Stocks · Technology · Industrial Instruments For Measurement, Display, and Control

MESA LABORATORIES INC

MLAB Clue Score65

United States Fiscal year ends March CIK 0000724004 Results filed 10 Aug 2026

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What the insiders did Net selling

By person

22 insiders · 251 transactions

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

John James Sullivan

Director

—

$19.35M (29) scheduled

−$19.35M

109,308

1.95%

$12.43M

+12.2%

Evan Guillemin

Director

—

$10.45M (19)

−$10.45M

200,512

3.58%

$22.80M

−41.4%

Robert Dwyer V

Director

—

$8.49M (14)

−$8.49M

36,074

0.6447%

$4.10M

−52.8%

John Sakys

CFO

—

$8.32M (34) scheduled

−$8.32M

19,785

0.3536%

$2.25M

+1,086%

Gary M Owens

President and CEO

—

$6.57M (12)

−$6.57M

64,135

1.15%

$7.29M

+3,414%

John Bradley Schmieder

Director

—

$5.13M (16)

−$5.13M

82,120

1.47%

$9.34M

−1.7%

David M Kelly

Director

—

$2.64M (16) scheduled

−$2.64M

2,600

0.0465%

$295.59K

−55.6%

Brian David Archbold

SVP Operations

—

$2.37M (17) scheduled

−$2.37M

6,377

0.1140%

$725.00K

+1,957%

H Stuart Campbell

Director

—

$2.34M (12)

−$2.34M

41,677

0.7448%

$4.74M

−29.3%

Glenn E Adriance

Csmo

—

$2.08M (5)

−$2.08M

10,000

0.1787%

$1.14M

−52.4%

Gregory Dinoia

SVP Commercial

—

$1.08M (9)

−$1.08M

3,634

0.0649%

$413.15K

+159.6%

Siddhartha Kadia

President and CEO

$800.09K (1)

—

+$800.09K

7,093

0.1268%

$806.40K

—

Michael T Brooks

Director

—

$773.43K (2)

−$773.43K

32,730

0.5849%

$3.72M

+27.7%

R Tony Tripeny

Director

$302.26K (3)

—

+$302.26K

9,082

0.1623%

$1.03M

—

Shiraz Shabanali Ladiwala

Director

$252.81K (1)

—

+$252.81K

12,333

0.2204%

$1.40M

—

Mark Christopher Capone

Director

$99.33K (1)

—

+$99.33K

6,213

0.1110%

$706.36K

—

Lyndsey Elizabeth Crennen

CAO

—

$51.51K (2)

−$51.51K

2,020

0.0361%

$229.65K

+27.0%

Shannon Hall

Director

—

$40.24K (1)

−$40.24K

6,973

0.1246%

$792.76K

—

Mesa Laboratories Inc /Co/ entity

Director

—

—

—

29,788

0.5323%

$3.39M

+0.1%

Jennifer Sadie Alltoft

Director

—

—

—

7,662

0.1369%

$871.09K

—

David Brian Perez

Director

—

—

—

275

0.0049%

$31.26K

—

SEG Ventures, LLC entity

Director

—

—

—

0

0.0000%

$0.00

−100.0%