InsiderClue
Stocks · Health care · In Vitro & In Vivo Diagnostic Substances

Idexx Laboratories

IDXX Clue Score66
United States Fiscal year ends December CIK 0000874716 Results filed 2 Nov 2026
Add to watchlist

What the insiders did Net selling

Individual transactions

180
Insider
Date
Role
Action
Shares
Price
Amount
Jonathan Jay Mazelsky
4 Nov 2026
Executive Chair of the Board
Sold after exercise
331
$711.95
$235.65K
Jonathan Jay Mazelsky
4 Nov 2026
Executive Chair of the Board
Sold after exercise
775
$711.31
$551.26K
Jonathan Jay Mazelsky
4 Nov 2026
Executive Chair of the Board
Sold after exercise
1,501
$710.12
$1.07M
Jonathan Jay Mazelsky
4 Nov 2026
Executive Chair of the Board
Sold after exercise
1,300
$709.00
$921.70K
Jonathan Jay Mazelsky
4 Nov 2026
Executive Chair of the Board
Sold after exercise
1,840
$707.84
$1.30M
Jonathan Jay Mazelsky
4 Nov 2026
Executive Chair of the Board
Sold after exercise
840
$707.00
$593.88K
Jonathan Jay Mazelsky
4 Nov 2026
Executive Chair of the Board
Sold after exercise
240
$705.59
$169.34K
Jonathan Jay Mazelsky
4 Nov 2026
Executive Chair of the Board
Sold after exercise
3,950
$703.45
$2.78M
Jonathan Jay Mazelsky
4 Nov 2026
Executive Chair of the Board
Sold after exercise
2,136
$702.21
$1.50M
Jonathan Jay Mazelsky
4 Nov 2026
Executive Chair of the Board
Sold after exercise
4,540
$701.36
$3.18M
Jonathan Jay Mazelsky
4 Nov 2026
Executive Chair of the Board
Sold after exercise
1,667
$700.33
$1.17M
Jonathan Jay Mazelsky
4 Nov 2026
Executive Chair of the Board
Sold after exercise
4,075
$699.33
$2.85M
Jonathan Jay Mazelsky
4 Nov 2026
Executive Chair of the Board
Sold after exercise
1,945
$698.26
$1.36M
Sharon E. Underberg
4 Nov 2026
EVP, GC & Corporate Secretary
Sold after exercise
1,055
$690.02
$727.97K
Sharon E. Underberg
4 Nov 2026
EVP, GC & Corporate Secretary
Sold after exercise
1,503
$689.05
$1.04M
Sharon E. Underberg
4 Nov 2026
EVP, GC & Corporate Secretary
Sold after exercise
6,348
$688.25
$4.37M
Lawrence D Kingsley
4 Sep 2026
Director
Sold after exercise
2,203
$532.08
$1.17M
Jonathan Jay Mazelsky
26 Feb 2026
President and CEO
Sold after exercise
2,589
$663.04
$1.72M
Jonathan Jay Mazelsky
26 Feb 2026
President and CEO
Sold after exercise
1,000
$662.16
$662.16K
Jonathan Jay Mazelsky
26 Feb 2026
President and CEO
Sold after exercise
1,200
$661.10
$793.32K
Jonathan Jay Mazelsky
26 Feb 2026
President and CEO
Sold after exercise
2,859
$659.75
$1.89M
Jonathan Jay Mazelsky
26 Feb 2026
President and CEO
Sold after exercise
3,660
$658.92
$2.41M
Jonathan Jay Mazelsky
26 Feb 2026
President and CEO
Sold after exercise
2,860
$657.84
$1.88M
Jonathan Jay Mazelsky
26 Feb 2026
President and CEO
Sold after exercise
1,343
$656.85
$882.14K
Jonathan Jay Mazelsky
26 Feb 2026
President and CEO
Sold after exercise
1,488
$655.85
$975.90K
Jonathan Jay Mazelsky
26 Feb 2026
President and CEO
Sold after exercise
1,111
$654.63
$727.29K
Jonathan Jay Mazelsky
26 Feb 2026
President and CEO
Sold after exercise
1,171
$653.68
$765.45K
Jonathan Jay Mazelsky
26 Feb 2026
President and CEO
Sold after exercise
1,669
$652.49
$1.09M
Jonathan Jay Mazelsky
26 Feb 2026
President and CEO
Sold after exercise
1,095
$651.49
$713.38K
Jonathan Jay Mazelsky
26 Feb 2026
President and CEO
Sold after exercise
1,281
$650.67
$833.51K
Sophie Vandebroek V.
17 Feb 2026
Director
Sold after exercise
519
$628.56
$326.22K
Sophie Vandebroek V.
17 Feb 2026
Director
Sold after exercise
945
$628.65
$594.07K
Michael G Erickson
17 Feb 2026
Executive Vice President
Sold after exercise
40
$629.86
$25.19K
Michael G Erickson
17 Feb 2026
Executive Vice President
Sold after exercise
689
$629.09
$433.44K
Michael G Erickson
17 Feb 2026
Executive Vice President
Sold after exercise
2,694
$628.22
$1.69M
Michael G Erickson
17 Feb 2026
Executive Vice President
Sold after exercise
1,288
$626.26
$806.62K
Michael G Erickson
17 Feb 2026
Executive Vice President
Sold after exercise
204
$625.24
$127.55K
Michael G Erickson
17 Feb 2026
Executive Vice President
Sold after exercise
456
$623.76
$284.43K
George Fennell
10 Feb 2026
Executive Vice President
Sold after exercise
40
$650.32
$26.01K
George Fennell
10 Feb 2026
Executive Vice President
Sold after exercise
2,809
$649.26
$1.82M
George Fennell
10 Feb 2026
Executive Vice President
Sold after exercise
966
$648.78
$626.72K
George Fennell
10 Feb 2026
Executive Vice President
Sold after exercise
1,060
$647.21
$686.04K
George Fennell
10 Feb 2026
Executive Vice President
Sold after exercise
2,782
$646.23
$1.80M
George Fennell
10 Feb 2026
Executive Vice President
Sold after exercise
2,161
$645.25
$1.39M
George Fennell
10 Feb 2026
Executive Vice President
Sold after exercise
397
$644.02
$255.67K
George Fennell
10 Feb 2026
Executive Vice President
Sold after exercise
1,130
$643.00
$726.59K
Nimrata Hunt
7 Nov 2025
Executive Vice President
Sold after exercise
1,378
$705.54
$972.24K
Nimrata Hunt
7 Nov 2025
Executive Vice President
Sold after exercise
1,468
$704.87
$1.03M
Nimrata Hunt
7 Nov 2025
Executive Vice President
Sold after exercise
1,465
$703.73
$1.03M
Nimrata Hunt
7 Nov 2025
Executive Vice President
Sold after exercise
5,114
$702.20
$3.59M
M Anne Szostak
22 Aug 2025
Director
Sold after exercise
2,187
$647.33
$1.42M
Sharon E. Underberg
8 Aug 2025
EVP, GC & Corporate Secretary
Sold after exercise
5,450
$651.60
$3.55M
Michael Lane
6 Aug 2025
Executive Vice President
Sold after exercise
300
$628.89
$188.67K
Michael Lane
6 Aug 2025
Executive Vice President
Sold after exercise
2,480
$627.99
$1.56M
Michael Lane
6 Aug 2025
Executive Vice President
Sold after exercise
5,631
$627.56
$3.53M
Jonathan Jay Mazelsky
6 Aug 2025
President and CEO
Sold after exercise
660
$639.37
$421.99K
Jonathan Jay Mazelsky
6 Aug 2025
President and CEO
Sold after exercise
880
$636.81
$560.39K
Jonathan Jay Mazelsky
6 Aug 2025
President and CEO
Sold after exercise
1,822
$636.15
$1.16M
Jonathan Jay Mazelsky
6 Aug 2025
President and CEO
Sold after exercise
3,526
$635.13
$2.24M
Jonathan Jay Mazelsky
6 Aug 2025
President and CEO
Sold after exercise
3,000
$632.56
$1.90M
Jonathan Jay Mazelsky
6 Aug 2025
President and CEO
Sold after exercise
7,299
$631.61
$4.61M
Jonathan Jay Mazelsky
6 Aug 2025
President and CEO
Sold after exercise
6,056
$630.59
$3.82M
Jonathan Jay Mazelsky
6 Aug 2025
President and CEO
Sold after exercise
3,397
$629.82
$2.14M
Jonathan Jay Mazelsky
6 Aug 2025
President and CEO
Sold after exercise
1,525
$628.27
$958.11K
Jonathan Jay Mazelsky
6 Aug 2025
President and CEO
Sold after exercise
1,095
$626.90
$686.46K
Nimrata Hunt
6 Aug 2025
Executive Vice President
Sold after exercise
1,218
$630.69
$768.18K
Nimrata Hunt
6 Aug 2025
Executive Vice President
Sold after exercise
2,907
$630.91
$1.83M
Nimrata Hunt
6 Aug 2025
Executive Vice President
Sold after exercise
3,018
$629.87
$1.90M
M Anne Szostak
21 May 2025
Director
Sold after exercise indirect
1,260
$512.34
$645.54K
M Anne Szostak
21 May 2025
Director
Sold after exercise
1,046
$513.74
$537.37K
Daniel M Junius
13 May 2025
Director
Sold after exercise
2,683
$506.41
$1.36M
Sophie Vandebroek V.
9 May 2025
Director
Sold after exercise
1,279
$491.34
$628.43K
George Fennell
10 Feb 2025
Executive Vice President
Sold after exercise
9,986
$462.53
$4.62M
James F Polewaczyk
6 Mar 2024
Executive Vice President
Sold after exercise
680
$559.33
$380.35K
James F Polewaczyk
6 Mar 2024
Executive Vice President
Sold after exercise
3,290
$558.88
$1.84M
James F Polewaczyk
6 Mar 2024
Executive Vice President
Sold after exercise
4,134
$557.94
$2.31M
Sophie Vandebroek V.
5 Mar 2024
Director
Sold after exercise
1,404
$562.98
$790.43K
George Fennell
8 Feb 2024
SVP, Chief Revenue Officer
Sold after exercise
412
$575.80
$237.23K
George Fennell
8 Feb 2024
SVP, Chief Revenue Officer
Sold after exercise
3,173
$575.02
$1.82M
George Fennell
8 Feb 2024
SVP, Chief Revenue Officer
Sold after exercise
1,125
$573.98
$645.72K
George Fennell
8 Feb 2024
SVP, Chief Revenue Officer
Sold after exercise
2,279
$572.78
$1.31M
George Fennell
8 Feb 2024
SVP, Chief Revenue Officer
Sold after exercise
1,209
$572.14
$691.71K
Jonathan Jay Mazelsky
7 Feb 2024
President and CEO
Sold after exercise
705
$575.48
$405.71K
Jonathan Jay Mazelsky
7 Feb 2024
President and CEO
Sold after exercise
1,353
$574.75
$777.64K
Jonathan Jay Mazelsky
7 Feb 2024
President and CEO
Sold after exercise
462
$573.19
$264.81K
Jonathan Jay Mazelsky
7 Feb 2024
President and CEO
Sold after exercise
4,124
$572.53
$2.36M
Jonathan Jay Mazelsky
7 Feb 2024
President and CEO
Sold after exercise
5,356
$571.71
$3.06M
Brian P McKeon
7 Feb 2024
EVP, CFO and Treasurer
Sold after exercise
681
$572.80
$390.08K
Brian P McKeon
7 Feb 2024
EVP, CFO and Treasurer
Sold after exercise
7,128
$571.84
$4.08M
Brian P McKeon
7 Feb 2024
EVP, CFO and Treasurer
Sold after exercise
5,675
$570.97
$3.24M
Brian P McKeon
7 Feb 2024
EVP, CFO and Treasurer
Sold after exercise
3,912
$569.91
$2.23M
Brian P McKeon
7 Feb 2024
EVP, CFO and Treasurer
Sold after exercise
1,469
$568.84
$835.63K
Brian P McKeon
7 Feb 2024
EVP, CFO and Treasurer
Sold after exercise
1,564
$567.35
$887.33K
Brian P McKeon
7 Feb 2024
EVP, CFO and Treasurer
Sold after exercise
701
$566.53
$397.14K
Brian P McKeon
7 Feb 2024
EVP, CFO and Treasurer
Sold after exercise
1,581
$564.98
$893.23K
Brian P McKeon
7 Feb 2024
EVP, CFO and Treasurer
Sold after exercise
615
$563.82
$346.75K
James F Polewaczyk
7 Dec 2023
Executive Vice President
Sold after exercise
3,940
$523.56
$2.06M
James F Polewaczyk
7 Dec 2023
Executive Vice President
Sold after exercise
1,202
$522.31
$627.82K
James F Polewaczyk
7 Dec 2023
Executive Vice President
Sold after exercise
3,378
$521.00
$1.76M
James F Polewaczyk
7 Dec 2023
Executive Vice President
Sold after exercise
3,116
$520.19
$1.62M
Jonathan Jay Mazelsky
4 Dec 2023
President and CEO
Sold after exercise
1,324
$513.51
$679.89K
Jonathan Jay Mazelsky
4 Dec 2023
President and CEO
Sold after exercise
5,804
$512.95
$2.98M
Jonathan Jay Mazelsky
31 Aug 2023
President and CEO
Sold after exercise
13,424
$512.01
$6.87M
James F Polewaczyk
29 Aug 2023
Executive Vice President
Sold after exercise
2,887
$511.22
$1.48M
James F Polewaczyk
29 Aug 2023
Executive Vice President
Sold after exercise
7,473
$511.03
$3.82M
James F Polewaczyk
29 Aug 2023
Executive Vice President
Sold after exercise
3,318
$510.47
$1.69M
James F Polewaczyk
29 Aug 2023
Executive Vice President
Sold after exercise
6,186
$510.38
$3.16M
James F Polewaczyk
29 Aug 2023
Executive Vice President
Sold after exercise
2,545
$509.32
$1.30M
James F Polewaczyk
29 Aug 2023
Executive Vice President
Sold after exercise
500
$508.96
$254.48K
Michael Lane
3 Aug 2023
Executive Vice President
Sold after exercise
16,027
$510.00
$8.17M
Jonathan W Ayers
19 May 2023
Director
Sold after exercise
300
$498.48
$149.54K
Jonathan W Ayers
19 May 2023
Director
Sold after exercise
759
$497.66
$377.72K
Jonathan W Ayers
19 May 2023
Director
Sold after exercise
886
$495.94
$439.40K
Jonathan W Ayers
19 May 2023
Director
Sold after exercise
1,229
$494.28
$607.47K
Jonathan W Ayers
19 May 2023
Director
Sold after exercise
1,426
$492.82
$702.76K
Jonathan W Ayers
19 May 2023
Director
Sold after exercise
400
$491.59
$196.64K
Jonathan W Ayers
19 May 2023
Director
Sold after exercise
300
$490.03
$147.01K
Jonathan W Ayers
19 May 2023
Director
Sold after exercise
1,308
$488.77
$639.32K
Jonathan W Ayers
19 May 2023
Director
Sold after exercise
2,254
$487.82
$1.10M
Jonathan W Ayers
19 May 2023
Director
Sold after exercise
1,138
$486.92
$554.12K
Jonathan W Ayers
18 May 2023
Director
Sold after exercise
1,298
$491.91
$638.49K
Jonathan W Ayers
18 May 2023
Director
Sold after exercise
1,695
$490.77
$831.86K
Jonathan W Ayers
18 May 2023
Director
Sold after exercise
2,242
$489.71
$1.10M
Jonathan W Ayers
18 May 2023
Director
Sold after exercise
1,012
$488.63
$494.50K
Jonathan W Ayers
18 May 2023
Director
Sold after exercise
2,753
$487.84
$1.34M
Jonathan W Ayers
18 May 2023
Director
Sold after exercise
1,000
$486.48
$486.48K
Sophie Vandebroek V.
4 May 2023
Director
Sold after exercise
2,187
$469.02
$1.03M
Kathy Turner V
16 Feb 2023
Senior Vice President
Sold after exercise
10
$515.58
$5.16K
Daniel M Junius
16 Feb 2023
Director
Sold after exercise
2,187
$511.68
$1.12M
Kathy Turner V
15 Feb 2023
Senior Vice President
Sold after exercise
1,000
$510.03
$510.03K
Kathy Turner V
14 Feb 2023
Senior Vice President
Sold after exercise
110
$502.81
$55.31K
Kathy Turner V
14 Feb 2023
Senior Vice President
Sold after exercise
577
$504.09
$290.86K
Kathy Turner V
14 Feb 2023
Senior Vice President
Sold after exercise
313
$504.66
$157.96K
Kathy Turner V
14 Feb 2023
Senior Vice President
Sold after exercise
1,000
$505.06
$505.06K
Kathy Turner V
9 Feb 2023
Senior Vice President
Sold after exercise
1,000
$505.04
$505.04K
Daniel M Junius
5 Dec 2022
Director
Sold after exercise
3,046
$424.91
$1.29M
M Anne Szostak
2 Dec 2022
Director
Sold after exercise
740
$428.55
$317.13K
Kathy Turner V
1 Dec 2022
Senior Vice President
Sold after exercise
3,000
$436.00
$1.31M
Jonathan Jay Mazelsky
14 Nov 2022
President & CEO
Sold after exercise
600
$435.88
$261.53K
Jonathan Jay Mazelsky
14 Nov 2022
President & CEO
Sold after exercise
2,543
$435.07
$1.11M
Jonathan Jay Mazelsky
14 Nov 2022
President & CEO
Sold after exercise
6,385
$434.26
$2.77M
Jonathan Jay Mazelsky
14 Nov 2022
President & CEO
Sold after exercise
972
$433.37
$421.24K
Kathy Turner V
11 Nov 2022
Senior Vice President
Sold after exercise
3,000
$436.06
$1.31M
Kathy Turner V
11 Nov 2022
Senior Vice President
Sold after exercise
3,000
$438.00
$1.31M
Kathy Turner V
11 Nov 2022
Senior Vice President
Sold after exercise
2,567
$442.05
$1.13M
Kathy Turner V
10 Nov 2022
Senior Vice President
Sold after exercise
2,630
$405.21
$1.07M
Kathy Turner V
10 Nov 2022
Senior Vice President
Sold after exercise
25
$406.11
$10.15K
Kathy Turner V
10 Nov 2022
Senior Vice President
Sold after exercise
2,655
$410.02
$1.09M
Jonathan Jay Mazelsky
7 Nov 2022
President & CEO
Sold after exercise
392
$385.01
$150.92K
Jonathan Jay Mazelsky
7 Nov 2022
President & CEO
Sold after exercise
3,018
$384.47
$1.16M
Jonathan Jay Mazelsky
7 Nov 2022
President & CEO
Sold after exercise
2,716
$383.29
$1.04M
Jonathan Jay Mazelsky
7 Nov 2022
President & CEO
Sold after exercise
3,704
$382.81
$1.42M
Jonathan Jay Mazelsky
7 Nov 2022
President & CEO
Sold after exercise
500
$380.85
$190.43K
Jonathan Jay Mazelsky
7 Nov 2022
President & CEO
Sold after exercise
2,000
$379.50
$759.00K
Jonathan Jay Mazelsky
7 Nov 2022
President & CEO
Sold after exercise
900
$378.60
$340.74K
Brian P McKeon
12 Nov 2021
Executive VP & CFO
Sold after exercise
2,273
$621.26
$1.41M
Brian P McKeon
12 Nov 2021
Executive VP & CFO
Sold after exercise
6,952
$620.55
$4.31M
Brian P McKeon
10 Nov 2021
Executive VP & CFO
Sold after exercise
872
$629.80
$549.19K
Brian P McKeon
10 Nov 2021
Executive VP & CFO
Sold after exercise
1,375
$628.78
$864.57K
Brian P McKeon
10 Nov 2021
Executive VP & CFO
Sold after exercise
2,974
$627.97
$1.87M
Brian P McKeon
10 Nov 2021
Executive VP & CFO
Sold after exercise
1,813
$626.74
$1.14M
Brian P McKeon
10 Nov 2021
Executive VP & CFO
Sold after exercise
2,326
$625.46
$1.45M
Brian P McKeon
10 Nov 2021
Executive VP & CFO
Sold after exercise
2,142
$624.53
$1.34M
Brian P McKeon
10 Nov 2021
Executive VP & CFO
Sold after exercise
1,493
$623.34
$930.65K
Brian P McKeon
10 Nov 2021
Executive VP & CFO
Sold after exercise
5,743
$622.36
$3.57M
Brian P McKeon
10 Nov 2021
Executive VP & CFO
Sold after exercise
1,262
$621.40
$784.20K
Brian P McKeon
9 Nov 2021
Executive VP & CFO
Sold after exercise
607
$631.01
$383.02K
Brian P McKeon
9 Nov 2021
Executive VP & CFO
Sold after exercise
5,703
$630.13
$3.59M
Brian P McKeon
8 Nov 2021
Executive VP & CFO
Sold after exercise
110
$632.19
$69.54K
Brian P McKeon
8 Nov 2021
Executive VP & CFO
Sold after exercise
743
$631.39
$469.12K
Brian P McKeon
8 Nov 2021
Executive VP & CFO
Sold after exercise
971
$630.39
$612.11K
Brian P McKeon
8 Nov 2021
Executive VP & CFO
Sold after exercise
2,094
$629.63
$1.32M
Brian P McKeon
8 Nov 2021
Executive VP & CFO
Sold after exercise
2,356
$628.19
$1.48M
Brian P McKeon
8 Nov 2021
Executive VP & CFO
Sold after exercise
1,326
$627.41
$831.94K
Brian P McKeon
8 Nov 2021
Executive VP & CFO
Sold after exercise
1,100
$626.47
$689.12K
Brian P McKeon
8 Nov 2021
Executive VP & CFO
Sold after exercise
1,300
$625.25
$812.82K
Kathy Turner V
30 Aug 2021
Senior Vice President
Sold after exercise
1,250
$689.00
$861.25K
Kathy Turner V
30 Aug 2021
Senior Vice President
Sold after exercise
1,000
$685.00
$685.00K
Kathy Turner V
27 Aug 2021
Senior Vice President
Sold after exercise
276
$678.00
$187.13K
Daniel M Junius
10 Aug 2021
Director
Sold after exercise
2,402
$679.58
$1.63M
Showing 250 of 739 transactions. The figures above use every one of them.

What was left out

Form 4 filings counted 566
Amendments (4/A) skipped 7
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 473
Sales at will 184
Transactions with no price 0
Shares from compensation/vesting 5,006,061
Sales filed before the plan box existed 165
History held since 1 Nov 2006