampropoulos Justin J. | EVP / SVP | 20,000 | $61.01 | $1.2M | 1 |
| 2018-11-16 | Sell | Frost Ronald | COO | 4,743 | $61.30 | $290.7K | 1 |
| 2018-11-07 | Sell | Frost Ronald | COO | 5,257 | $61.31 | $322.3K | 1 |
| 2018-10-31 | Sell | Millner F. Ann | Director | 9,593 | $56.92 | $546.0K | 1 |
| 2018-06-25 | Sell | Miller Franklin J | Director | 4,106 | $50.95 | $209.2K | 1 |
| 2018-06-22 | Sell | Miller Franklin J | Director | 1,600 | $50.23 | $80.4K | 1 |
| 2018-06-21 | Sell | Miller Franklin J | Director | 1,500 | $50.05 | $75.1K | 1 |
| 2018-06-14 | Sell | Wright Joseph | President | 10,072 | $49.53 | $498.9K | 1 |
| 2018-06-13 | Sell | Wright Joseph | President | 9,928 | $49.49 | $491.3K | 1 |
| 2018-06-06 | Sell | STILLABOWER MICHAEL E | Director | 12,050 | $50.50 | $608.5K | 1 |
| 2018-06-05 | Sell | Lampropoulos Justin J. | EVP / SVP | 14,000 | $51.31 | $718.3K | 1 |
| 2017-12-29 | Sell | Miller Franklin J | Director | 10,000 | $43.93 | $439.3K | 1 |
| 2017-12-15 | Sell | STANGER KENT W | Director | 9,082 | $44.90 | $407.8K | 1 |
| 2017-11-30 | Sell | STANGER KENT W | Director | 700 | $44.50 | $31.1K | 1 |
| 2017-11-29 | Sell | STANGER KENT W | Director | 2,218 | $44.57 | $98.9K | 1 |
| 2017-09-14 | Sell | STANGER KENT W | Director | 670 | $42.06 | $28.2K | 1 |
| 2017-09-11 | Sell | STANGER KENT W | Director | 1,930 | $42.02 | $81.1K | 1 |
| 2017-08-08 | Sell | STANGER KENT W | Director | 2,300 | $42.50 | $97.8K | 1 |
| 2017-08-07 | Sell | ANDERSON A SCOTT | Director | 25,000 | $41.15 | $1.0M | 1 |
| 2017-08-07 | Sell | STANGER KENT W | Director | 5,100 | $42.09 | $214.7K | 1 |
| 2017-08-03 | Sell | Millner F. Ann | Director | 3,106 | $41.01 | $127.4K | 1 |
| 2017-08-01 | Sell | EDELMAN RICHARD W | Other | 29,000 | $41.19 | $1.2M | 1 |
| 2017-06-30 | Sell | EDELMAN RICHARD W | Other | 20,000 | $37.62 | $752.4K | 1 |
| 2017-06-28 | Sell | Millner F. Ann | Director | 6,744 | $38.15 | $257.3K | 1 |
| 2017-06-27 | Sell | Karras Nolan E. | Director | 7,000 | $37.15 | $260.1K | 1 |
| 2017-05-25 | Sell | EDELMAN RICHARD W | Director | 8,563 | $34.42 | $294.7K | 1 |
| 2017-05-24 | Sell | EDELMAN RICHARD W | Director | 7,437 | $34.50 | $256.6K | 1 |
| 2017-05-19 | Sell | STILLABOWER MICHAEL E | Director | 17,110 | $33.71 | $576.8K | 1 |
| 2017-05-15 | Sell | Miller Franklin J | Director | 16,090 | $33.95 | $546.3K | 1 |
| 2016-12-09 | Sell | Frost Ronald | COO | 15,000 | $26.25 | $393.8K | 1 |
| 2016-12-09 | Sell | STANGER KENT W | Director | 8,000 | $26.42 | $211.4K | 1 |
| 2016-12-08 | Sell | STANGER KENT W | Director | 4,000 | $25.98 | $103.9K | 1 |