Merit Medical Systems Inc (MMSI) Insider Ownership

Historic Insider Ownership Trends

As of May 23, 2026, the three largest insider holders of MMSI are Fred P. Lampropoulos (Executive Chairman, 1.02Mn shares), Brian G. Lloyd (Chief Legal Officer, Secretary, 62.13K shares), Raul Jr. Parra (Cfo And Treasurer, 57.34K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Fred P. Lampropoulos Executive Chairman 1,019,955 0 26 Nov, 2025
Michael R. Mcdonnell - 6,395 0 03 Jun, 2025
A Scott Anderson - 46,397 0 14 Aug, 2023
Martha Goldberg Aronson President And Ceo 47,792 0 02 Mar, 2026
Lonny J Carpenter - 17,367 0 19 May, 2025
David Floyd - 11,033 0 19 May, 2025
Ronald Frost Chief Operating Officer 15,144 0 12 Aug, 2022
Joseph Wright Chief Commercial Officer 42,223 0 08 Mar, 2024
F. Ann Millner - 34,543 0 19 May, 2025
Brian G. Lloyd Chief Legal Officer, Secretary 62,132 0 02 Mar, 2026
Thomas James Gunderson - 36,034 0 19 May, 2025
Laura S. Kaiser - 9,895 0 19 May, 2025
Raul Jr. Parra Cfo And Treasurer 57,343 0 02 Mar, 2026
Jill Anderson - 6,252 0 13 Sep, 2021
Lynne N. Ward - 12,809 0 25 Aug, 2025
James T. Hogan - 10,152 0 26 May, 2022
Michel J. Voigt Chief Human Resources Officer 46,127 0 02 Mar, 2026
Stephen C. Evans - 6,809 0 19 May, 2025
Neil W. Peterson Chief Operating Officer 47,000 0 02 Mar, 2026
Silvia Perez - 4,583 0 19 May, 2025
Christian Adam Smith Chief Commercial Officer 30,334 0 02 Mar, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
26 Feb, 2026 Martha Goldberg Aronson Common Stock, No Par Value A 28,198 $0.00 47,792 D A
26 Feb, 2026 Neil W. Peterson Common Stock, No Par Value A 7,690 $0.00 36,059 D A
26 Feb, 2026 Brian G. Lloyd Common Stock, No Par Value A 10,254 $0.00 44,499 D A
26 Feb, 2026 Neil W. Peterson Common Stock, No Par Value A 7,690 $0.00 36,059 D A
26 Feb, 2026 Neil W. Peterson Common Stock, No Par Value A 17,002 $0.00 53,061 D A
26 Feb, 2026 Christian Adam Smith Common Stock, No Par Value A 8,203 $0.00 19,181 D A
26 Feb, 2026 Raul Jr. Parra Common Stock, No Par Value A 12,305 $0.00 36,506 D A
26 Feb, 2026 Neil W. Peterson Common Stock, No Par Value A 17,002 $0.00 53,061 D A
26 Feb, 2026 Brian G. Lloyd Common Stock, No Par Value A 6,409 $0.00 50,908 D A
26 Feb, 2026 Michel J. Voigt Common Stock, No Par Value A 7,690 $0.00 29,414 D A
26 Feb, 2026 Raul Jr. Parra Common Stock, No Par Value A 12,305 $0.00 36,506 D A
26 Feb, 2026 Michel J. Voigt Common Stock, No Par Value A 7,690 $0.00 29,414 D A
26 Feb, 2026 Christian Adam Smith Common Stock, No Par Value A 8,203 $0.00 19,181 D A
26 Feb, 2026 Neil W. Peterson Common Stock, No Par Value D 6,061 $78.02 47,000 D F
26 Feb, 2026 Christian Adam Smith Common Stock, No Par Value A 6,409 $0.00 25,590 D A
26 Feb, 2026 Michel J. Voigt Common Stock, No Par Value A 6,409 $0.00 35,823 D A
26 Feb, 2026 Neil W. Peterson Common Stock, No Par Value D 6,061 $78.02 47,000 D F
26 Feb, 2026 Raul Jr. Parra Common Stock, No Par Value A 9,613 $0.00 46,119 D A
26 Feb, 2026 Christian Adam Smith Common Stock, No Par Value A 6,409 $0.00 25,590 D A
26 Feb, 2026 Raul Jr. Parra Common Stock, No Par Value A 9,613 $0.00 46,119 D A