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

Insider buying vs selling

Have Mesa Laboratories Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
John SakysCFO2025-06-21454$95.82
$43.50kSell
Gary M. OwensPresident and CEO2025-06-211,445$95.82
$138.46kSell
Gary M. OwensPresident and CEO2025-06-213,301$95.82
$316.30kBuy
Brian David ArchboldSVP Operations2025-06-21844$95.82
$80.87kBuy
Brian David ArchboldSVP Operations2025-06-21385$95.82
$36.89kSell
John SakysCFO2025-06-211,036$95.82
$99.27kBuy
Gary M. OwensPresident and CEO2025-06-188,707$92.99
$809.66kBuy
Brian David ArchboldSVP Operations2025-06-182,556$92.99
$237.68kBuy
Brian David ArchboldSVP Operations2025-06-181,166$92.99
$108.43kSell
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
Conestoga Capital Advisors LLC7.72%426,457$34.37MInstitution
Blackrock Inc7.04%388,795$31.34MInstitution
Vanguard Group Inc5.83%321,717$25.93MInstitution
Morgan Stanley4.62%254,974$20.55MInstitution
Ranger Investment Management LP3.80%209,700$16.90MInstitution
Evan Guillemin3.63%200,512$16.16MInsider
Geneva Capital Management LLC3.47%191,386$15.43MInstitution
Simcoe Capital Management LLC3.46%190,929$15.39MInstitution
Luke R. Schmieder3.19%176,293$14.21MInsider
Royce Associates LP2.69%148,558$11.97MInstitution

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MLAB vs Scientific & Technical Instrument Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MLAB84.86%15.14%Net Buying
VPG71.53%28.47%Net Selling
USBC0.35%99.65%Net Buying
MVIS27.67%9.75%Net SellingNet Selling
BKSY35.35%64.65%Net SellingNet Selling

Mesa Laboratories Stock Ownership FAQ

Who owns Mesa Laboratories?

Mesa Laboratories (NASDAQ: MLAB) is owned by 90.20% institutional shareholders, 16.10% 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 $16.25M.

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