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MESA LABORATORIES INC /CO/

MLAB Balanced
CIK 0000724004 #2870 in the set updated 17 Sep 2026
Bought (12 mo)
$1.35M
out of their own pocket, the only kind of buying there is
Sold (12 mo)
$1.57M
$252.36K on a plan · $0.00 straight out of an exercise
Sold at will
$1.32M
4 of 7 sales
Net
−$215.73K
+$36.63K against sales at will

By person

11 insiders · 21 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Kadia Siddhartha
President and CEO
$800.09K (1)
—
+$800.09K
7,093
0.1268%
$806.40K
—
Sullivan John James
Director
—
$800.09K (1)
−$800.09K
20,618
0.3685%
$2.34M
−25.1%
Sakys John
CFO
—
$376.87K (2)
−$376.87K
19,785
0.3536%
$2.25M
+55.6%
Archbold Brian David
SVP Operations
—
$341.75K (2)
−$341.75K
6,377
0.1140%
$725.00K
—
Ladiwala Shiraz Shabanali
Director
$252.81K (1)
—
+$252.81K
12,333
0.2204%
$1.40M
+301.2%
Tripeny R Tony
Director
$202.26K (2)
—
+$202.26K
9,082
0.1623%
$1.03M
+239.0%
Capone Mark Christopher
Director
$99.33K (1)
—
+$99.33K
6,213
0.1110%
$706.36K
+758.1%
Crennen Lyndsey Elizabeth
CAO
—
$51.51K (2)
−$51.51K
2,020
0.0361%
$229.65K
+27.0%
Owens Gary M
President and CEO
—
—
—
64,135
1.15%
$7.29M
+74.1%
Alltoft Jennifer Sadie
Director
—
—
—
7,662
0.1369%
$871.09K
+120.6%
Hall Shannon
Director
—
—
—
6,973
0.1246%
$792.76K
+150.4%

Individual transactions

4
Insider
Date
Role
Action
Shares
Price
Amount
Sullivan John James
13 Aug 2026
Director
Sell
7,093
$112.80
$800.09K
Sakys John
22 Jun 2026
CFO
Sell
2,827
$89.50
$253.02K
Archbold Brian David
22 Jun 2026
SVP Operations
Sell
2,516
$89.50
$225.19K
Crennen Lyndsey Elizabeth
22 Jun 2026
CAO
Sell
442
$89.50
$39.56K
Show all 21 transactions →

What was left out

Form 4 filings counted 30
Amendments (4/A) skipped 1
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 3
Sales straight out of an exercise 0
Sales at will 4
Transactions with no price 0
Shares from compensation/vesting 48,705
History held since 12 Oct 2016