MERIT MEDICAL SYSTEMS (MMSI) stock: insider trades, news & valuation
Strong buyingShare price and insider trades
MERIT MEDICAL SYSTEMS insider trading at a glance (Oct 9, 2026): in the past 12 months, 5 insiders bought $573K and 3 sold $8.5M of MMSI stock on the open market, including a cluster buy that began May 5, 2026.
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MMSI insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | — | 0 | $2.5M | 2 |
| Q2 2026 | $573K | 5 | $313K | 1 |
| Q1 2026 | — | 0 | $450K | 1 |
| Q4 2025 | — | 0 | $5.2M | 4 |
Valuation, profit and volume
Summary
Over the past 12 months, 5 MERIT MEDICAL SYSTEMS INC insiders reported open-market purchases totaling $573K, while 3 insiders reported sales totaling $8.5M. The most recent cluster buy began on May 5, 2026, when 5 insiders bought a combined $573K. 1 of 8 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Aug 25SEC | Neil W. PetersonCOO | Sell | 7,50018,051 held (−29%) | $90.45 | $678K | -3.6% | — |
| Aug 5SEC | Neil W. PetersonCOO | Sell | 21,44925,551 held (−46%) | $85.00 | $1.8M | +2.6% | — |
| May 13SEC | Christian Adam SmithChief Commercial Officer | Buy | 1,6262,220 held (+274%) | $61.00 | $99K | +43.0% | — |
| May 11SEC | Lynne N. WardDirector | Sell | 5,0007,809 held (−39%) | $62.61 | $313K | +39.3% | — |
| May 11SEC | Brian G. LloydGeneral Counsel | Buy | 2,000new position | $62.63 | $125K | +39.2% | — |
| May 7SEC | Michel J. VoigtChief Human Resources Officer | Buy | 2,2502,265 held (+15000%) | $60.65 | $136K | +43.8% | — |
| May 7SEC | Martha Goldberg AronsonCEO, President | Buy | 2,00049,792 held (+4%) | $60.44 | $121K | +44.3% | — |
| May 7SEC | Raul Parra Jr.CFO | Buy | 1,50058,843 held (+3%) | $61.01 | $92K | +42.9% | — |
| Jan 8SEC | Neil W. PetersonCOO | Sell Plan | 5,00028,369 held (−15%) | $90.00 | $450K | -3.1% | — |
| Nov 26SEC | Fred P. LampropoulosChair | Sell | 10,0001,019,955 held (−1%) | $88.04 | $880K | -0.9% | — |
| Nov 24SEC | Fred P. LampropoulosChair | Sell | 25,0001,029,955 held (−2%) | $87.31 | $2.2M | -0.1% | — |
| Nov 21SEC | Fred P. LampropoulosChair | Sell | 20,0001,054,955 held (−2%) | $85.13 | $1.7M | +2.4% | — |
| Nov 20SEC | Fred P. LampropoulosChair | Sell | 5,0001,074,955 held (−0%) | $84.83 | $424K | +2.8% | — |
Insiders at MERIT MEDICAL SYSTEMS INC
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Fred P. LampropoulosChair | — | $5.2M | Nov 26, 2025 | — |
| Neil W. PetersonCOO | — | $3.0M | Aug 25, 2026 | — |
| Michel J. VoigtChief Human Resources Officer | $136K | — | May 7, 2026 | — |
| Brian G. LloydGeneral Counsel | $125K | — | May 11, 2026 | — |
| Martha Goldberg AronsonCEO, President | $121K | — | May 7, 2026 | — |
| Lynne N. WardDirector | — | $313K | May 11, 2026 | — |
| Christian Adam SmithChief Commercial Officer | $99K | — | May 13, 2026 | — |
| Raul Parra Jr.CFO | $92K | — | May 7, 2026 | — |
MMSI stock: common questions
Are MERIT MEDICAL SYSTEMS INC insiders buying MMSI stock?
In the past 12 months, 5 insiders reported open-market purchases of MMSI worth $573K. The latest was Chief Commercial Officer Christian Adam Smith bought $99K of MMSI at $61.00 — first open-market purchase in our records; raises the stake by 274%.
Are MERIT MEDICAL SYSTEMS INC insiders selling MMSI stock?
3 insiders reported sales worth $8.5M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is MMSI's 52-week range?
Over the past year MMSI has traded between $60.31 and $93.18. It last closed at $87.21 on Oct 9, 2026.