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M

MMSI

Nasdaq

MERIT MEDICAL SYSTEMS INC

Latest disclosureSeptember 9, 2026
Insider score Why 31?
31/ 100
Qualifying buys · 30d
$0

5 purchases · 3 sales

Price by TradingViewDelayed quote from TradingView, for viewing only. It does not power Whale Atlas scores or alerts. If the quote does not load, open the TradingView link.

Insider transactions 25

Limited filing history
All25Buying5Selling3Other17
Filters

Last 30 daysNo qualifying insider buying. No qualifying insider sales.

17 of 25 trades · May 5, 2026 – September 4, 2026Incomplete history: this shows the filings imported so far, not every filing ever made. Dates are trade dates. Filters affect this table only.

Showing the first 6 of 17 trades on this page.

Award disclosed

Sheri Lewis

EVP of Global Operations

Common Stock, No Par Value

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded September 4, 2026Filed September 9, 2026SEC filing
Gift disclosed

Michel J. Voigt

CHIEF HUMAN RESOURCES OFFICER

Common Stock, No Par Value

Value context
Not a purchase
Reported price
Gift · no purchase price
Understand this price

The filing reports a zero transaction price for this gift. It does not establish the market value of the gift.

Traded August 24, 2026Filed August 25, 2026SEC filing
Gift disclosed

Michel J. Voigt

CHIEF HUMAN RESOURCES OFFICER

Common Stock, No Par Value

Value context
Not a purchase
Reported price
Gift · no purchase price
Understand this price

The filing reports a zero transaction price for this gift. It does not establish the market value of the gift.

Traded June 15, 2026Filed June 17, 2026SEC filing
Gift disclosed

Brian G. Lloyd

CHIEF LEGAL OFFICER, SECRETARY

Common Stock, No Par Value

Value context
Not a purchase
Reported price
Gift · no purchase price
Understand this price

The filing reports a zero transaction price for this gift. It does not establish the market value of the gift.

Traded June 5, 2026Filed June 8, 2026SEC filing
Exercise or conversion

Thomas J. Gunderson

Director

Common Stock, No Par Value

Value context
$717.34K
Reported price
$52.17 / share
Traded May 20, 2026Filed May 21, 2026SEC filing
Exercise or conversion

Thomas J. Gunderson

Director

Common Stock, No Par Value

Value context
$391.28K
Reported price
$52.17 / share
Traded May 20, 2026Filed May 21, 2026SEC filing
Exercise or conversion

Thomas J. Gunderson

Director

Non-qualified stock options (right to buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$52.17 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded May 20, 2026Filed May 21, 2026SEC filing
Exercise or conversion

Thomas J. Gunderson

Director

Non-qualified stock options (right to buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$52.17 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded May 20, 2026Filed May 21, 2026SEC filing
Award disclosed

Lynne N. Ward

Director

Common Stock, No Par Value

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 18, 2026Filed May 19, 2026SEC filing
Award disclosed

Scott R. Ward

Director

Common Stock, No Par Value

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 18, 2026Filed May 19, 2026SEC filing
Award disclosed

Thomas J. Gunderson

Director

Common Stock, No Par Value

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 18, 2026Filed May 19, 2026SEC filing
Award disclosed

Stephen C. Evans

Director

Common Stock, No Par Value

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 18, 2026Filed May 19, 2026SEC filing
Award disclosed

Laura S. Kaiser

Director

Common Stock, No Par Value

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 18, 2026Filed May 19, 2026SEC filing
Award disclosed

Silvia M. Perez

Director

Common Stock, No Par Value

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 18, 2026Filed May 19, 2026SEC filing
Award disclosed

Lonny J. Carpenter

Director

Common Stock, No Par Value

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 18, 2026Filed May 19, 2026SEC filing
Award disclosed

Michael R. McDonnell

Director

Common Stock, No Par Value

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 18, 2026Filed May 19, 2026SEC filing
Award disclosed

F. Ann Ed.D. Millner

Director

Common Stock, No Par Value

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 18, 2026Filed May 19, 2026SEC filing
Reporting insiderSecurity / transactionAmount / priceValueTraded / disclosedSource
EVP of Global OperationsCommon Stock, No Par ValueGrant or award8,371Award · no purchase priceNon-cash awardSep 4Filed Sep 9 · 5d laterSEC filing
CHIEF HUMAN RESOURCES OFFICERCommon Stock, No Par ValueGift650Gift · no purchase priceNot a purchaseAug 24Filed Aug 25 · 1d laterSEC filing
CHIEF HUMAN RESOURCES OFFICERCommon Stock, No Par ValueGift65Gift · no purchase priceNot a purchaseJun 15Filed Jun 17 · 2d laterSEC filing
CHIEF LEGAL OFFICER, SECRETARYCommon Stock, No Par ValueGift2,000Gift · no purchase priceNot a purchaseJun 5Filed Jun 8 · 3d laterSEC filing
DirectorCommon Stock, No Par ValueOption exercise or conversion13,750$52.17 / share$717.34KMay 20Filed May 21 · 1d laterSEC filing
DirectorCommon Stock, No Par ValueOption exercise or conversion7,500$52.17 / share$391.28KMay 20Filed May 21 · 1d laterSEC filing
DirectorNon-qualified stock options (right to buy)Option exercise or conversionDerivative units13,750$52.17 exercise / conversion priceNot a separate purchaseMay 20Filed May 21 · 1d laterSEC filing
DirectorNon-qualified stock options (right to buy)Option exercise or conversionDerivative units7,500$52.17 exercise / conversion priceNot a separate purchaseMay 20Filed May 21 · 1d laterSEC filing
DirectorCommon Stock, No Par ValueGrant or award3,457Award · no purchase priceNon-cash awardMay 18Filed May 19 · 1d laterSEC filing
DirectorCommon Stock, No Par ValueGrant or award3,457Award · no purchase priceNon-cash awardMay 18Filed May 19 · 1d laterSEC filing
DirectorCommon Stock, No Par ValueGrant or award3,457Award · no purchase priceNon-cash awardMay 18Filed May 19 · 1d laterSEC filing
DirectorCommon Stock, No Par ValueGrant or award3,457Award · no purchase priceNon-cash awardMay 18Filed May 19 · 1d laterSEC filing
DirectorCommon Stock, No Par ValueGrant or award3,457Award · no purchase priceNon-cash awardMay 18Filed May 19 · 1d laterSEC filing
DirectorCommon Stock, No Par ValueGrant or award3,457Award · no purchase priceNon-cash awardMay 18Filed May 19 · 1d laterSEC filing
DirectorCommon Stock, No Par ValueGrant or award3,457Award · no purchase priceNon-cash awardMay 18Filed May 19 · 1d laterSEC filing
DirectorCommon Stock, No Par ValueGrant or award3,457Award · no purchase priceNon-cash awardMay 18Filed May 19 · 1d laterSEC filing
DirectorCommon Stock, No Par ValueGrant or award3,457Award · no purchase priceNon-cash awardMay 18Filed May 19 · 1d laterSEC filing
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Why this buying score?

Qualifying common-equity purchase value

$143,323 of common-equity purchase value after transaction-age decay across 180 days.

+12 pts

Distinct buying groups

5 distinct reporting-owner group(s). Joint rows count once; identity is not proof of discretion.

+9 pts

CEO purchase

Qualifying common-equity P acquisition; no disclosed plan, exercise or excluded purchase context detected.

+4 pts

CFO purchase

Qualifying common-equity P acquisition; no disclosed plan, exercise or excluded purchase context detected.

+3 pts

Material reported holdings increase

At least one row increased reported same-security holdings by 10% or established a new reported position; indirect interests may overlap.

+3 pts

This score describes qualifying insider purchases at issuer level. Read the methodology

Sources and coverage

Limited filing history · Market-wide discovery does not establish complete company history. View coverage
Source
SEC EDGAR · Form 4
Issuer CIK
0000856982
Latest public acceptance
Sep 9, 2026, 07:58 PM UTC
Score calculated
Oct 8, 2026, 03:51 PM UTC
Parser
form4-parser-1.5
Classifier
form4-classifier-1.1
Scoring methodology
insider-experimental-1.1
Availability
Public filing time, not trade date

Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.

Insider activity can have many explanations. Signal Strength is not a probability of profit or a recommendation to trade.

Congress transactions 1

All Congress filings
Sale disclosed

Merit Medical Systems, Inc. - Common Stock (MMSI) · Stock

The filing reports a sale for a spouse.

Lisa McClain official portraitLisa McClainReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
September 25, 2025
Filed October 22, 2025 · 27d laterOriginal report