United States Healthcare Equipment & Supplies

Merit Medical Systems Inc (MMSI)

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Over the past 90 days, Merit Medical Systems Inc. saw 3 insider transactions, totaling approximately $99,186 in buys and $3,646,330 in sells. Recent activity includes a significant sale by the Chief Operating Officer in August. These transactions follow a period where the stock price rose 42.3% and the company reported positive results in its latest earnings report.
Ticker: MMSI Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Merit Medical Systems Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Trades
Sale 4 Aug 2026
Value US$1,434,572.31 | Price 421.82 | Shares 96,581 (-4.8%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-08-05 2026-08-04 S Sale
1.7
Peterson Neil W.

CHIEF OPERATING OFFICER

Officer
96,581 -4.8%
421.82
US$1,434,572 		96,581 -4.8% 421.82 US$1,434,572
2026-08-04 2026-08-04 PrS Proposed sale
1.7
NEIL W PETERSON

Officer

Officer
4,962
499.63
US$3,090,014 		4,962 499.63 US$3,090,014
2026-05-13 2026-05-11 B Purchase
Smith Christian Adam

Chief Commercial Officer

Officer
77,425 +21.2%
63.96
US$1,424,696 		77,425 +21.2% 63.96 US$1,424,696
2026-05-11 2026-05-07 S Sale
2.5
Ward Lynne N.
Non-Executive Director
5,000 -39.0%
62.61
US$313,035 		5,000 -39.0% 62.61 US$313,035
2026-05-11 2026-05-07 B Purchase
3.2
Lloyd Brian G.

CHIEF LEGAL OFFICER, SECRETARY

Officer
2,000 +inf%
62.63
US$125,250 		2,000 +inf% 62.63 US$125,250
2026-05-07 2026-05-07 PrS Proposed sale
2.5
LYNNE WARD

Director

Non-Executive Director
5,000
62.61
US$313,036 		5,000 62.61 US$313,036
2026-05-07 2026-05-06 B Purchase
3.5
Aronson Martha Goldberg

President and CEO

Executive Director
2,000 +4.2%
60.44
US$120,880 		2,000 +4.2% 60.44 US$120,880
2026-05-07 2026-05-06 B Purchase
3.3
Parra Raul Jr.

CFO AND TREASURER

Officer
1,500 +2.6%
61.01
US$91,515 		1,500 +2.6% 61.01 US$91,515
2026-05-07 2026-05-05 B Purchase
2.7
Voigt Michel J.

CHIEF HUMAN RESOURCES OFFICER

Officer
2,250 +15000.0%
60.65
US$136,462 		2,250 +15000.0% 60.65 US$136,462
2026-01-08 2026-01-06 PlS Planned sale
1.7
Peterson Neil W.

CHIEF OPERATING OFFICER

Officer
5,000 -15.0%
90.00
US$450,000 		5,000 -15.0% 90.00 US$450,000
2026-01-06 2026-01-06 PrS Proposed sale
1.7
NEIL W PETERSON

Officer

Officer
5,000
90.00
US$450,000 		5,000 90.00 US$450,000
2025-11-26 2025-11-25 S Sale
3.4
Lampropoulos Fred P.

Executive Chairman

Executive Director
10,000 -1.0%
88.04
US$880,377 		10,000 -1.0% 88.04 US$880,377
2025-11-25 2025-11-25 PrS Proposed sale
3.4
FRED LAMPROPOULOS

Director

Non-Executive Director
10,000
88.04
US$880,377 		10,000 88.04 US$880,377
2025-11-24 2025-11-21 S Sale
3.4
Lampropoulos Fred P.

Executive Chairman

Executive Director
25,000 -2.4%
87.31
US$2,182,750 		25,000 -2.4% 87.31 US$2,182,750
2025-11-21 2025-11-21 PrS Proposed sale
3.4
FRED LAMPROPOULOS

Director

Non-Executive Director
25,000
87.31
US$2,182,631 		25,000 87.31 US$2,182,631
2025-11-21 2025-11-20 S Sale
3.4
Lampropoulos Fred P.

Executive Chairman

Executive Director
20,000 -1.9%
85.13
US$1,702,650 		20,000 -1.9% 85.13 US$1,702,650
2025-11-20 2025-11-20 PrS Proposed sale
3.4
FRED LAMPROPOULOS

Director

Non-Executive Director
20,000
85.13
US$1,702,650 		20,000 85.13 US$1,702,650
2025-11-20 2025-11-18 S Sale
3.4
Lampropoulos Fred P.

Executive Chairman

Executive Director
5,000 -0.5%
84.83
US$424,130 		5,000 -0.5% 84.83 US$424,130
2025-11-18 2025-11-18 PrS Proposed sale
3.4
FRED LAMPROPOULOS

Director

Non-Executive Director
5,000
84.83
US$424,130 		5,000 84.83 US$424,130
2025-08-25 2025-08-22 S Sale
2.5
Ward Lynne N.
Non-Executive Director
3,000 -19.0%
88.56
US$265,680 		3,000 -19.0% 88.56 US$265,680
2025-08-22 2025-08-22 PrS Proposed sale
2.5
LYNNE WARD

Director

Non-Executive Director
3,000
88.56
US$265,683 		3,000 88.56 US$265,683
2025-08-12 2025-08-11 S Sale
2.5
Ward Lynne N.
Non-Executive Director
2,433 -16.0%
84.89
US$206,536 		2,433 -16.0% 84.89 US$206,536
2025-08-11 2025-08-11 PrS Proposed sale
2.5
LYNNE WARD

Director

Non-Executive Director
2,433
84.89
US$206,536 		2,433 84.89 US$206,536
2025-06-17 2025-06-13 S Sale
3.3
Parra Raul Jr.

CFO AND TREASURER

Officer
15,181 -38.5%
93.75
US$1,423,219 		15,181 -38.5% 93.75 US$1,423,219
2025-06-13 2025-06-13 PrS Proposed sale
3.3
RAUL PARRA

Officer

Officer
15,181
93.75
US$1,423,219 		15,181 93.75 US$1,423,219
2025-06-12 2025-06-10 S Sale
3.4
Lampropoulos Fred P.

President and CEO

Executive Director
400 -0.0%
95.61
US$38,244 		400 -0.0% 95.61 US$38,244
2025-06-10 2025-06-10 PrS Proposed sale
3.4
FRED LAMPROPOULOS

Officer

Officer
400
95.61
US$38,244 		400 95.61 US$38,244
2025-06-09 2025-06-05 S Sale
3.4
Lampropoulos Fred P.

President and CEO

Executive Director
10,000 -0.9%
95.19
US$951,900 		10,000 -0.9% 95.19 US$951,900
2025-06-05 2025-06-05 PrS Proposed sale
3.4
FRED LAMPROPOULOS

Officer

Officer
10,000
95.19
US$951,940 		10,000 95.19 US$951,940
2025-06-03 2025-06-02 PlS Planned sale
McDonnell Michael R.
Non-Executive Director
1,750 -21.5%
94.51
US$165,392 		1,750 -21.5% 94.51 US$165,392
2025-06-02 2025-06-02 PrS Proposed sale
MICHAEL R MCDONNELL

Director

Non-Executive Director
1,750
94.51
US$165,392 		1,750 94.51 US$165,392
2025-06-03 2025-05-30 PlS Planned sale
2.8
Floyd David
Non-Executive Director
3,515 -41.9%
94.16
US$330,972 		3,515 -41.9% 94.16 US$330,972
2025-06-03 2025-05-30 PlS Planned sale
McDonnell Michael R.
Non-Executive Director
1,750 -17.7%
94.30
US$165,025 		1,750 -17.7% 94.30 US$165,025
2025-06-03 2025-05-30 S Sale
3.4
Lampropoulos Fred P.

President and CEO

Executive Director
10,000 -0.9%
95.12
US$951,200 		10,000 -0.9% 95.12 US$951,200
2025-05-30 2025-05-30 PrS Proposed sale
MICHAEL R MCDONNELL

Director

Non-Executive Director
1,750
94.30
US$165,025 		1,750 94.30 US$165,025
2025-05-30 2025-05-30 PrS Proposed sale
3.4
FRED LAMPROPOULOS

Officer

Officer
10,000
95.12
US$951,175 		10,000 95.12 US$951,175
2025-05-30 2025-05-30 PrS Proposed sale
2.8
Floyd David

Director

Non-Executive Director
5,021
96.79
US$485,966 		5,021 96.79 US$485,966
2025-05-29 2025-05-27 S Sale
3.4
LAMPROPOULOS FRED P

President and CEO

Executive Director
20,000 -1.8%
96.54
US$1,930,800 		20,000 -1.8% 96.54 US$1,930,800
2025-05-27 2025-05-27 PrS Proposed sale
3.4
FRED LAMPROPOULOS

Officer

Officer
20,000
96.54
US$1,930,806 		20,000 96.54 US$1,930,806
2025-05-19 2025-05-15 PlS Planned sale
2.9
Millner F. Ann
Non-Executive Director
21,250 -38.1%
96.47
US$2,049,988 		21,250 -38.1% 96.47 US$2,049,988
2025-05-15 2025-05-15 PrS Proposed sale
2.9
F ANN MILLNER

Director

Non-Executive Director
21,250
96.47
US$2,050,083 		21,250 96.47 US$2,050,083
2025-04-02 2025-04-01 PlS Planned sale
1.7
Peterson Neil

CHIEF OPERATING OFFICER

Officer
5,000 -15.0%
104.53
US$522,650 		5,000 -15.0% 104.53 US$522,650
2025-04-01 2025-04-01 PrS Proposed sale
1.7
NEIL W PETERSON

Officer

Officer
5,000
104.53
US$522,668 		5,000 104.53 US$522,668
2025-03-25 2025-03-25 PrS Proposed sale
2.8
Wright Joseph

Officer

Officer
10,000
105.00
US$1,050,000 		10,000 105.00 US$1,050,000
2025-03-06 2025-03-05 S Sale
3.4
LAMPROPOULOS FRED P

President and CEO

Executive Director
2,590 -25.1%
103.75
US$268,713 		2,590 -25.1% 103.75 US$268,713
2025-03-06 2025-03-05 S Sale
3.4
LAMPROPOULOS FRED P

President and CEO

Executive Director
410 -3.8%
103.75
US$42,511 		410 -3.8% 103.75 US$42,511
2025-03-06 2025-03-05 S Sale
3.4
LAMPROPOULOS FRED P

President and CEO

Executive Director
20,000 -1.8%
103.75
US$2,075,000 		20,000 -1.8% 103.75 US$2,075,000
2025-03-06 2025-03-05 S Sale
3.4
LAMPROPOULOS FRED P

President and CEO

Executive Director
11,320 -1.0%
104.05
US$1,177,846 		11,320 -1.0% 104.05 US$1,177,846
2025-03-06 2025-03-05 S Sale
3.3
Parra Raul Jr.

CFO AND TREASURER

Officer
5,361 -18.1%
103.58
US$555,292 		5,361 -18.1% 103.58 US$555,292
2025-03-06 2025-03-05 S Sale
3.2
Lloyd Brian G.

CHIEF LEGAL OFFICER, SECRETARY

Officer
30,000 -43.5%
102.90
US$3,087,000 		30,000 -43.5% 102.90 US$3,087,000
2025-03-05 2025-03-05 PrS Proposed sale
3.4
LAMPROPOULOS FRED P

Officer

Officer
34,320
103.85
US$3,564,207 		34,320 103.85 US$3,564,207
2025-03-05 2025-03-05 PrS Proposed sale
3.3
Parra Raul Jr.

Officer

Officer
5,361
103.00
US$552,183 		5,361 103.00 US$552,183
2025-03-05 2025-03-05 PrS Proposed sale
3.2
Lloyd Brian G.

Officer

Officer
30,000
102.04
US$3,061,200 		30,000 102.04 US$3,061,200
2025-03-04 2025-03-03 S Sale
3.3
Evans Stephen C.
Non-Executive Director
5,000 -51.8%
105.31
US$526,550 		5,000 -51.8% 105.31 US$526,550
2025-03-04 2025-03-03 PlS Planned sale
1.7
Peterson Neil

CHIEF OPERATING OFFICER

Officer
5,000 -15.0%
105.00
US$525,000 		5,000 -15.0% 105.00 US$525,000
2025-03-03 2025-03-03 PrS Proposed sale
3.3
Evans Stephen C.

Director

Non-Executive Director
5,000
105.00
US$525,000 		5,000 105.00 US$525,000
2025-03-03 2025-03-03 PrS Proposed sale
1.7
NEIL W PETERSON

Officer

Officer
5,000
105.00
US$525,000 		5,000 105.00 US$525,000
2025-03-03 2025-02-28 S Sale
3.3
Parra Raul Jr.

CFO AND TREASURER

Officer
12,451 -34.0%
98.81
US$1,230,283 		12,451 -34.0% 98.81 US$1,230,283
2025-03-03 2025-02-28 S Sale
2.7
Voigt Michel James

CHIEF HUMAN RESOURCES OFFICER

Officer
13,809 -38.1%
99.68
US$1,376,481 		13,809 -38.1% 99.68 US$1,376,481
2025-03-03 2025-02-28 S Sale
3.2
Lloyd Brian G.

CHIEF LEGAL OFFICER, SECRETARY

Officer
25,000 -39.1%
99.50
US$2,487,500 		25,000 -39.1% 99.50 US$2,487,500
2025-02-28 2025-02-28 PrS Proposed sale
1.5
Gunderson Thomas James

Director

Non-Executive Director
12,806
98.60
US$1,262,672 		12,806 98.60 US$1,262,672
2025-02-28 2025-02-28 PrS Proposed sale
2.7
Voigt Michel James

Officer

Officer
17,869
102.03
US$1,823,174 		17,869 102.03 US$1,823,174
2025-02-28 2025-02-28 PrS Proposed sale
3.2
Lloyd Brian G.

Officer

Officer
25,000
98.50
US$2,462,500 		25,000 98.50 US$2,462,500
2025-02-28 2025-02-28 PrS Proposed sale
3.3
RAUL PARRA

Officer

Officer
12,451
98.81
US$1,230,307 		12,451 98.81 US$1,230,307
2025-01-14 2025-01-14 PrS Proposed sale
2.8
Wright Joseph

Officer

Officer
25,000
100.00
US$2,500,000 		25,000 100.00 US$2,500,000
2024-11-18 2024-11-15 PlS Planned sale
2.9
Millner F. Ann
Non-Executive Director
12,500 -27.8%
101.55
US$1,269,375 		12,500 -27.8% 101.55 US$1,269,375
2024-11-15 2024-11-15 PrS Proposed sale
2.9
F ANN MILLNER

Director

Non-Executive Director
12,500
101.55
US$1,269,432 		12,500 101.55 US$1,269,432
2024-11-12 2024-11-07 S Sale
3.3
Parra Raul Jr.

CFO AND TREASURER

Officer
5,361 -24.7%
102.18
US$547,787 		5,361 -24.7% 102.18 US$547,787
2024-11-07 2024-11-07 PrS Proposed sale
3.3
Parra Raul Jr.

Officer

Officer
5,361
102.18
US$547,781 		5,361 102.18 US$547,781
2024-11-07 2024-11-05 S Sale
1.7
Peterson Neil

CHIEF OPERATING OFFICER

Officer
5,000 -25.2%
98.00
US$490,000 		5,000 -25.2% 98.00 US$490,000
2024-11-07 2024-11-05 S Sale
3.3
Parra Raul Jr.

CFO AND TREASURER

Officer
29,646 -64.4%
98.02
US$2,905,901 		29,646 -64.4% 98.02 US$2,905,901
2024-11-05 2024-11-05 PrS Proposed sale
1.7
Peterson Neil

Officer

Officer
5,000
98.00
US$490,013 		5,000 98.00 US$490,013
2024-11-05 2024-11-05 PrS Proposed sale
3.3
Parra Raul Jr.

Officer

Officer
29,646
99.00
US$2,934,954 		29,646 99.00 US$2,934,954
2024-07-02 2024-06-28 PlS Planned sale
2.9
Millner F. Ann
Non-Executive Director
201 -0.6%
85.00
US$17,085 		201 -0.6% 85.00 US$17,085
2024-07-02 2024-06-28 PlS Planned sale
2.9
Millner F. Ann
Non-Executive Director
12,299 -27.4%
85.00
US$1,045,415 		12,299 -27.4% 85.00 US$1,045,415
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