The company
Merit Medical Systems, Inc.
MMSI · Nasdaq
MMSI stood above a rising 150-day average in 9 of the last 52 weekly readings, including each of the last 9 weeks. It is 20.5% above that average now. Medical Devices: 29% of its 181 stocks in an uptrend (−4 points in four weeks); Health Care: 28% (−6 points in four weeks).
Statistics
- Rotation
- Leading
- Weeks in an uptrend
- 9 in a row
- Industry in uptrend
- 29% -4 in 4 wk
- Insider buys, 12 months
- $1.1M
- Insider sales, 12 months
- $11.7M
- Officials’ trades on record
- 3
- Institutions holding
- 375 (+3)
In the rotation
Each square a week: lit when it closed above a rising 150-day average. 9 of 52 weeks.
Medical Devices: A minority of its stocks are in an uptrend and the share has been slipping. Health Care: A minority of its stocks are in an uptrend and the share has been slipping.
Money in and out
Open-market buys above the line and sales below, in dollars.
Congress and officials
3 disclosed lines: House 3, Senate 0, executive 0; 2 people.
| Who | Did | Amount | Traded |
|---|---|---|---|
| Lisa C. McClain House: U.S. House ClerkMI09 | soldspouse | $1k–$15k | 25 Sep 2025filed 22 Oct 2025 |
| Lisa C. McClain House: U.S. House ClerkMI09 | boughtspouse | $1k–$15k | 22 Jul 2025filed 13 Aug 2025 |
| Steve Chabot House: U.S. House ClerkOH01 | sold | $15k–$50k | 26 May 2015filed 25 Jun 2015 |
Insiders
| Who | Did | Shares | Traded |
|---|---|---|---|
| Neil W. PetersonCHIEF OPERATING OFFICER | sold | 7,500at $90.45 | 24 Aug 2026filed 25 Aug 2026 |
| Neil W. PetersonCHIEF OPERATING OFFICER | sold | 21,449at $85.00 | 4 Aug 2026filed 5 Aug 2026 |
| Christian Adam SmithChief Commercial Officer | bought | 1,626at $61.00 | 11 May 2026filed 13 May 2026 |
| Brian G. LloydCHIEF LEGAL OFFICER, SECRETARY | bought | 2,000at $62.63 | 7 May 2026filed 11 May 2026 |
| Lynne N. WardDirector | sold | 5,000at $62.61 | 7 May 2026filed 11 May 2026 |
| Martha Goldberg AronsonPresident and CEO | bought | 2,000at $60.44 | 6 May 2026filed 7 May 2026 |
| Raul Parra, Jr.CFO AND TREASURER | bought | 1,500at $61.01 | 6 May 2026filed 7 May 2026 |
| Michel J. VoigtCHIEF HUMAN RESOURCES OFFICER | bought | 2,250at $60.65 | 5 May 2026filed 7 May 2026 |
| Neil W. PetersonCHIEF OPERATING OFFICER | sold | 5,000at $90.00 | 6 Jan 2026filed 8 Jan 2026 |
Lines filed since 2 January 2026, newest first; every insider’s older lines are on their own page.
Institutions
Quarter to 30 Jun 2026, against 31 Mar 2026; newest filing 31 Aug 2026.
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc.added · filed 7 Aug 2026 | 9,464,542$656.3M | +630,227+7.1% |
| VANGUARD PORTFOLIO MANAGEMENT LLCreduced · filed 13 Aug 2026 | 3,473,833$240.9M | -49,255−1.4% |
| VANGUARD CAPITAL MANAGEMENT LLCreduced · filed 13 Aug 2026 | 2,590,454$179.6M | -65,709−2.5% |
| STATE STREET CORPadded · filed 7 Aug 2026 | 2,474,512$171.6M | +113,530+4.8% |
| Conestoga Capital Advisors, LLCreduced · filed 24 Jul 2026 | 1,979,790$137.3M | -187,723−8.7% |
| GEODE CAPITAL MANAGEMENT, LLCadded · filed 12 Aug 2026 | 1,625,950$112.8M | +117,576+7.8% |
| FULLER & THALER ASSET MANAGEMENT, INC.reduced · filed 12 Aug 2026 | 1,613,002$111.8M | -502,524−23.8% |
| DIMENSIONAL FUND ADVISORS LPadded · filed 11 Aug 2026 | 1,458,823$101.2M | +221,525+17.9% |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC.added · filed 14 Aug 2026 | 1,279,152$88.7M | +80,883+6.7% |
| CONGRESS ASSET MANAGEMENT COadded · filed 7 Jul 2026 | 1,184,337$82.1M | +155,088+15.1% |
News
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Everyone who traded it
Same industry
Government contracts
From its SEC filings
Analyst forecasts
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