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
Siddhartha KadiaCEO;Pres2026-08-137,093$112.80
$800.09kBuy
R. Tony TripenyDirector2026-08-13900$113.69
$102.32kBuy
John James SullivanDirector2026-08-137,093$112.80
$800.09kSell
Lyndsey Elizabeth CrennenCAO2026-06-22442$89.50
$39.56kSell
Brian David ArchboldSVP Operations2026-06-222,516$89.50
$225.19kSell
John SakysCFO2026-06-222,827$89.50
$253.02kSell
Brian David ArchboldSVP Operations2026-06-182,480$95.10
$235.85kBuy
Brian David ArchboldSVP Operations2026-06-181,859$95.10
$176.79kBuy
Lyndsey Elizabeth CrennenCAO2026-06-18125$95.10
$11.89kBuy
Lyndsey Elizabeth CrennenCAO2026-06-18233$95.10
$22.16kBuy

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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
Evan Guillemin3.58%200,512$25.50MInsider
Luke R. Schmieder3.15%176,293$22.42MInsider
John James Sullivan1.97%110,508$14.05MInsider
John Bradley Schmieder1.47%82,120$10.44MInsider
Paul D. Duke1.33%74,323$9.45MInsider
Gary M. Owens1.15%64,135$8.15MInsider
H. Stuart Campbell0.74%41,677$5.30MInsider
Robert V. Dwyer0.65%36,564$4.65MInsider
Michael T. 1. Brooks0.58%32,730$4.16MInsider
Mesa Laboratories Inc0.53%29,788$3.79MInsider

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MLAB vs Scientific & Technical Instrument Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MLAB0.09%17.32%Net BuyingNet Buying
VPG0.08%34.77%Net Selling
BKSY0.07%97.00%Net SellingNet Selling
USBC0.00%100.00%
WRAP0.01%57.18%Net SellingNet Buying

Mesa Laboratories Stock Ownership FAQ

Who owns Mesa Laboratories?

Mesa Laboratories (NASDAQ: MLAB) is owned by 0.09% institutional shareholders, 17.32% Mesa Laboratories insiders, and 82.59% retail investors. Evan Guillemin is the largest individual Mesa Laboratories shareholder, owning 200,512.00 shares representing 3.58% of the company. Evan Guillemin's Mesa Laboratories shares are currently valued at $25.12M.

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