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 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
MESA LABORATORIES INC CO: MLAB
Price: 8/21/26 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$124.76 $124.89 $58.83 $698 6 204 0.5% 8.4% 96.18% 5.62%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks Industrial Instruments For Measurement, Display,and Control
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
    
 
SAKYS JOHN
CFO
JB
---
1,461
6/15/15
6/15/25
---
---
13,507
12.1
D
---
6/18/25 - 10:59:04 am
2
    
 
OWENS GARY M
PR,CEO
AS
$2,602,110
21,000
---
3/19/25
---
$123.91
43,337
-32.6
D
10b
3/24/25 - 1:38:04 pm
3
    
 
OWENS GARY M
PR,CEO
JB
$2,582,580
21,000
---
3/19/25
---
$122.98
64,337
48.5
D
10b
3/24/25 - 1:38:04 pm
4
    
 
SULLIVAN JOHN JAMES
DIR
JS
---
2,000
---
11/19/24
---
---
25,878
-7.2
D
---
11/25/24 - 11:40:41 am
5
    
 
OWENS GARY M
PR,CEO
S
$571,736
5,069
10/28/24
10/29/24
---
$111.98
43,337
-10.5
D
---
10/29/24 - 8:18:57 pm
6
    
 
OWENS GARY M
PR,CEO
JB
---
11,559
---
10/27/24
---
---
48,406
31.4
D
---
10/29/24 - 8:18:57 pm
7
1y
12
58%
-14%
1
ARCHBOLD BRIAN DAVID
VP,OO
AS
$187,375
1,499
---
9/13/24
---
$125.00
---
All
D
10b
9/16/24 - 12:14:52 pm
8
    
 
SAKYS JOHN
CFO
JS
$60,695
454
---
9/1/24
---
$133.69
12,046
-3.6
D
---
9/6/24 - 12:46:32 pm
9
    
 
SAKYS JOHN
CFO
JB
---
1,037
---
9/1/24
---
---
12,500
9.0
D
---
9/6/24 - 12:46:32 pm
10
    
 
OWENS GARY M
PR,CEO
JS
$193,182
1,445
---
9/1/24
---
$133.69
36,847
-3.8
D
---
9/6/24 - 12:21:54 pm
11
    
 
OWENS GARY M
PR,CEO
JB
---
3,301
---
9/1/24
---
---
38,292
9.4
D
---
9/6/24 - 12:21:54 pm
12
    
 
ARCHBOLD BRIAN DAVID
VP,OO
JS
$51,604
386
---
9/1/24
---
$133.69
1,499
-20.5
D
---
9/6/24 - 12:12:50 pm
13
    
 
ARCHBOLD BRIAN DAVID
VP,OO
JB
---
845
---
9/1/24
---
---
1,885
81.3
D
---
9/6/24 - 12:12:50 pm
14
    
 
SULLIVAN JOHN JAMES
DIR
JB
---
1,074
---
9/1/24
---
---
27,878
4.0
D
---
9/6/24 - 11:53:15 am
15
    
 
TRIPENY R TONY
DIR
JB
---
1,074
---
9/1/24
---
---
2,679
66.9
D
---
9/6/24 - 11:43:15 am
16
    
 
LADIWALA SHIRAZ SHABANALI
DIR
JB
---
1,574
---
9/1/24
---
---
3,074
104.9
D
---
9/6/24 - 11:35:11 am
17
    
 
HALL SHANNON
DIR
JB
---
1,074
---
9/1/24
---
---
2,785
62.8
D
---
9/6/24 - 11:28:36 am
18
    
 
ALLTOFT JENNIFER SADIE
DIR
JB
---
1,074
---
9/1/24
---
---
3,474
44.8
D
---
9/6/24 - 11:22:32 am
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