MMSI MERIT MEDICAL SYSTEMS INC
Nasdaq · SEC CIK 856982 · EDGAR
- Bought, last 12 months
- $573.3K 5 purchases by 5 insiders
- Sold, last 12 months
- $8.45M 8 sales by 3 insiders
- Filings on record
- 156 since 2021-09-10, latest 2026-09-09 15:58
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Lampropoulos Fred P. | Executive COB, Dir | — | $5.19M |
| Peterson Neil W. | COO | — | $2.95M |
| Ward Lynne N. | Dir | — | $313.0K |
| Voigt Michel J. | CHRO | $136.5K | — |
| Lloyd Brian G. | CLO, Sec | $125.2K | — |
| Aronson Martha Goldberg | Pres, CEO, Dir | $120.9K | — |
| Smith Christian Adam | Chief Commercial Off | $99.2K | — |
| Parra Raul Jr. | CFO AND Treas | $91.5K | — |
| Perez Silvia M. | Dir | — | — |
| Evans Stephen C. | Dir | — | — |
Transactions 240
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-09 15:58 | 2026-09-04 | MMSI | Lewis Sheri | EVP of Gbl Ops | A - Grant | $0.00 | +8,371 | 8,371 | New | $0 | |
| 2026-08-25 16:43 | 2026-08-24 | MMSI | Peterson Neil W. | COO | S - Sale | $90.45 | -7,500 | 18.1K | -29% | -$678.4K | |
| 2026-08-25 16:42 | 2026-08-24 | MMSI | Voigt Michel J. | CHRO | G - Gift | $0.00 | -650 | 45.4K | -1% | $0 | |
| 2026-08-05 13:22 | 2026-08-04 | MMSI | Peterson Neil W. | COO | S - Sale | $85.00 | -21.4K | 25.6K | -46% | -$1.82M | |
| 2026-06-17 09:48 | 2026-06-15 | MMSI | Voigt Michel J. | CHRO | G - Gift | $0.00 | -65 | 46.1K | -0.1% | $0 | |
| 2026-06-08 14:28 | 2026-06-05 | MMSI | Lloyd Brian G. | CLO, Sec | G - Gift | $0.00 | -2,000 | 60.1K | -3% | $0 | |
| DM | 2026-05-21 09:10 | 2026-05-20 | MMSI | Gunderson Thomas J. | Dir | M - OptEx | $52.17 | +21.2K | 60.7K | +54% | +$1.11M |
| 2026-05-19 18:13 | 2026-05-18 | MMSI | Ward Lynne N. | Dir | A - Grant | $0.00 | +3,457 | 11.3K | +44% | $0 | |
| 2026-05-19 18:12 | 2026-05-18 | MMSI | Ward Scott R. | Dir | A - Grant | $0.00 | +3,457 | 3,457 | New | $0 | |
| 2026-05-19 18:10 | 2026-05-18 | MMSI | Gunderson Thomas J. | Dir | A - Grant | $0.00 | +3,457 | 39.5K | +10% | $0 | |
| 2026-05-19 18:09 | 2026-05-18 | MMSI | Evans Stephen C. | Dir | A - Grant | $0.00 | +3,457 | 10.3K | +51% | $0 | |
| 2026-05-19 18:07 | 2026-05-18 | MMSI | Kaiser Laura S. | Dir | A - Grant | $0.00 | +3,457 | 13.4K | +35% | $0 | |
| 2026-05-19 18:05 | 2026-05-18 | MMSI | Perez Silvia M. | Dir | A - Grant | $0.00 | +3,457 | 8,040 | +75% | $0 | |
| 2026-05-19 18:04 | 2026-05-18 | MMSI | Carpenter Lonny J. | Dir | A - Grant | $0.00 | +3,457 | 20.8K | +20% | $0 | |
| 2026-05-19 18:02 | 2026-05-18 | MMSI | McDonnell Michael R. | Dir | A - Grant | $0.00 | +3,457 | 9,852 | +54% | $0 | |
| 2026-05-19 18:01 | 2026-05-18 | MMSI | Millner F. Ann Ed.D. | Dir | A - Grant | $0.00 | +3,457 | 38.0K | +10% | $0 | |
| I | 2026-05-13 13:19 | 2026-05-11 | MMSI | Smith Christian Adam | Chief Commercial Off | P - Purchase | $61.00 | +1,626 | 2,220 | +274% | +$99.2K |
| 2026-05-11 13:04 | 2026-05-07 | MMSI | Ward Lynne N. | Dir | S - Sale | $62.61 | -5,000 | 7,809 | -39% | -$313.0K | |
| I | 2026-05-11 13:03 | 2026-05-07 | MMSI | Lloyd Brian G. | CLO, Sec | P - Purchase | $62.62 | +2,000 | 2,000 | New | +$125.2K |
| 2026-05-07 16:12 | 2026-05-06 | MMSI | Aronson Martha Goldberg | Pres, CEO, Dir | P - Purchase | $60.44 | +2,000 | 49.8K | +4% | +$120.9K | |
| 2026-05-07 16:09 | 2026-05-06 | MMSI | Parra Raul Jr. | CFO AND Treas | P - Purchase | $61.01 | +1,500 | 58.8K | +3% | +$91.5K | |
| I | 2026-05-07 16:07 | 2026-05-05 | MMSI | Voigt Michel J. | CHRO | P - Purchase | $60.65 | +2,250 | 2,265 | +15,000% | +$136.5K |
| 2026-03-02 | 2026-02-26 | MMSI | Smith Christian Adam | Chief Commercial Off | F - Tax | $78.02 | -2,018 | 30.3K | -6% | -$157.4K | |
| M | 2026-03-02 | 2026-02-26 | MMSI | Smith Christian Adam | Chief Commercial Off | A - Grant | $0.00 | +21.4K | 19.2K | New | $0 |
| 2026-03-02 | 2026-02-26 | MMSI | Aronson Martha Goldberg | Pres, CEO, Dir | A - Grant | $0.00 | +28.2K | 47.8K | +144% | $0 | |
| 2026-03-02 | 2026-02-26 | MMSI | Peterson Neil W. | COO | F - Tax | $78.02 | -6,061 | 47.0K | -11% | -$472.9K | |
| M | 2026-03-02 | 2026-02-26 | MMSI | Peterson Neil W. | COO | A - Grant | $0.00 | +24.7K | 36.1K | +217% | $0 |
| M | 2026-03-02 | 2026-02-26 | MMSI | Lloyd Brian G. | CLO, Sec | A - Grant | $0.00 | +33.7K | 67.9K | +98% | $0 |
| 2026-03-02 | 2026-02-26 | MMSI | Lloyd Brian G. | CLO, Sec | F - Tax | $78.02 | -5,778 | 62.1K | -9% | -$450.8K | |
| M | 2026-03-02 | 2026-02-26 | MMSI | Parra Raul Jr. | CFO AND Treas | A - Grant | $0.00 | +38.9K | 36.5K | New | $0 |
| 2026-03-02 | 2026-02-26 | MMSI | Parra Raul Jr. | CFO AND Treas | F - Tax | $78.02 | -5,778 | 57.3K | -9% | -$450.8K | |
| M | 2026-03-02 | 2026-02-26 | MMSI | Voigt Michel J. | CHRO | A - Grant | $0.00 | +31.1K | 29.4K | New | $0 |
| 2026-03-02 | 2026-02-26 | MMSI | Voigt Michel J. | CHRO | F - Tax | $78.02 | -6,698 | 46.1K | -13% | -$522.6K | |
| D | 2026-01-08 | 2026-01-06 | MMSI | Peterson Neil W. | COO | S - Sale+OE | $90.00 | -5,000 | 28.4K | -15% | -$450.0K |
| D | 2026-01-08 | 2026-01-06 | MMSI | Peterson Neil W. | COO | M - OptEx | $54.40 | +5,000 | 33.4K | +18% | +$272.0K |
| 2025-11-26 | 2025-11-25 | MMSI | Lampropoulos Fred P. | Executive COB, Dir | S - Sale | $88.04 | -10.0K | 1.02M | -1.0% | -$880.4K | |
| 2025-11-24 | 2025-11-21 | MMSI | Lampropoulos Fred P. | Executive COB, Dir | S - Sale | $87.31 | -25.0K | 1.03M | -2% | -$2.18M | |
| 2025-11-21 | 2025-11-20 | MMSI | Lampropoulos Fred P. | Executive COB, Dir | S - Sale | $85.13 | -20.0K | 1.05M | -2% | -$1.70M | |
| 2025-11-20 | 2025-11-18 | MMSI | Lampropoulos Fred P. | Executive COB, Dir | S - Sale | $84.83 | -5,000 | 1.07M | -0.5% | -$424.1K | |
| 2025-10-07 | 2025-10-03 | MMSI | Aronson Martha Goldberg | Pres, CEO | A - Grant | $0.00 | +19.6K | 19.6K | New | $0 | |
| A | 2025-10-07 | 2025-10-03 | MMSI | Aronson Martha Goldberg | Pres, CEO, Dir | A - Grant | $0.00 | +19.6K | 19.6K | New | $0 |
| D | 2025-09-03 | 2025-08-29 | MMSI | Lampropoulos Fred P. | Pres, CEO, Dir | M - OptEx | $55.73 | +159.2K | 1.20M | +15% | +$8.87M |
| DI | 2025-09-03 | 2025-08-29 | MMSI | Lampropoulos Fred P. | Pres, CEO, Dir | M - OptEx | $55.73 | +2,000 | 9,734 | +26% | +$111.5K |
| D | 2025-09-03 | 2025-08-29 | MMSI | Lampropoulos Fred P. | Pres, CEO, Dir | F - Tax | $90.54 | -124.8K | 1.08M | -10% | -$11.30M |
| DI | 2025-09-03 | 2025-08-29 | MMSI | Lampropoulos Fred P. | Pres, CEO, Dir | F - Tax | $90.54 | -1,454 | 8,280 | -15% | -$131.6K |
| D | 2025-08-25 | 2025-08-22 | MMSI | Ward Lynne N. | Dir | M - OptEx | $34.46 | +3,000 | 15.8K | +23% | +$103.4K |
| D | 2025-08-25 | 2025-08-22 | MMSI | Ward Lynne N. | Dir | S - Sale+OE | $88.56 | -3,000 | 12.8K | -19% | -$265.7K |
| D | 2025-08-12 | 2025-08-11 | MMSI | Ward Lynne N. | Dir | M - OptEx | $34.46 | +2,433 | 15.2K | +19% | +$83.8K |
| D | 2025-08-12 | 2025-08-11 | MMSI | Ward Lynne N. | Dir | S - Sale+OE | $84.89 | -2,433 | 12.8K | -16% | -$206.5K |
| DM | 2025-06-17 | 2025-06-13 | MMSI | Parra Raul Jr. | CFO AND Treas | M - OptEx | $59.43 | +15.2K | 39.4K | +63% | +$902.2K |
| D | 2025-06-17 | 2025-06-13 | MMSI | Parra Raul Jr. | CFO AND Treas | S - Sale+OE | $93.75 | -15.2K | 24.2K | -39% | -$1.42M |
| 2025-06-12 | 2025-06-10 | MMSI | Lampropoulos Fred P. | Pres, CEO, Dir | S - Sale | $95.61 | -400 | 1.05M | -0.0% | -$38.2K | |
| 2025-06-09 | 2025-06-05 | MMSI | Lampropoulos Fred P. | Pres, CEO, Dir | S - Sale | $95.19 | -10.0K | 1.05M | -0.9% | -$951.9K | |
| 2025-06-03 | 2025-06-02 | MMSI | Voigt Michel J. | CHRO | G - Gift | $0.00 | -55 | 21.7K | -0.3% | $0 | |
| M | 2025-06-03 | 2025-05-30+ | MMSI | McDonnell Michael R. | Dir | S - Sale | $94.41 | -3,500 | 8,145 | -30% | -$330.4K |
| 2025-06-03 | 2025-05-30 | MMSI | Lampropoulos Fred P. | Pres, CEO, Dir | S - Sale | $95.12 | -10.0K | 1.06M | -0.9% | -$951.2K | |
| I | 2025-06-03 | 2025-05-30 | MMSI | Floyd David | Dir | S - Sale | $94.16 | -3,515 | 4,880 | -42% | -$331.0K |
| 2025-05-29 | 2025-05-27 | MMSI | LAMPROPOULOS FRED P | Pres, CEO, Dir | S - Sale | $96.54 | -20.0K | 1.07M | -2% | -$1.93M | |
| 2025-05-19 | 2025-05-15 | MMSI | Floyd David | Dir | A - Grant | $0.00 | +2,152 | 11.0K | +24% | $0 | |
| 2025-05-19 | 2025-05-15 | MMSI | Carpenter Lonny J | Dir | A - Grant | $0.00 | +2,152 | 17.4K | +14% | $0 | |
| 2025-05-19 | 2025-05-15 | MMSI | Perez Silvia | Dir | A - Grant | $0.00 | +2,152 | 4,583 | +89% | $0 | |
| 2025-05-19 | 2025-05-15 | MMSI | Floyd David | Dir | A - Grant | $0.00 | +2,152 | 11.0K | +24% | $0 | |
| 2025-05-19 | 2025-05-15 | MMSI | Evans Stephen C. | Dir | A - Grant | $0.00 | +2,152 | 6,809 | +46% | $0 | |
| D | 2025-05-19 | 2025-05-15 | MMSI | Millner F. Ann | Dir | A - Grant | $0.00 | +2,152 | 34.5K | +7% | $0 |
| D | 2025-05-19 | 2025-05-15 | MMSI | Millner F. Ann | Dir | M - OptEx | $52.17 | +21.2K | 55.8K | +62% | +$1.11M |
| D | 2025-05-19 | 2025-05-15 | MMSI | Millner F. Ann | Dir | S - Sale+OE | $96.47 | -21.2K | 34.5K | -38% | -$2.05M |
| 2025-05-19 | 2025-05-15 | MMSI | Kaiser Laura S. | Dir | A - Grant | $0.00 | +2,152 | 9,895 | +28% | $0 | |
| 2025-05-19 | 2025-05-15 | MMSI | MCDONNELL MICHAEL R | Dir | A - Grant | $0.00 | +2,152 | 9,895 | +28% | $0 | |
| 2025-05-19 | 2025-05-15 | MMSI | Gunderson Thomas James | Dir | A - Grant | $0.00 | +2,152 | 36.0K | +6% | $0 | |
| 2025-05-19 | 2025-05-15 | MMSI | Ward Lynne | Dir | A - Grant | $0.00 | +2,152 | 12.8K | +20% | $0 | |
| D | 2025-04-02 | 2025-04-01 | MMSI | Peterson Neil | COO | S - Sale+OE | $104.53 | -5,000 | 28.4K | -15% | -$522.6K |
| D | 2025-04-02 | 2025-04-01 | MMSI | Peterson Neil | COO | M - OptEx | $54.40 | +5,000 | 33.4K | +18% | +$272.0K |
| 2025-03-14 | 2025-03-13 | MMSI | Lloyd Brian G. | CLO, Sec | G - Gift | $0.00 | -4,700 | 34.2K | -12% | $0 | |
| D | 2025-03-06 | 2025-03-04 | MMSI | Lloyd Brian G. | CLO, Sec | G - Gift | $0.00 | -48 | 38.9K | -0.1% | $0 |
| D | 2025-03-06 | 2025-03-05 | MMSI | Lloyd Brian G. | CLO, Sec | M - OptEx | $55.73 | +30.0K | 68.9K | +77% | +$1.67M |
| D | 2025-03-06 | 2025-03-05 | MMSI | Lloyd Brian G. | CLO, Sec | S - Sale+OE | $102.90 | -30.0K | 38.9K | -44% | -$3.09M |
| MI | 2025-03-06 | 2025-03-05 | MMSI | LAMPROPOULOS FRED P | Pres, CEO, Dir | S - Sale | $103.75 | -3,000 | 10.3K | -23% | -$311.2K |
| M | 2025-03-06 | 2025-03-05 | MMSI | LAMPROPOULOS FRED P | Pres, CEO, Dir | S - Sale | $103.86 | -31.3K | 1.11M | -3% | -$3.25M |
| 2025-03-06 | 2025-03-04 | MMSI | Voigt Michel James | CHRO | G - Gift | $0.00 | -620 | 21.8K | -3% | $0 | |
| D | 2025-03-06 | 2025-03-05 | MMSI | Parra Raul Jr. | CFO AND Treas | S - Sale+OE | $103.58 | -5,361 | 24.2K | -18% | -$555.3K |
| D | 2025-03-06 | 2025-03-05 | MMSI | Parra Raul Jr. | CFO AND Treas | M - OptEx | $37.71 | +5,361 | 29.6K | +22% | +$202.2K |
| D | 2025-03-04 | 2025-03-03 | MMSI | Peterson Neil | COO | M - OptEx | $54.40 | +5,000 | 33.4K | +18% | +$272.0K |
| D | 2025-03-04 | 2025-03-03 | MMSI | Peterson Neil | COO | S - Sale+OE | $105.00 | -5,000 | 28.4K | -15% | -$525.0K |
| 2025-03-04 | 2025-03-03 | MMSI | Evans Stephen C. | Dir | S - Sale | $105.31 | -5,000 | 4,657 | -52% | -$526.5K | |
| M | 2025-03-03 | 2025-02-27+ | MMSI | Parra Raul Jr. | CFO AND Treas | A - Grant | $0.00 | +28.6K | 36.7K | +355% | $0 |
| 2025-03-03 | 2025-02-28 | MMSI | Parra Raul Jr. | CFO AND Treas | S - Sale | $98.81 | -12.5K | 24.2K | -34% | -$1.23M | |
| 2025-03-03 | 2025-02-27 | MMSI | Parra Raul Jr. | CFO AND Treas | F - Tax | $98.50 | -8,309 | 28.8K | -22% | -$818.4K | |
| D | 2025-03-03 | 2025-02-28 | MMSI | Voigt Michel James | CHRO | S - Sale+OE | $99.68 | -13.8K | 22.4K | -38% | -$1.38M |
| DM | 2025-03-03 | 2025-02-28 | MMSI | Voigt Michel James | CHRO | M - OptEx | $61.42 | +13.8K | 36.2K | +62% | +$848.1K |
| D | 2025-03-03 | 2025-02-27 | MMSI | Voigt Michel James | CHRO | F - Tax | $98.50 | -4,530 | 16.9K | -21% | -$446.2K |
| DM | 2025-03-03 | 2025-02-27+ | MMSI | Voigt Michel James | CHRO | A - Grant | $0.00 | +17.0K | 22.4K | +316% | $0 |
| M | 2025-03-03 | 2025-02-27+ | MMSI | Peterson Neil | COO | A - Grant | $0.00 | +17.8K | 28.4K | +169% | $0 |
| 2025-03-03 | 2025-02-27 | MMSI | Peterson Neil | COO | F - Tax | $98.50 | -4,255 | 22.1K | -16% | -$419.1K | |
| DM | 2025-03-03 | 2025-02-27+ | MMSI | Lloyd Brian G. | CLO, Sec | A - Grant | $0.00 | +18.6K | 39.0K | +91% | $0 |
| D | 2025-03-03 | 2025-02-27 | MMSI | Lloyd Brian G. | CLO, Sec | F - Tax | $98.50 | -4,198 | 31.9K | -12% | -$413.5K |
| D | 2025-03-03 | 2025-02-28 | MMSI | Lloyd Brian G. | CLO, Sec | S - Sale+OE | $99.50 | -25.0K | 39.0K | -39% | -$2.49M |
| D | 2025-03-03 | 2025-02-28 | MMSI | Lloyd Brian G. | CLO, Sec | M - OptEx | $44.80 | +25.0K | 64.0K | +64% | +$1.12M |
| D | 2025-03-03 | 2025-02-28 | MMSI | Gunderson Thomas James | Dir | M - OptEx | $50.50 | +25.0K | 46.7K | +115% | +$1.26M |
| D | 2025-03-03 | 2025-02-28 | MMSI | Gunderson Thomas James | Dir | F - Tax | $99.95 | -12.8K | 33.9K | -27% | -$1.28M |
| DM | 2025-03-03 | 2025-02-27+ | MMSI | LAMPROPOULOS FRED P | Pres, CEO, Dir | A - Grant | $0.00 | +51.1K | 1.11M | +5% | $0 |
Purchase Sale Sale after option exercise All abbreviations