WallStreetZenWallStreetZen

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
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

1 of 2

MLAB insiders have bought more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when MLAB insiders and whales buy or sell their stock.

MLAB Shareholders

What type of owners hold Mesa Laboratories Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Conestoga Capital Advisors LLC7.72%426,457$32.57MInstitution
Blackrock Inc7.04%388,795$29.70MInstitution
Vanguard Group Inc5.83%321,717$24.57MInstitution
Morgan Stanley4.62%254,974$19.47MInstitution
Ranger Investment Management LP3.80%209,700$16.02MInstitution
Evan Guillemin3.63%200,512$15.32MInsider
Geneva Capital Management LLC3.47%191,386$14.62MInstitution
Simcoe Capital Management LLC3.46%190,929$14.58MInstitution
Luke R. Schmieder3.19%176,293$13.47MInsider
Royce Associates LP2.69%148,558$11.35MInstitution

1 of 3

MLAB vs Scientific & Technical Instrument Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MLAB84.83%15.17%Net Buying
VPG71.53%28.47%Net Selling
MVIS27.67%9.70%Net SellingNet Selling
BKSY35.32%64.68%Net SellingNet Selling
WRAP9.93%42.88%Net Buying
View Top Scientific & Technical Instrument Stocks

Mesa Laboratories Stock Ownership FAQ

Who owns Mesa Laboratories?

Mesa Laboratories (NASDAQ: MLAB) is owned by 90.20% institutional shareholders, 16.13% 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 $15.47M.

If you're new to stock investing, here's how to buy Mesa Laboratories stock.
©2025 WallStreetZen
Company
AboutNewsBlogStock Investing FAQPlansPrivacy PolicyTerms of ServiceCancellation & RefundsPerformanceHelp GuidesContactTwitterYouTubeNewsletter
Stock Tools
Top Performing AnalystsStock ScreenerStock ForecastTrending StocksStrong Buy StocksHighest Earnings StocksBest Dividend Paying StocksStatisticsStock Market SectorsStock Market IndustriesHow to Buy Stocks Online
Stock Ideas
Buy The DipBiggest Stock Gainers TodayBiggest Stock Losers Today52 Week High Stocks52 Week Low StocksMost Active Stocks TodayMost Undervalued StocksBest Penny Stocks to Buy NowBest Stocks Under $5Best Stocks Under $10
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.