Insider trading

Period: 120 months Stock: IDXX Role: Directors × + Add filter Clear all
Views & alerts

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When

Period

How far back the list reaches. Filings arrive days after the trade, so the newest rows always lag a little.

97 decisions over 120 months
Who

Role

The position the person holds at the company, read from the title on the filing. A chief executive who is also a director counts as the chief executive.

97 decisions over 120 months Remove this filter
The trade

Type of trade

Purchases, sales, or cluster buys: companies where 3 or more insiders bought within 30 days. The number beside each is what that choice would give.

97 decisions over 120 months
The trade

Minimum amount

Hides rows under this value. The amount is the shares traded times the price on the filing.

97 decisions over 120 months
The trade

Plan

  • Discretionary: they chose to sell that week.
  • Scheduled: a 10b5-1 plan fixed the sale months in advance, so the timing says nothing about what they knew.
  • Not stated: filed before the SEC added the box in April 2023, which is most of the older half of this database.
97 decisions over 120 months
The trade

Share of their own holding

How much of what they already held the trade moved. Selling a tenth of a stake is not the same act as selling all of it.

At least
97 decisions over 120 months
Ownership

What the chief executive holds

The value of the chief executive’s stock measured against base salary. The salary comes from the company’s own proxy. Companies with no figure are in neither direction.

97 decisions over 120 months
Stock
Insider
Type ?
Why it stands out
4 Sep 2026
Sold at will
$1.17M 2,203 at 532.08
18.7%
Not planned
17 Feb 2026
Sold at will 2×
$920.29K 1,464 at 628.62
69.3%
Sold half or more
22 Aug 2025
SZOSTAK M ANNE Director
Sold at will
$1.42M 2,187 at 647.33
89.3%
Sold half or more
21 May 2025
SZOSTAK M ANNE Director · indirect
Sold at will
$645.54K 1,260 at 512.34
41.2%
Not planned
21 May 2025
SZOSTAK M ANNE Director
Sold at will
$537.37K 1,046 at 513.74
80.0%
Sold half or more
13 May 2025
JUNIUS DANIEL M Director
Sold at will
$1.36M 2,683 at 506.41
44.8%
Not planned
9 May 2025
Sold at will
$628.43K 1,279 at 491.34
52.3%
Sold half or more
7 Feb 2025
SZOSTAK M ANNE Director · indirect
Sold at will
$1.40M 3,000 at 465.95
49.5%
Not planned
27 Nov 2024
Sold at will
$144.63K 344 at 420.44
27.5%
Not planned
6 Sep 2024
SZOSTAK M ANNE Director · indirect
Sold at will
$234.69K 500 at 469.37
100%
Sold half or more
17 May 2024
Claflin Bruce L. Director
Sold at will
$108.16K 200 at 540.80
55.4%
Sold half or more
5 Mar 2024
Sold at will
$790.43K 1,404 at 562.98
53.6%
Sold half or more
15 Aug 2023
AYERS JONATHAN W Director
Sold at will
$0.00 492 at 0.00
0.4%
Not planned
19 May 2023
AYERS JONATHAN W Director
Sold at will 10×
$4.91M 10,000 at 491.35
6.8%
Not planned
18 May 2023
AYERS JONATHAN W Director
Sold at will 6×
$4.89M 10,000 at 489.23
6.8%
Not planned
5 May 2023
SZOSTAK M ANNE Director · indirect
Sold at will 3×
$949.79K 2,000 at 474.89
29.9%
Not planned
4 May 2023
Sold at will
$1.03M 2,187 at 469.02
71.5%
Sold half or more
16 Feb 2023
JUNIUS DANIEL M Director
Sold, plan not stated
$1.12M 2,187 at 511.68
42.3%
5 Dec 2022
JUNIUS DANIEL M Director
Sold, plan not stated
$1.29M 3,046 at 424.91
50.6%
Sold half or more
2 Dec 2022
SZOSTAK M ANNE Director
Sold, plan not stated
$317.13K 740 at 428.55
37.0%
15 Feb 2022
AYERS JONATHAN W Director
Sold, plan not stated
$127.43K 250 at 509.70
0.0%
10 Aug 2021
JUNIUS DANIEL M Director
Sold, plan not stated
$1.63M 2,402 at 679.58
45.3%
6 Aug 2021
SZOSTAK M ANNE Director · indirect
Sold, plan not stated 10×
$2.06M 3,000 at 687.87
29.4%
28 May 2021
AYERS JONATHAN W Director
Sold, plan not stated 5×
$5.32M 9,460 at 562.26
1.4%
25 May 2021
AYERS JONATHAN W Director
Sold, plan not stated 2×
$2.76M 5,000 at 552.17
0.8%
24 May 2021
AYERS JONATHAN W Director
Sold, plan not stated
$2.73M 5,000 at 546.98
0.8%
21 May 2021
JUNIUS DANIEL M Director
Sold, plan not stated
$1.35M 2,500 at 539.57
46.4%
20 May 2021
AYERS JONATHAN W Director
Sold, plan not stated 3×
$2.69M 5,000 at 537.06
0.8%
18 May 2021
AYERS JONATHAN W Director
Sold, plan not stated
$4.03M 7,632 at 528.01
1.2%
10 May 2021
AYERS JONATHAN W Director
Sold, plan not stated 2×
$277.00K 512 at 541.02
0.1%
23 Feb 2021
Sold, plan not stated
$1.56M 3,046 at 513.41
17.2%
22 Feb 2021
JUNIUS DANIEL M Director
Sold, plan not stated 2×
$1.02M 1,898 at 538.57
39.8%
18 Feb 2021
AYERS JONATHAN W Director
Sold, plan not stated
$555.56K 1,000 at 555.56
0.2%
16 Feb 2021
Claflin Bruce L. Director
Sold, plan not stated 2×
$3.94M 7,331 at 536.91
100%
Sold half or more
12 Feb 2021
Sold, plan not stated
$1.64M 3,046 at 538.20
47.8%
4 Feb 2021
SZOSTAK M ANNE Director · indirect
Sold, plan not stated 5×
$5.82M 11,876 at 489.71
100%
Sold half or more
10 Nov 2020
Sold, plan not stated 2×
$2.57M 5,902 at 435.91
28.7%
6 Nov 2020
AYERS JONATHAN W Director
Sold, plan not stated 5×
$3.04M 6,470 at 470.01
0.9%
5 Nov 2020
AYERS JONATHAN W Director
Sold, plan not stated 9×
$7.07M 15,134 at 467.16
2.1%
4 Nov 2020
AYERS JONATHAN W Director
Sold, plan not stated 14×
$5.40M 11,440 at 471.90
1.5%
3 Nov 2020
AYERS JONATHAN W Director
Sold, plan not stated 8×
$4.63M 10,432 at 443.63
1.4%
2 Nov 2020
AYERS JONATHAN W Director
Sold, plan not stated 10×
$4.33M 10,000 at 433.01
1.3%
20 Aug 2020
AYERS JONATHAN W Director
Sold, plan not stated 5×
$6.89M 18,000 at 382.62
2.2%
20 Aug 2020
JUNIUS DANIEL M Director
Sold, plan not stated
$1.42M 3,722 at 382.61
56.7%
Sold half or more
18 Aug 2020
AYERS JONATHAN W Director
Sold, plan not stated 5×
$7.69M 20,000 at 384.46
2.4%
18 Aug 2020
Claflin Bruce L. Director
Sold, plan not stated
$2.17M 5,629 at 385.11
94.9%
Sold half or more
17 Aug 2020
AYERS JONATHAN W Director
Sold, plan not stated 3×
$7.64M 19,940 at 383.28
2.4%
14 Aug 2020
AYERS JONATHAN W Director
Sold, plan not stated 6×
$9.40M 24,800 at 379.23
3.0%
14 Aug 2020
Claflin Bruce L. Director
Sold, plan not stated
$420.05K 1,111 at 378.08
78.5%
Sold half or more
29 May 2020
SZOSTAK M ANNE Director · indirect
Sold, plan not stated 3×
$2.37M 7,722 at 306.91
100%
Sold half or more
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