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NASDAQ: MLAB
Mesa Laboratories Inc Stock Ownership - Who owns Mesa Laboratories?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Mesa Laboratories Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Shiraz Shabanali LadiwalaDirector2026-03-103,500$72.23
$252.81kBuy
R. Tony TripenyDirector2026-03-101,315$76.00
$99.94kBuy
Mark Christopher CaponeDirector2026-03-101,301$76.35
$99.33kBuy
John SakysCFO2025-06-21454$95.82
$43.50kSell
Brian David ArchboldSVP Operations2025-06-21385$95.82
$36.89kSell
John SakysCFO2025-06-211,036$95.82
$99.27kBuy
Brian David ArchboldSVP Operations2025-06-21844$95.82
$80.87kBuy
Gary M. OwensPresident and CEO2025-06-213,301$95.82
$316.30kBuy
Gary M. OwensPresident and CEO2025-06-211,445$95.82
$138.46kSell
Gary M. OwensPresident and CEO2025-06-183,810$92.99
$354.29kSell

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Net Insider Buy/Sell (L12M) Ownership

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MLAB Shareholders

What type of owners hold Mesa Laboratories Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc7.22%398,666$41.06MInstitution
Vanguard Group Inc5.83%321,899$33.15MInstitution
Long Path Partners LP4.11%227,223$23.40MInstitution
Boston Partners3.86%213,376$21.98MInstitution
Select Equity Group LP3.74%206,435$21.26MInstitution
Ranger Investment Management LP3.72%205,263$21.14MInstitution
Evan Guillemin3.63%200,512$20.65MInsider
Geneva Capital Management LLC3.23%178,713$18.41MInstitution
Luke R. Schmieder3.19%176,293$18.16MInsider
Morgan Stanley3.18%175,589$18.08MInstitution

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MLAB vs Scientific & Technical Instrument Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MLAB84.12%15.88%Net BuyingNet Buying
VPG72.52%27.48%Net Selling
MVIS27.66%10.01%Net SellingNet Buying
USBC0.48%99.52%
WATT0.75%99.25%Net Buying
View Top Scientific & Technical Instrument Stocks

Mesa Laboratories Stock Ownership FAQ

Who owns Mesa Laboratories?

Mesa Laboratories (NASDAQ: MLAB) is owned by 85.82% institutional shareholders, 16.20% Mesa Laboratories insiders, and 0.00% retail investors. Evan Guillemin is the largest individual Mesa Laboratories shareholder, owning 200,512.00 shares representing 3.63% of the company. Evan Guillemin's Mesa Laboratories shares are currently valued at $20.82M.

If you're new to stock investing, here's how to buy Mesa Laboratories stock.
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