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Detailed Insider History for:
IDEXX LABORATORIES INC DE: IDXX
Price: 3/6/26 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
$608.41 $769.98 $356.14 $48,582 80 514 0.0% 2.9% 95.83% 0.72%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Chemicals And Allied Products In Vitro & In Vivo Diagnostic Substances
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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
    
 
UNDERBERG SHARON E
VP,GC,SEC
OB
$99,589
197
---
3/3/26
---
$505.53
7,138
2.8
D
---
3/5/26 - 5:01:34 pm
2
    
 
HUNT NIMRATA
VP
S
$1,115,577
1,758
---
3/3/26
---
$634.57
18,141
-8.8
D
---
3/5/26 - 5:01:28 pm
3
1y
9
56%
20%
1
MAZELSKY JONATHAN JAY
PR,CEO,DIR
OB
$3,402,551
23,523
2/26/26
2/27/26
$141.60
$505.53
106,932
28.2
D
---
3/2/26 - 5:00:21 pm
4
1y
9
44%
11%
1
MAZELSKY JONATHAN JAY
PR,CEO,DIR
S
$15,338,081
23,326
---
2/26/26
$650.67
$663.04
83,606
-21.8
D
---
3/2/26 - 5:00:21 pm
5
    
 
HUNT NIMRATA
VP
S
$1,781,531
2,693
---
2/26/26
---
$661.54
19,899
-11.9
D
---
2/27/26 - 5:03:27 pm
6
    
 
ERICKSON MICHAEL G
VP
OB
$1,460,329
7,770
2/17/26
2/19/26
$141.60
$505.53
18,064
75.5
D
R
2/19/26 - 6:00:27 pm
7
    
 
ERICKSON MICHAEL G
VP
S
$3,369,666
5,371
---
2/17/26
$623.76
$629.86
12,693
-29.7
D
R
2/19/26 - 6:00:27 pm
8
1y
6
33%
33%
2
VANDEBROEK SOPHIE V
DIR
OS
$920,293
1,464
---
2/17/26
---
$628.56
648
-69.3
D
---
2/19/26 - 6:00:21 pm
9
    
 
VANDEBROEK SOPHIE V
DIR
OE
$315,536
945
---
2/17/26
---
$333.90
2,112
81.0
D
---
2/19/26 - 6:00:21 pm
10
    
 
UNDERBERG SHARON E
VP,GC,SEC
JS
$157,967
251
---
2/14/26
---
$629.35
6,941
-3.5
D
R
2/17/26 - 7:31:16 pm
11
    
 
UNDERBERG SHARON E
VP,GC,SEC
JB
---
832
---
2/14/26
---
---
7,192
13.1
D
R
2/17/26 - 7:31:16 pm
12
    
 
SMITH MARTIN ALEXANDER
VP
JS
$190,064
302
---
2/14/26
---
$629.35
2,157
-12.3
D
R
2/17/26 - 7:31:10 pm
13
    
 
SMITH MARTIN ALEXANDER
VP
JB
---
1,004
---
2/14/26
---
---
2,459
69.0
D
R
2/17/26 - 7:31:10 pm
14
    
 
SCHRECK MICHAEL
VP
JS
$551,311
876
---
2/14/26
---
$629.35
3,089
-22.1
D
R
2/17/26 - 7:31:04 pm
15
    
 
SCHRECK MICHAEL
VP
JB
---
1,959
---
2/14/26
---
---
3,965
97.7
D
R
2/17/26 - 7:31:04 pm
16
    
 
MAZELSKY JONATHAN JAY
PR,CEO,DIR
JS
$575,855
915
---
2/14/26
---
$629.35
83,606
-1.1
D
R
2/17/26 - 7:30:58 pm
17
    
 
MAZELSKY JONATHAN JAY
PR,CEO,DIR
JB
---
2,057
---
2/14/26
---
---
84,521
2.5
D
R
2/17/26 - 7:30:58 pm
18
    
 
LANE MICHAEL
VP
JS
$139,086
221
---
2/14/26
---
$629.35
8,024
-2.7
D
R
2/17/26 - 7:30:50 pm
19
    
 
LANE MICHAEL
VP
JB
---
1,092
---
2/14/26
---
---
8,245
15.3
D
R
2/17/26 - 7:30:50 pm
20
    
 
JOHNSON MICHAEL PERKINS
VP
JS
$112,024
178
---
2/14/26
---
$629.35
2,795
-6.0
D
R
2/17/26 - 7:30:42 pm
21
    
 
JOHNSON MICHAEL PERKINS
VP
JB
---
573
---
2/14/26
---
---
2,973
23.9
D
R
2/17/26 - 7:30:42 pm
22
    
 
HUNT NIMRATA
VP
JS
$726,270
1,154
---
2/14/26
---
$629.35
22,592
-4.9
D
R
2/17/26 - 7:30:34 pm
23
    
 
HUNT NIMRATA
VP
JB
---
2,587
---
2/14/26
---
---
23,746
12.2
D
R
2/17/26 - 7:30:34 pm
24
    
 
FENNELL GEORGE
VP
JS
$125,241
199
---
2/14/26
---
$629.35
10,078
-1.9
D
R
2/17/26 - 7:30:26 pm
25
    
 
FENNELL GEORGE
VP
JB
---
454
---
2/14/26
---
---
10,277
4.6
D
R
2/17/26 - 7:30:26 pm
26
    
 
ERICKSON MICHAEL G
VP
JS
$612,987
974
---
2/14/26
---
$629.35
12,693
-7.1
D
R
2/17/26 - 7:30:18 pm
27
    
 
ERICKSON MICHAEL G
VP
JB
---
2,363
---
2/14/26
---
---
13,667
20.9
D
R
2/17/26 - 7:30:18 pm
28
    
 
EMERSON ANDREW
VP,CFO,TR
JS
$77,410
123
---
2/14/26
---
$629.35
4,222
-2.8
D
R
2/17/26 - 7:30:10 pm
29
    
 
EMERSON ANDREW
VP,CFO,TR
JB
---
456
---
2/14/26
---
---
4,345
11.7
D
R
2/17/26 - 7:30:10 pm
30
    
 
FENNELL GEORGE
VP
OS
$7,336,994
11,345
---
2/10/26
$643.00
$650.32
9,823
-53.6
D
---
2/11/26 - 5:01:09 pm
31
    
 
FENNELL GEORGE
VP
OE
$869,905
12,821
2/9/26
2/10/26
---
$67.85
21,168
153.6
D
---
2/11/26 - 5:01:09 pm
32
    
 
HOOLEY JOSEPH L
DIR
JB
$24,137
36
---
1/30/26
---
$670.46
75
92.3
D
---
2/3/26 - 5:01:06 pm
33
    
 
HUNT NIMRATA
VP
OS
$6,629,014
9,425
---
11/7/25
$702.20
$705.54
21,149
-30.8
D
---
11/10/25 - 5:01:13 pm
34
    
 
HUNT NIMRATA
VP
OE
$4,789,947
12,530
---
11/7/25
$288.78
$505.53
30,574
69.4
D
---
11/10/25 - 5:01:13 pm
35
    
 
HOOLEY JOSEPH L
DIR
JB
$24,513
39
---
10/30/25
---
$628.54
39
New
D
---
11/3/25 - 5:00:14 pm
36
    
 
PEACOCK KAREN
DIR
3
---
---
---
10/6/25
---
---
1
---
D
A
10/20/25 - 7:51:13 pm
37
    
 
PEACOCK KAREN
DIR
3
---
---
---
10/6/25
---
---
---
---
D
---
10/14/25 - 5:34:55 pm
38
    
 
SMITH MARTIN ALEXANDER
VP
JS
$3,235
5
---
9/1/25
---
$647.09
1,434
-0.3
D
R
9/3/25 - 5:56:31 pm
39
    
 
SMITH MARTIN ALEXANDER
VP
JB
---
18
---
9/1/25
---
---
1,439
1.3
D
R
9/3/25 - 5:56:31 pm
40
1y
9
11%
35%
6
SZOSTAK M ANNE
DIR
OS
---
259
---
8/22/25
---
---
1,542
-14.4
I
---
8/26/25 - 5:00:16 pm
41
1y
9
11%
35%
6
SZOSTAK M ANNE
DIR
OS
$1,415,700
2,187
---
8/22/25
---
$647.33
262
-89.3
D
---
8/26/25 - 5:00:16 pm
42
    
 
SZOSTAK M ANNE
DIR
JB
---
259
---
8/22/25
---
---
259
New
I
---
8/26/25 - 5:00:16 pm
43
    
 
SZOSTAK M ANNE
DIR
OE
$451,878
2,187
---
8/22/25
---
$206.62
2,449
834.7
D
---
8/26/25 - 5:00:16 pm
44
    
 
MAZELSKY JONATHAN JAY
PR,CEO,DIR
JS
---
1,051
---
8/15/25
---
---
82,443
-1.3
D
---
9/4/25 - 6:20:02 pm
45
    
 
ERICKSON MICHAEL G
VP
JS
$263,814
406
---
8/12/25
---
$649.85
11,287
-3.5
D
---
8/14/25 - 6:01:09 pm
46
    
 
HUNT NIMRATA
VP
OB
$299,344
1,226
---
8/12/25
$178.26
$544.08
18,033
7.3
D
---
8/13/25 - 5:17:04 pm
47
    
 
UNDERBERG SHARON E
VP,GC,SEC
OB
$1,227,390
5,633
8/8/25
8/12/25
$206.94
$544.08
11,606
94.3
D
---
8/12/25 - 5:00:39 pm
48
    
 
HUNT NIMRATA
VP
S
$787,840
1,200
---
8/11/25
---
$656.53
16,807
-6.7
D
---
8/13/25 - 5:17:04 pm
49
    
 
UNDERBERG SHARON E
VP,GC,SEC
S
$3,551,220
5,450
---
8/8/25
---
$651.60
6,156
-47.0
D
---
8/12/25 - 5:00:39 pm
50
1y
9
56%
20%
1
MAZELSKY JONATHAN JAY
PR,CEO,DIR
OB
$109,523
183
---
8/8/25
---
$598.49
83,494
0.2
D
---
8/12/25 - 5:00:15 pm
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