Merit Medical Systems Inc
MMSI- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0000856982
In the last 90 days, Merit Medical Systems Inc insiders filed 0 open-market purchases and 2 sales; 405 institutions reported holding it in 13F filings for Q2 2026, worth $4.34B in total; Maverick Capital is the only superinvestor holding it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Merit Medical Systems Inc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 2 filings
- 1 insider, $2.50M in total
- Insiders trading
- 1
- Net value
- −$2.50M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Merit Medical Systems Inc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Lewis Sheri | EVP of Global Operations | 8,371 | Sep 9, 2026 | 1 |
| Peterson Neil | CHIEF OPERATING OFFICER | 18,051 | Aug 25, 2026 | 4 |
| Voigt Michel James | CHIEF HUMAN RESOURCES OFFICER | 45,412 | Aug 25, 2026 | 4 |
| Lloyd Brian G. | CHIEF LEGAL OFFICER, SECRETARY | 60,132 | Jun 8, 2026 | 3 |
| Gunderson Thomas James | Director | 60,741 | May 21, 2026 | 2 |
| McDonnell Michael R | Director | 9,852 | May 19, 2026 | 1 |
| Ward Scott R. | Director | 3,457 | May 19, 2026 | 1 |
| Carpenter Lonny J | Director | 20,824 | May 19, 2026 | 1 |
| Millner F. Ann | Director | 38,000 | May 19, 2026 | 1 |
| Kaiser Laura S. | Director | 13,352 | May 19, 2026 | 1 |
| Ward Lynne | Director | 11,266 | May 19, 2026 | 2 |
| Evans Stephen C. | Director | 10,266 | May 19, 2026 | 1 |
| Perez Silvia | Director | 8,040 | May 19, 2026 | 1 |
| Smith Christian Adam | Chief Commercial Officer | 2,220Indirect | May 13, 2026 | 2 |
| Aronson Martha Goldberg | President and CEO | 49,792 | May 7, 2026 | 3 |
| Parra Raul Jr. | CFO AND TREASURER | 58,843 | May 7, 2026 | 2 |
| Lampropoulos Fred P | Director | 1,019,955 | Apr 2, 2026 | 5 |
| Floyd David | Director | 4,880Indirect | Jun 3, 2025 | 0 |
| Wright Joseph | CHIEF COMMERCIAL OFFICER | 42,223 | Mar 8, 2024 | 0 |
| Anderson A Scott | Director | 46,397 | Aug 14, 2023 | 0 |
| Frost Ronald | CHIEF OPERATING OFFICER | 15,144 | Aug 12, 2022 | 0 |
| Hogan James T. | Director | 10,152 | May 26, 2022 | 0 |
| Anderson Jill | Director | 6,252 | Sep 13, 2021 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 12, 2025 (view filing) | Aug 11 | 1 day | Ward LynneDirector | SSaleCommon Stock, No Par Value | −2.43K | $84.89 | −$206.5K | −16.0%12.8K after | |
| Aug 25, 2025 (view filing) | Aug 22 | 3 days | Ward LynneDirector | SSaleCommon Stock, No Par Value | −3.00K | $88.56 | −$265.7K | −19.0%12.8K after | |
| Nov 20, 2025 (view filing) | Nov 18 | 2 days | Lampropoulos Fred PExecutive Chairman | SSaleCommon Stock, No Par Value | −5.00K | $84.83 | −$424.1K | −0.5%1.07M after | |
| Nov 21, 2025 (view filing) | Nov 20 | 1 day | Lampropoulos Fred PExecutive Chairman | SSaleCommon Stock, No Par Value | −20.0K | $85.13 | −$1.70M | −1.9%1.05M after | |
| Nov 24, 2025 (view filing) | Nov 21 | 3 days | Lampropoulos Fred PExecutive Chairman | SSaleCommon Stock, No Par Value | −25.0K | $87.31 | −$2.18M | −2.4%1.03M after | |
| Nov 26, 2025 (view filing) | Nov 25 | 1 day | Lampropoulos Fred PExecutive Chairman | SSaleCommon Stock, No Par Value | −10.0K | $88.04 | −$880.4K | −1.0%1.02M after | |
| Jan 8, 2026 (view filing) | Jan 6 | 2 days | Peterson NeilCHIEF OPERATING OFFICER | SSaleCommon Stock, No Par Value | −5.00K | $90.00 | −$450.0K | −15.0%28.4K after | 10b5-1 |
| May 7, 2026 (view filing) | May 6 | 1 day | Aronson Martha GoldbergPresident and CEO | PPurchaseCommon Stock, No Par Value | +2.00K | $60.44 | +$120.9K | +4.2%49.8K after | |
| May 7, 2026 (view filing) | May 6 | 1 day | Parra Raul Jr.CFO AND TREASURER | PPurchaseCommon Stock, No Par Value | +1.50K | $61.01 | +$91.5K | +2.6%58.8K after | |
| May 7, 2026 (view filing) | May 5 | 2 days | Voigt Michel JamesCHIEF HUMAN RESOURCES OFFICER | PPurchaseCommon Stock, No Par Value | +2.25K | $60.65 | +$136.5K | +15,000.0%2.27K after | |
| May 11, 2026 (view filing) | May 7 | 4 days | Lloyd Brian G.CHIEF LEGAL OFFICER, SECRETARY | PPurchaseCommon Stock, No Par Value | +2.00K | $62.63 | +$125.3K | New position2.00K after | |
| May 11, 2026 (view filing) | May 7 | 4 days | Ward LynneDirector | SSaleCommon Stock, No Par Value | −5.00K | $62.61 | −$313.1K | −39.0%7.81K after | |
| May 13, 2026 (view filing) | May 11 | 2 days | Smith Christian AdamChief Commercial Officer | PPurchaseCommon Stock, No Par Value | +1.63K | $61.00 | +$99.2K | +273.7%2.22K after | |
| Aug 5, 2026 (view filing)1:22 PM ET | Aug 4 | 1 day | Peterson NeilCHIEF OPERATING OFFICER | SSaleCommon Stock, No Par Value | −21.4K | $85.00 | −$1.82M | −45.6%25.6K after | |
| Aug 25, 2026 (view filing)4:43 PM ET | Aug 24 | 1 day | Peterson NeilCHIEF OPERATING OFFICER | SSaleCommon Stock, No Par Value | −7.50K | $90.45 | −$678.4K | −29.4%18.1K after |