MMSI
Merit Medical Systems, Inc.$86.14-0.88 (-1.01%)Prev Close$87.02·MCap$5.35B·P/E37.29·Vol277.4K·Yield—
▲
Buys (12M)
5
$573.3K
▼
Sells (12M)
8
$8.45M
◆
Net Activity
Net Seller
$7.88M
●
Active Insiders
8
last 12 mo
Over the past 12 months, insider activity at Merit Medical Systems, Inc. (MMSI) has been dominated by selling, with 5 insider purchases totaling $573.3K and 8 insider sales totaling $8.45M. The most recent insider transaction was by Peterson Neil W. (officer: CHIEF OPERATING OFFICER), who sold $678.4K worth of shares on Aug 25, 2026. Merit Medical Systems, Inc. operates in the Healthcare sector, within the Medical - Instruments & Supplies industry, with a market cap of $5.35B.
MMSI Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Aug 25, 2026 | Peterson Neil W. | officer: CHIEF OPERATING OFFICER | Sell | 7,500 | $90.45 | $678.4K | 18,051-29% |
| Aug 5, 2026 | Peterson Neil W. | officer: CHIEF OPERATING OFFICER | Sell | 21,449 | $85.00 | $1.82M | 25,551-46% |
| May 13, 2026 | Smith Christian Adam | officer: Chief Commercial Officer | Buy | 1,626 | $61.00 | $99.2K | 2,220+274% |
| May 11, 2026 | Ward Lynne N. | director | Sell | 5,000 | $62.61 | $313.0K | 7,809-39% |
| May 11, 2026 | Lloyd Brian G. | officer: CHIEF LEGAL OFFICER, SECRETARY | Buy | 2,000 | $62.63 | $125.3K | 2,000 |
| May 7, 2026 | Parra Raul Jr. | officer: CFO AND TREASURER | Buy | 1,500 | $61.01 | $91.5K | 58,843 |
| May 7, 2026 | Voigt Michel J. | officer: CHIEF HUMAN RESOURCES OFFICER | Buy | 2,250 | $60.65 | $136.5K | 2,265New Position |
| May 7, 2026 | Aronson Martha Goldberg | director, officer: President and CEO | Buy | 2,000 | $60.44 | $120.9K | 49,792 |
| Jan 6, 2026 | Peterson Neil W. | CHIEF OPERATING OFFICER | Sell | 5,000 | $90.00 | $450.0K | 0 |
| Nov 25, 2025 | Lampropoulos Fred P. | Executive Chairman | Sell | 10,000 | $88.04 | $880.4K | 0 |
| Nov 21, 2025 | Lampropoulos Fred P. | Executive Chairman | Sell | 25,000 | $87.31 | $2.18M | 0 |
| Nov 20, 2025 | Lampropoulos Fred P. | Executive Chairman | Sell | 20,000 | $85.13 | $1.70M | 0 |
| Nov 18, 2025 | Lampropoulos Fred P. | Executive Chairman | Sell | 5,000 | $84.83 | $424.1K | 0 |
| Aug 29, 2025 | Lampropoulos Fred P. | President and CEO | Sell | 126,278 | $90.54 | $11.43M | 0 |
| Aug 22, 2025 | Ward Lynne N. | Director | Sell | 3,000 | $88.56 | $265.7K | 0 |
| Aug 11, 2025 | Ward Lynne N. | Director | Sell | 2,433 | $84.89 | $206.5K | 0 |
| Jun 13, 2025 | Parra Raul Jr. | CFO AND TREASURER | Sell | 15,181 | $93.75 | $1.42M | 0 |
| Jun 10, 2025 | Lampropoulos Fred P. | President and CEO | Sell | 400 | $95.61 | $38.2K | 0 |
| Jun 5, 2025 | Lampropoulos Fred P. | President and CEO | Sell | 10,000 | $95.19 | $951.9K | 0 |
| May 30, 2025 | Floyd David | Director | Sell | 3,515 | $94.16 | $331.0K | 0 |
| May 30, 2025 | Lampropoulos Fred P. | President and CEO | Sell | 10,000 | $95.12 | $951.2K | 0 |
| May 30, 2025 | McDonnell Michael R. | Director | Sell | 3,500 | $94.41 | $330.4K | 0 |
| May 27, 2025 | LAMPROPOULOS FRED P | President and CEO | Sell | 20,000 | $96.54 | $1.93M | 0 |
| May 15, 2025 | Millner F. Ann | Director | Sell | 21,250 | $96.47 | $2.05M | 0 |
| Apr 1, 2025 | Peterson Neil | CHIEF OPERATING OFFICER | Sell | 5,000 | $104.53 | $522.6K | 0 |
| Mar 5, 2025 | LAMPROPOULOS FRED P | President and CEO | Sell | 34,320 | $103.85 | $3.56M | 0 |
| Mar 5, 2025 | Parra Raul Jr. | CFO AND TREASURER | Sell | 5,361 | $103.58 | $555.3K | 0 |
| Mar 4, 2025 | Lloyd Brian G. | CHIEF LEGAL OFFICER, SECRETARY | Sell | 30,000 | $102.90 | $3.09M | 0 |
| Mar 3, 2025 | Evans Stephen C. | Director | Sell | 5,000 | $105.31 | $526.5K | 0 |
| Mar 3, 2025 | Peterson Neil | CHIEF OPERATING OFFICER | Sell | 5,000 | $105.00 | $525.0K | 0 |
| Feb 28, 2025 | Gunderson Thomas James | Director | Sell | 12,806 | $99.95 | $1.28M | 0 |
| Feb 27, 2025 | LAMPROPOULOS FRED P | President and CEO | Sell | 42,038 | $100.90 | $4.24M | 0 |
| Feb 27, 2025 | Lloyd Brian G. | CHIEF LEGAL OFFICER, SECRETARY | Sell | 29,198 | $99.36 | $2.90M | 0 |
| Feb 27, 2025 | Parra Raul Jr. | CFO AND TREASURER | Sell | 20,760 | $98.69 | $2.05M | 0 |
| Feb 27, 2025 | Peterson Neil | CHIEF OPERATING OFFICER | Sell | 4,255 | $98.50 | $419.1K | 0 |
| Feb 27, 2025 | Voigt Michel James | CHIEF HUMAN RESOURCES OFFICER | Sell | 18,339 | $99.39 | $1.82M | 0 |
| Nov 18, 2024 | Millner F. Ann | Sell | 12,500 | $101.55 | $1.27M | 32,391-28% | |
| Nov 12, 2024 | Parra Raul Jr. | CFO AND TREASURER | Sell | 5,361 | $102.18 | $547.8K | 16,361 |
| Nov 7, 2024 | Parra Raul Jr. | CFO AND TREASURER | Sell | 29,646 | $98.02 | $2.91M | 16,361-64% |
| Nov 7, 2024 | Peterson Neil | CHIEF OPERATING OFFICER | Sell | 5,000 | $98.00 | $490.0K | 14,819-25% |
| Jul 2, 2024 | Millner F. Ann | Sell | 12,500 | $85.00 | $1.06M | 32,592-28% | |
| Jun 12, 2024 | Peterson Neil | CHIEF OPERATING OFFICER | Sell | 7,500 | $81.85 | $613.8K | 14,819-34% |
| Mar 13, 2024 | Parra Raul Jr. | CFO AND TREASURER | Sell | 6,480 | $73.95 | $479.2K | 18,186-26% |
| Mar 8, 2024 | Wright Joseph | CHIEF COMMERCIAL OFFICER | Sell | 25,000 | $75.68 | $1.89M | 42,223-37% |
| Mar 5, 2024 | Evans Stephen C. | Sell | 1,000 | $76.35 | $76.3K | 7,226 | |
| Mar 5, 2024 | Gunderson Thomas James | Sell | 18,157 | $76.03 | $1.38M | 19,257-49% | |
| Jan 24, 2024 | Millner F. Ann | Sell | 20,000 | $80.00 | $1.60M | 29,960-40% | |
| Aug 23, 2023 | Peterson Neil | CHIEF OPERATING OFFICER | Sell | 8,000 | $67.91 | $543.3K | 0Exit |
| Aug 11, 2023 | ANDERSON A SCOTT | Sell | 22,180 | $69.40 | $1.54M | 49,217-31% | |
| Mar 20, 2023 | Peterson Neil | CHIEF OPERATING OFFICER | Sell | 8,000 | $68.75 | $550.0K | 0Exit |
Showing 1–50 of 81
1 / 2
MMSI Insider Buying Activity
The following table shows recent insider purchases of Merit Medical Systems, Inc. (MMSI) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| May 13, 2026 | Smith Christian Adam | officer: Chief Commercial Officer | Buy | 1,626 | $61.00 | $99.2K | 2,220+274% |
| May 11, 2026 | Lloyd Brian G. | officer: CHIEF LEGAL OFFICER, SECRETARY | Buy | 2,000 | $62.63 | $125.3K | 2,000 |
| May 7, 2026 | Parra Raul Jr. | officer: CFO AND TREASURER | Buy | 1,500 | $61.01 | $91.5K | 58,843 |
| May 7, 2026 | Voigt Michel J. | officer: CHIEF HUMAN RESOURCES OFFICER | Buy | 2,250 | $60.65 | $136.5K | 2,265New Position |
| May 7, 2026 | Aronson Martha Goldberg | director, officer: President and CEO | Buy | 2,000 | $60.44 | $120.9K | 49,792 |
MMSI Insider Selling Activity
The following table shows recent insider sales of Merit Medical Systems, Inc. (MMSI) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Aug 25, 2026 | Peterson Neil W. | officer: CHIEF OPERATING OFFICER | Sell | 7,500 | $90.45 | $678.4K | 18,051-29% |
| Aug 5, 2026 | Peterson Neil W. | officer: CHIEF OPERATING OFFICER | Sell | 21,449 | $85.00 | $1.82M | 25,551-46% |
| May 11, 2026 | Ward Lynne N. | director | Sell | 5,000 | $62.61 | $313.0K | 7,809-39% |
| Jan 6, 2026 | Peterson Neil W. | CHIEF OPERATING OFFICER | Sell | 5,000 | $90.00 | $450.0K | 0 |
| Nov 25, 2025 | Lampropoulos Fred P. | Executive Chairman | Sell | 10,000 | $88.04 | $880.4K | 0 |
| Nov 21, 2025 | Lampropoulos Fred P. | Executive Chairman | Sell | 25,000 | $87.31 | $2.18M | 0 |
| Nov 20, 2025 | Lampropoulos Fred P. | Executive Chairman | Sell | 20,000 | $85.13 | $1.70M | 0 |
| Nov 18, 2025 | Lampropoulos Fred P. | Executive Chairman | Sell | 5,000 | $84.83 | $424.1K | 0 |
| Aug 29, 2025 | Lampropoulos Fred P. | President and CEO | Sell | 126,278 | $90.54 | $11.43M | 0 |
| Aug 22, 2025 | Ward Lynne N. | Director | Sell | 3,000 | $88.56 | $265.7K | 0 |
| Aug 11, 2025 | Ward Lynne N. | Director | Sell | 2,433 | $84.89 | $206.5K | 0 |
| Jun 13, 2025 | Parra Raul Jr. | CFO AND TREASURER | Sell | 15,181 | $93.75 | $1.42M | 0 |
| Jun 10, 2025 | Lampropoulos Fred P. | President and CEO | Sell | 400 | $95.61 | $38.2K | 0 |
| Jun 5, 2025 | Lampropoulos Fred P. | President and CEO | Sell | 10,000 | $95.19 | $951.9K | 0 |
| May 30, 2025 | Floyd David | Director | Sell | 3,515 | $94.16 | $331.0K | 0 |
| May 30, 2025 | Lampropoulos Fred P. | President and CEO | Sell | 10,000 | $95.12 | $951.2K | 0 |
| May 30, 2025 | McDonnell Michael R. | Director | Sell | 3,500 | $94.41 | $330.4K | 0 |
| May 27, 2025 | LAMPROPOULOS FRED P | President and CEO | Sell | 20,000 | $96.54 | $1.93M | 0 |
| May 15, 2025 | Millner F. Ann | Director | Sell | 21,250 | $96.47 | $2.05M | 0 |
| Apr 1, 2025 | Peterson Neil | CHIEF OPERATING OFFICER | Sell | 5,000 | $104.53 | $522.6K | 0 |
| Mar 5, 2025 | LAMPROPOULOS FRED P | President and CEO | Sell | 34,320 | $103.85 | $3.56M | 0 |
| Mar 5, 2025 | Parra Raul Jr. | CFO AND TREASURER | Sell | 5,361 | $103.58 | $555.3K | 0 |
| Mar 4, 2025 | Lloyd Brian G. | CHIEF LEGAL OFFICER, SECRETARY | Sell | 30,000 | $102.90 | $3.09M | 0 |
| Mar 3, 2025 | Evans Stephen C. | Director | Sell | 5,000 | $105.31 | $526.5K | 0 |
| Mar 3, 2025 | Peterson Neil | CHIEF OPERATING OFFICER | Sell | 5,000 | $105.00 | $525.0K | 0 |
| Feb 28, 2025 | Gunderson Thomas James | Director | Sell | 12,806 | $99.95 | $1.28M | 0 |
| Feb 27, 2025 | LAMPROPOULOS FRED P | President and CEO | Sell | 42,038 | $100.90 | $4.24M | 0 |
| Feb 27, 2025 | Lloyd Brian G. | CHIEF LEGAL OFFICER, SECRETARY | Sell | 29,198 | $99.36 | $2.90M | 0 |
| Feb 27, 2025 | Parra Raul Jr. | CFO AND TREASURER | Sell | 20,760 | $98.69 | $2.05M | 0 |
| Feb 27, 2025 | Peterson Neil | CHIEF OPERATING OFFICER | Sell | 4,255 | $98.50 | $419.1K | 0 |
| Feb 27, 2025 | Voigt Michel James | CHIEF HUMAN RESOURCES OFFICER | Sell | 18,339 | $99.39 | $1.82M | 0 |
| Nov 18, 2024 | Millner F. Ann | Sell | 12,500 | $101.55 | $1.27M | 32,391-28% | |
| Nov 12, 2024 | Parra Raul Jr. | CFO AND TREASURER | Sell | 5,361 | $102.18 | $547.8K | 16,361 |
| Nov 7, 2024 | Parra Raul Jr. | CFO AND TREASURER | Sell | 29,646 | $98.02 | $2.91M | 16,361-64% |
| Nov 7, 2024 | Peterson Neil | CHIEF OPERATING OFFICER | Sell | 5,000 | $98.00 | $490.0K | 14,819-25% |
| Jul 2, 2024 | Millner F. Ann | Sell | 12,500 | $85.00 | $1.06M | 32,592-28% | |
| Jun 12, 2024 | Peterson Neil | CHIEF OPERATING OFFICER | Sell | 7,500 | $81.85 | $613.8K | 14,819-34% |
| Mar 13, 2024 | Parra Raul Jr. | CFO AND TREASURER | Sell | 6,480 | $73.95 | $479.2K | 18,186-26% |
| Mar 8, 2024 | Wright Joseph | CHIEF COMMERCIAL OFFICER | Sell | 25,000 | $75.68 | $1.89M | 42,223-37% |
| Mar 5, 2024 | Evans Stephen C. | Sell | 1,000 | $76.35 | $76.3K | 7,226 | |
| Mar 5, 2024 | Gunderson Thomas James | Sell | 18,157 | $76.03 | $1.38M | 19,257-49% | |
| Jan 24, 2024 | Millner F. Ann | Sell | 20,000 | $80.00 | $1.60M | 29,960-40% | |
| Aug 23, 2023 | Peterson Neil | CHIEF OPERATING OFFICER | Sell | 8,000 | $67.91 | $543.3K | 0Exit |
| Aug 11, 2023 | ANDERSON A SCOTT | Sell | 22,180 | $69.40 | $1.54M | 49,217-31% | |
| Mar 20, 2023 | Peterson Neil | CHIEF OPERATING OFFICER | Sell | 8,000 | $68.75 | $550.0K | 0Exit |
MMSI Insiders
Lloyd Brian G.
officer: CHIEF LEGAL OFFICER, SECRETARY
Bought $125.3KSold $10.20M
7 tradesLast: May 11, 2026
Similar Stocks to MMSI
ISRG
Intuitive Surgical, Inc.
$377.14-0.20%
$124.79B
BDX
Becton, Dickinson and Company
$185.69+1.52%
$49.54B
RMD
ResMed Inc.
$230.54+3.39%
$31.91B
WST
West Pharmaceutical Services, Inc.
$362.89+2.17%
$24.37B
COO
The Cooper Companies, Inc.
$53.36-1.59%
$10.51B
RGEN
Repligen Corporation
$174.91+4.11%
$9.32B
ATR
AptarGroup, Inc.
$124.14-0.61%
$7.97B
NVST
Envista Holdings Corp
$24.84-3.74%
$4.44B