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 S  AS  JS*  OS  OS*  3
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 JS
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Detailed Insider History for:
IDEXX LABORATORIES INC DE: IDXX
Price: 8/22/25 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
$645.55 $688.12 $356.14 $51,647 80 592 0.0% 4.1% 97.51% 0.68%
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
1y
7
14%
35%
6
SZOSTAK M ANNE
DIR
OS
---
259
---
8/22/25
---
---
1,542
-14.4
I
---
8/26/25 - 5:00:16 pm
2
1y
7
14%
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
3
    
 
SZOSTAK M ANNE
DIR
JB
---
259
---
8/22/25
---
---
259
New
I
---
8/26/25 - 5:00:16 pm
4
    
 
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
5
    
 
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
6
    
 
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
7
    
 
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
8
    
 
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
9
    
 
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
10
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
11
    
 
EMERSON ANDREW
VP,CFO,TR
OS*
$261,324
402
---
8/7/25
---
$650.06
3,871
-9.4
D
---
8/11/25 - 6:00:21 pm
12
    
 
EMERSON ANDREW
VP,CFO,TR
OE*
$261,818
1,849
---
8/7/25
---
$141.60
4,273
76.3
D
---
8/11/25 - 6:00:21 pm
13
    
 
HUNT NIMRATA
VP
OS
$4,503,164
7,143
---
8/6/25
$629.87
$630.69
18,007
-28.4
D
---
8/8/25 - 9:00:13 pm
14
    
 
HUNT NIMRATA
VP
OE
$2,399,798
12,794
---
8/6/25
$141.60
$206.94
25,150
103.5
D
---
8/8/25 - 9:00:13 pm
15
1y
9
44%
11%
1
MAZELSKY JONATHAN JAY
PR,CEO,DIR
OS
$18,491,642
29,260
---
8/6/25
$626.90
$639.37
83,311
-26.0
D
---
8/8/25 - 8:38:08 pm
16
    
 
MAZELSKY JONATHAN JAY
PR,CEO,DIR
OE
$1,985,291
29,260
---
8/6/25
---
$67.85
112,571
35.1
D
---
8/8/25 - 8:38:08 pm
17
1y
7
14%
19%
1
LANE MICHAEL
VP
OS
$5,279,894
8,411
---
8/6/25
$627.56
$628.89
7,132
-54.1
D
---
8/8/25 - 8:37:18 pm
18
    
 
LANE MICHAEL
VP
OE
$2,323,682
8,411
---
8/6/25
$206.94
$288.78
15,543
117.9
D
---
8/8/25 - 8:37:18 pm
19
    
 
HOOLEY JOSEPH L
DIR
3
---
---
---
7/10/25
---
---
---
---
D
---
7/18/25 - 5:00:17 pm
20
    
 
JOHNSON MICHAEL PERKINS
VP
JS
$769,527
1,499
---
6/1/25
---
$513.36
2,365
-38.8
D
R
6/3/25 - 5:00:38 pm
21
    
 
JOHNSON MICHAEL PERKINS
VP
JB
---
3,382
---
6/1/25
---
---
3,864
701.2
D
R
6/3/25 - 5:00:38 pm
22
1y
7
14%
35%
6
SZOSTAK M ANNE
DIR
OS
$645,545
1,260
---
5/21/25
---
$512.34
1,801
-41.2
I
---
5/23/25 - 5:00:20 pm
23
1y
7
14%
35%
6
SZOSTAK M ANNE
DIR
OS
$537,372
1,046
---
5/21/25
---
$513.74
262
-80.0
D
---
5/23/25 - 5:00:20 pm
24
    
 
SZOSTAK M ANNE
DIR
OE
$167,653
1,046
---
5/21/25
---
$160.28
1,308
399.2
D
---
5/23/25 - 5:00:20 pm
25
1y
8
25%
20%
3
JUNIUS DANIEL M
DIR
OS
$1,358,697
2,683
---
5/13/25
---
$506.41
3,304
-44.8
D
---
5/14/25 - 5:00:15 pm
26
    
 
JUNIUS DANIEL M
DIR
OE
$707,801
2,683
---
5/13/25
$245.79
$283.59
5,987
81.2
D
---
5/14/25 - 5:00:15 pm
27
1y
5
40%
24%
2
VANDEBROEK SOPHIE V
DIR
OS
$628,425
1,279
---
5/9/25
---
$491.34
1,167
-52.3
D
---
5/13/25 - 5:00:17 pm
28
    
 
VANDEBROEK SOPHIE V
DIR
OE
$362,712
1,279
---
5/9/25
---
$283.59
2,446
109.6
D
---
5/13/25 - 5:00:17 pm
29
    
 
VANDEBROEK SOPHIE V
DIR
JB
---
262
---
5/6/25
---
---
1,167
29.0
D
R
5/8/25 - 7:01:50 pm
30
    
 
SZOSTAK M ANNE
DIR
JB
---
262
---
5/6/25
---
---
262
New
D
R
5/8/25 - 7:01:38 pm
31
    
 
KINGSLEY LAWRENCE D
DIR
JB
---
346
---
5/6/25
---
---
9,229
3.9
D
R
5/8/25 - 7:01:17 pm
32
    
 
JUNIUS DANIEL M
DIR
JB
---
262
---
5/6/25
---
---
3,304
8.6
D
R
5/8/25 - 7:01:05 pm
33
    
 
ESSIG STUART
DIR
JB
---
262
---
5/6/25
---
---
2,236
13.3
D
R
5/8/25 - 7:00:53 pm
34
    
 
EMERSON ANDREW
VP,CFO,TR
3
---
---
---
3/1/25
---
---
2,396
---
D
R
3/10/25 - 7:12:33 pm
35
    
 
MCKEON BRIAN P
VP,CFO,TR
JS
$252,938
569
---
2/14/25
---
$444.53
31,550
-1.8
D
---
2/18/25 - 9:44:17 pm
36
    
 
MCKEON BRIAN P
VP,CFO,TR
JB
---
1,162
---
2/14/25
---
---
32,119
3.8
D
---
2/18/25 - 9:44:17 pm
37
    
 
UNDERBERG SHARON E
VP,GC,SEC
JS
$97,352
219
---
2/14/25
---
$444.53
6,127
-3.5
D
R
2/18/25 - 9:44:07 pm
38
    
 
UNDERBERG SHARON E
VP,GC,SEC
JB
---
704
---
2/14/25
---
---
6,346
12.5
D
R
2/18/25 - 9:44:07 pm
39
    
 
SMITH MARTIN ALEXANDER
VP
JS
$166,254
374
---
2/14/25
---
$444.53
1,392
-21.2
D
R
2/18/25 - 9:43:57 pm
40
    
 
SMITH MARTIN ALEXANDER
VP
JB
---
1,231
---
2/14/25
---
---
1,766
230.1
D
R
2/18/25 - 9:43:57 pm
41
    
 
SCHRECK MICHAEL
VP
JS
$196,038
441
---
2/14/25
---
$444.53
1,956
-18.4
D
R
2/18/25 - 9:43:47 pm
42
    
 
SCHRECK MICHAEL
VP
JB
---
1,459
---
2/14/25
---
---
2,397
155.5
D
R
2/18/25 - 9:43:47 pm
43
    
 
MAZELSKY JONATHAN JAY
PR,CEO,DIR
JS
$543,216
1,222
---
2/14/25
---
$444.53
83,283
-1.4
D
R
2/18/25 - 9:43:38 pm
44
    
 
MAZELSKY JONATHAN JAY
PR,CEO,DIR
JB
---
2,747
---
2/14/25
---
---
84,505
3.4
D
R
2/18/25 - 9:43:38 pm
45
    
 
LANE MICHAEL
VP
JS
$120,912
272
---
2/14/25
---
$444.53
7,103
-3.7
D
R
2/18/25 - 9:43:29 pm
46
    
 
LANE MICHAEL
VP
JB
---
885
---
2/14/25
---
---
7,375
13.6
D
R
2/18/25 - 9:43:29 pm
47
    
 
JOHNSON MICHAEL PERKINS
VP
JS
$52,455
118
---
2/14/25
---
$444.53
467
-20.2
D
R
2/18/25 - 9:43:18 pm
48
    
 
JOHNSON MICHAEL PERKINS
VP
JB
---
355
---
2/14/25
---
---
585
154.1
D
R
2/18/25 - 9:43:18 pm
49
    
 
HUNT NIMRATA
VP
JS
$119,134
268
---
2/14/25
---
$444.53
12,327
-2.1
D
R
2/18/25 - 9:43:08 pm
50
    
 
HUNT NIMRATA
VP
JB
---
872
---
2/14/25
---
---
12,595
7.4
D
R
2/18/25 - 9:43:08 pm
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