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MLAB

Mesa Laboratories, Inc.

NASDAQ · USTechnologyHardware, Equipment & Parts
$97.19-0.77%

Price as of Jul 20, 2026

MLAB ownership

Mesa Laboratories, Inc. ownership & insider activity

Latest available institutional positioning and SEC Form 4 insider transactions, coalesced at the company entity level when listings share coverage.

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
6
Net (3m)
-$770.1K
Insider trades by month Buys Sells
Sep
Oct
Mar
Jun
Mar
Jun
Context3-month price -6.6%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
Jun 23, 2026Archbold Brian Davidofficer: SVP OperationsOption2,480$95.10
Jun 23, 2026Sakys Johnofficer: CFOOption1,036$95.10
Jun 23, 2026Crennen Lyndsey Elizabethofficer: CAOSell442$89.50
Jun 23, 2026Sakys Johnofficer: CFOOption2,756$95.10
Jun 23, 2026Archbold Brian Davidofficer: SVP OperationsSell2,516$89.50
Jun 23, 2026Sakys Johnofficer: CFOSell2,827$89.50
Jun 23, 2026Crennen Lyndsey Elizabethofficer: CAOOption368$95.10
Jun 23, 2026Archbold Brian Davidofficer: SVP OperationsOption844$95.10
Jun 23, 2026Crennen Lyndsey Elizabethofficer: CAOOption233$95.10
Jun 23, 2026Crennen Lyndsey Elizabethofficer: CAOGrant263$95.10
Jun 23, 2026Crennen Lyndsey Elizabethofficer: CAOOption125$95.10
Jun 23, 2026Archbold Brian Davidofficer: SVP OperationsGrant1,859$95.10
Jun 23, 2026Sakys Johnofficer: CFOGrant2,282$95.10
Jun 17, 2026Sakys Johnofficer: CFOSell1,223$101.27
Jun 17, 2026Crennen Lyndsey Elizabethofficer: CAOSell118$101.27
Jun 17, 2026Archbold Brian Davidofficer: SVP OperationsSell1,151$101.27
Jun 16, 2026Archbold Brian Davidofficer: SVP OperationsOption2,454$104.08
Jun 16, 2026Sakys Johnofficer: CFOOption2,717$104.08
Jun 16, 2026Sakys Johnofficer: CFOGrant8,416—
Jun 16, 2026Archbold Brian Davidofficer: SVP OperationsGrant4,328—
May 19, 2026Kadia Siddharthaofficer: President and CEOGrant35,236—
Apr 24, 2026Kadia Siddharthaofficer: President and CEOGrant34,807—
Mar 10, 2026Capone Mark ChristopherdirectorBuy1,301$76.35
Mar 10, 2026Ladiwala Shiraz ShabanalidirectorBuy3,500$72.23
Mar 10, 2026Tripeny R TonydirectorBuy1,315$76.00
Oct 28, 2025Owens Gary Mofficer: President and CEOOption11,558—
Aug 18, 2025Ladiwala Shiraz ShabanalidirectorGrant3,810—
Aug 18, 2025Ladiwala Shiraz ShabanalidirectorOption1,949—
Aug 18, 2025Hall ShannondirectorGrant2,784—
Aug 18, 2025Alltoft Jennifer SadiedirectorGrant2,784—

Source: MLAB SEC Form 4 filings, latest Jun 23, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their MLAB positions over the last 6 months (SEC Form 13F).

Increased
124
New positions
52
Reduced
93
Sold out
32
Largest moves
InstitutionActionSharesFiled
LONG PATH PARTNERS LPIncreased406KMay 14, 2026
BLACKROCK, INC.Increased399KFeb 12, 2026
BLACKROCK, INC.Reduced394KMay 13, 2026
VANGUARD GROUP INCIncreased322KJan 29, 2026
BOSTON PARTNERSIncreased269KMay 11, 2026
SELECT EQUITY GROUP, L.P.Increased236KMay 15, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position233KMay 15, 2026
LONG PATH PARTNERS LPNew Position227KFeb 17, 2026
BOSTON PARTNERSIncreased213KFeb 13, 2026
SELECT EQUITY GROUP, L.P.Increased206KFeb 17, 2026
RANGER INVESTMENT MANAGEMENT, L.P.Reduced205KFeb 13, 2026
RANGER INVESTMENT MANAGEMENT, L.P.Reduced203KMay 15, 2026
GENEVA CAPITAL MANAGEMENT LLCReduced179KFeb 12, 2026
MORGAN STANLEYReduced176KFeb 13, 2026
AQR CAPITAL MANAGEMENT LLCIncreased171KMay 15, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.