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MERIT MEDICAL SYSTEMS INC

MMSI Net selling
CIK 0000856982 #1308 in the set updated 17 Sep 2026
Bought (120 mo)
$887.65K
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$95.44M
$1.56M on a plan · $65.08M straight out of an exercise
Sold at will
$28.80M
39 of 144 sales
Net
−$94.55M
−$27.91M against sales at will

By person

30 insiders · 173 transactions
17.9×

Martha G. Aronson holds 17.9 times base salary in stock. $4.50M of shares against $251.39K in salary for 2025.

Salary from the company's own proxy. The shares are what Martha G. Aronson last reported holding, valued at $90.45, the price Common Stock, No Par Value was last bought or sold at on the open market here, on 24 Aug 2026.

Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Lampropoulos Fred P.
Director
$22.73M (21)
−$22.73M
1,028,235
$93.00M
+0.6%
Lloyd Brian G.
CHIEF LEGAL OFFICER, SECRETARY
$125.25K (1)
$9.79M (9) scheduled
−$9.66M
62,132
$5.62M
Parra Raul Jr.
CFO AND TREASURER
$155.90K (2)
$9.41M (18) scheduled
−$9.25M
61,831
$5.59M
+21,748%
Millner F. Ann Ed.D.
Director
$7.45M (10) scheduled
−$7.45M
38,000
$3.44M
+807.4%
Peterson Neil W.
CHIEF OPERATING OFFICER
$6.43M (10) scheduled
−$6.43M
18,051
$1.63M
Wright Joseph
CHIEF COMMERCIAL OFFICER
$5.49M (8) scheduled
−$5.49M
42,223
$3.82M
ANDERSON A SCOTT
Director
$5.22M (5) scheduled
−$5.22M
46,397
$4.20M
+511.5%
Frost Ronald
CHIEF OPERATING OFFICER
$200.00K (1)
$4.78M (7) scheduled
−$4.58M
15,144
$1.37M
Lampropoulos Justin J.
PRESIDENT, EMEA
$3.91M (4) scheduled
−$3.91M
2,343
$211.92K
Miller Franklin J
Director
$3.52M (9) scheduled
−$3.52M
34,900
$3.16M
+70.0%
STILLABOWER MICHAEL E
Director
$3.40M (4) scheduled
−$3.40M
107,868
$9.76M
+288.3%
EDELMAN RICHARD W
See Footnote (1)
$2.50M (4) scheduled
−$2.50M
6,000
$542.69K
0.0%
STANGER KENT W
Director
$2.32M (13)
−$2.32M
415,087
$37.54M
−1.8%
Ward Lynne N.
Director
$2.24M (5) scheduled
−$2.24M
11,266
$1.02M
+169.0%
Karras Nolan E.
Director
$1.41M (7) scheduled
−$1.41M
10,500
$949.70K
Gunderson Thomas J.
Director
$1.38M (1) scheduled
−$1.38M
60,741
$5.49M
+1,350%
Voigt Michel J.
CHIEF HUMAN RESOURCES OFFICER
$136.46K (1)
$1.51M (2) scheduled
−$1.38M
47,677
$4.31M
+317,747%
LIU DAVID MING-TEH
Director
$621.00K (1) scheduled
−$621.00K
0
$0.00
Evans Stephen C.
Director
$602.90K (2)
−$602.90K
10,266
$928.54K
McDonnell Michael R.
Director
$330.42K (2) scheduled
−$330.42K
9,852
$891.09K
Floyd David
Director
$49.97K (1)
$330.97K (1)
−$281.01K
15,913
$1.44M
+381.0%
Aronson Martha Goldberg
President and CEO
$120.88K (1)
+$120.88K
49,792
$4.50M
Smith Christian Adam
Chief Commercial Officer
$99.19K (1)
+$99.19K
32,554
$2.94M
+181.3%
Anderson Jill
Director
$60.89K (1)
−$60.89K
6,252
$565.48K
+49.3%
Carpenter Lonny J.
Director
31,346
$2.84M
+107.9%
Kaiser Laura S.
Director
13,352
$1.21M
Hogan James T.
Director
10,152
$918.23K
+142.4%
Lewis Sheri
EVP of Global Operations
8,371
$757.14K
Perez Silvia M.
Director
8,040
$727.20K
Ward Scott R.
Director
3,457
$312.68K

No percentages here. These insiders hold more than one class of share between them, and the share count on file covers one of them rather than all. Dividing the two would compare different things.

Insider
Date
Role
Action
Shares
Price
Amount
Peterson Neil W.
24 Aug 2026
CHIEF OPERATING OFFICER
Sell
7,500
$90.45
$678.36K
Peterson Neil W.
4 Aug 2026
CHIEF OPERATING OFFICER
Sell
21,449
$85.00
$1.82M
Ward Lynne N.
7 May 2026
Director
Sell
5,000
$62.61
$313.04K
Lampropoulos Fred P.
25 Nov 2025
Executive Chairman
Sell
10,000
$88.04
$880.38K
Lampropoulos Fred P.
21 Nov 2025
Executive Chairman
Sell
25,000
$87.31
$2.18M
Lampropoulos Fred P.
20 Nov 2025
Executive Chairman
Sell
20,000
$85.13
$1.70M
Lampropoulos Fred P.
18 Nov 2025
Executive Chairman
Sell
5,000
$84.83
$424.13K
Lampropoulos Fred P.
10 Jun 2025
President and CEO
Sell
400
$95.61
$38.24K
Lampropoulos Fred P.
5 Jun 2025
President and CEO
Sell
10,000
$95.19
$951.90K
Lampropoulos Fred P.
30 May 2025
President and CEO
Sell
10,000
$95.12
$951.20K
Floyd David
30 May 2025
Director
Sell indirect
3,515
$94.16
$330.97K
Lampropoulos Fred P.
27 May 2025
President and CEO
Sell
20,000
$96.54
$1.93M
Lampropoulos Fred P.
5 Mar 2025
President and CEO
Sell indirect
2,590
$103.75
$268.71K
Lampropoulos Fred P.
5 Mar 2025
President and CEO
Sell indirect
410
$103.75
$42.51K
Lampropoulos Fred P.
5 Mar 2025
President and CEO
Sell
20,000
$103.75
$2.08M
Lampropoulos Fred P.
5 Mar 2025
President and CEO
Sell
11,320
$104.05
$1.18M
Evans Stephen C.
3 Mar 2025
Director
Sell
5,000
$105.31
$526.55K
Parra Raul Jr.
12 Mar 2024
CFO AND TREASURER
Sell
6,179
$73.92
$456.75K
Parra Raul Jr.
12 Mar 2024
CFO AND TREASURER
Sell
301
$74.52
$22.43K
Evans Stephen C.
4 Mar 2024
Director
Sell
1,000
$76.35
$76.35K
Voigt Michel J.
14 Mar 2023
CHIEF HUMAN RESOURCES OFFICER
Sell
2,000
$68.31
$136.62K
Lampropoulos Fred P.
14 Mar 2023
PRESIDENT AND CEO
Sell
19,699
$68.43
$1.35M
Lampropoulos Fred P.
14 Mar 2023
PRESIDENT AND CEO
Sell
5,278
$67.66
$357.09K
Parra Raul Jr.
3 Mar 2023
CFO AND TREASURER
Sell
1,023
$70.00
$71.61K
Lampropoulos Fred P.
2 Mar 2023
PRESIDENT AND CEO
Sell
19,176
$69.86
$1.34M
Lampropoulos Fred P.
1 Mar 2023
PRESIDENT AND CEO
Sell
1,483
$70.17
$104.07K
Anderson Jill
10 Sep 2021
Director
Sell
850
$71.64
$60.89K
Frost Ronald
16 Mar 2021
CHIEF OPERATING OFFICER
Sell
5,000
$60.60
$303.00K
Lloyd Brian G.
15 Mar 2021
CHIEF LEGAL OFFICER, SECRETARY
Sell
2,115
$58.72
$124.19K
Lampropoulos Fred P.
12 Mar 2021
PRESIDENT AND CEO
Sell
4,947
$59.60
$294.84K
Lampropoulos Fred P.
6 Sep 2019
President & CEO
Sell indirect
11,817
$30.41
$359.39K
Lampropoulos Fred P.
6 Sep 2019
President & CEO
Sell
150,000
$30.72
$4.61M
Lampropoulos Fred P.
15 Aug 2019
President & CEO
Sell
40,000
$36.86
$1.47M
STANGER KENT W
29 Mar 2019
Director
Sell
12,228
$61.05
$746.51K
STANGER KENT W
28 Mar 2019
Director
Sell
2,883
$60.19
$173.52K
STANGER KENT W
27 Mar 2019
Director
Sell
901
$60.54
$54.55K
STANGER KENT W
26 Mar 2019
Director
Sell
1,216
$60.54
$73.62K
STANGER KENT W
9 Dec 2016
Director
Sell
8,000
$26.42
$211.33K
STANGER KENT W
8 Dec 2016
Director
Sell
4,000
$25.98
$103.92K

What was left out

Form 4 filings counted 311
Amendments (4/A) skipped 6
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 3
Sales straight out of an exercise 102
Sales at will 39
Transactions with no price 0
Shares from compensation/vesting 3,407,834
Sales filed before the plan box existed 19
History held since 1 Sep 2016