SEC Form 4 · Updated Daily
MMSI
— MERIT MEDICAL SYSTEMS, INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Lampropoulos Fred P. | Director · Officer | 1,019,955 | 2025-11-25 | S |
| Gunderson Thomas J. | Director | 60,741 | 2026-05-20 | M |
| Lloyd Brian G. | Officer | 60,132 | 2026-06-05 | G |
| Parra Raul Jr. | Officer | 58,843 | 2026-05-06 | P |
| Aronson Martha Goldberg | Director | 49,792 | 2026-05-06 | P |
| Voigt Michel J. | Officer | 45,412 | 2026-08-24 | G |
| Millner F. Ann Ed.D. | Director | 38,000 | 2026-05-18 | A |
| Carpenter Lonny J. | Director | 20,824 | 2026-05-18 | A |
| Peterson Neil W. | Officer | 18,051 | 2026-08-24 | S |
| Kaiser Laura S. | Director | 13,352 | 2026-05-18 | A |
| Ward Lynne N. | Director | 11,266 | 2026-05-18 | A |
| Evans Stephen C. | Director | 10,266 | 2026-05-18 | A |
| McDonnell Michael R. | Director | 9,852 | 2026-05-18 | A |
| Lewis Sheri | Officer | 8,371 | 2026-09-04 | A |
| Perez Silvia M. | Director | 8,040 | 2026-05-18 | A |
| Ward Scott R. | Director | 3,457 | 2026-05-18 | A |
| Smith Christian Adam | Officer | 2,220 | 2026-05-11 | P |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-04 | Lewis Sheri | Grant / award | 8,371 | $0.00 | 8,371 |
| 2026-08-24 | Voigt Michel J. | Gift | 650 | $0.00 | 45,412 |
| 2026-08-24 | Peterson Neil W. | Open-market sale | 7,500 | $90.45 | 18,051 |
| 2026-08-04 | Peterson Neil W. | Open-market sale | 21,449 | $85.00 | 25,551 |
| 2026-06-15 | Voigt Michel J. | Gift | 65 | $0.00 | 46,062 |
| 2026-06-05 | Lloyd Brian G. | Gift | 2,000 | $0.00 | 60,132 |
| 2026-05-20 | Gunderson Thomas J. | Option exercise (derivative) | 13,750 | $0.00 | 0 |
| 2026-05-20 | Gunderson Thomas J. | Option exercise | 7,500 | $52.17 | 60,741 |
| 2026-05-20 | Gunderson Thomas J. | Option exercise | 13,750 | $52.17 | 53,241 |
| 2026-05-18 | Millner F. Ann Ed.D. | Grant / award | 3,457 | $0.00 | 38,000 |
| 2026-05-18 | McDonnell Michael R. | Grant / award | 3,457 | $0.00 | 9,852 |
| 2026-05-18 | Carpenter Lonny J. | Grant / award | 3,457 | $0.00 | 20,824 |
| 2026-05-18 | Perez Silvia M. | Grant / award | 3,457 | $0.00 | 8,040 |
| 2026-05-18 | Kaiser Laura S. | Grant / award | 3,457 | $0.00 | 13,352 |
| 2026-05-18 | Evans Stephen C. | Grant / award | 3,457 | $0.00 | 10,266 |
| 2026-05-18 | Gunderson Thomas J. | Grant / award | 3,457 | $0.00 | 39,491 |
| 2026-05-18 | Ward Scott R. | Grant / award | 3,457 | $0.00 | 3,457 |
| 2026-05-18 | Ward Lynne N. | Grant / award | 3,457 | $0.00 | 11,266 |
| 2026-05-11 | Smith Christian Adam | Open-market buy | 1,626 | $61.00 | 2,220 |
| 2026-05-07 | Lloyd Brian G. | Open-market buy | 2,000 | $62.63 | 2,000 |
| 2026-05-07 | Ward Lynne N. | Open-market sale | 5,000 | $62.61 | 7,809 |
| 2026-05-06 | Parra Raul Jr. | Open-market buy | 1,500 | $61.01 | 58,843 |
| 2026-05-06 | Aronson Martha Goldberg | Open-market buy | 2,000 | $60.44 | 49,792 |
| 2026-05-05 | Voigt Michel J. | Open-market buy | 2,250 | $60.65 | 2,265 |
| 2026-02-26 | Parra Raul Jr. | Tax withholding | 5,778 | $78.02 | 57,343 |
| 2026-02-26 | Parra Raul Jr. | Grant / award | 17,002 | $0.00 | 63,121 |
| 2026-02-26 | Parra Raul Jr. | Grant / award | 9,613 | $0.00 | 46,119 |
| 2026-02-26 | Parra Raul Jr. | Grant / award | 12,305 | $0.00 | 36,506 |
| 2026-02-26 | Smith Christian Adam | Tax withholding | 2,018 | $78.02 | 30,334 |
| 2026-02-26 | Smith Christian Adam | Grant / award | 6,762 | $0.00 | 32,352 |
| 2026-02-26 | Smith Christian Adam | Grant / award | 6,409 | $0.00 | 25,590 |
| 2026-02-26 | Smith Christian Adam | Grant / award | 8,203 | $0.00 | 19,181 |
| 2026-02-26 | Voigt Michel J. | Tax withholding | 6,698 | $78.02 | 46,127 |
| 2026-02-26 | Voigt Michel J. | Grant / award | 17,002 | $0.00 | 52,825 |
| 2026-02-26 | Voigt Michel J. | Grant / award | 6,409 | $0.00 | 35,823 |
| 2026-02-26 | Voigt Michel J. | Grant / award | 7,690 | $0.00 | 29,414 |
| 2026-02-26 | Aronson Martha Goldberg | Grant / award | 28,198 | $0.00 | 47,792 |
| 2026-02-26 | Peterson Neil W. | Tax withholding | 6,061 | $78.02 | 47,000 |
| 2026-02-26 | Peterson Neil W. | Grant / award | 17,002 | $0.00 | 53,061 |
| 2026-02-26 | Peterson Neil W. | Grant / award | 7,690 | $0.00 | 36,059 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.