| Insiders | Shares | % | Avg Price | Total $ | |
|---|---|---|---|---|---|
| Buys | 0 | ||||
| Sells | 9 | -115,707 | 100% | $639.15 | -$73,954,467 |
| Net | -9 | -115,707 | -100% | -$73,954,467 |
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Report Date |
|---|---|---|---|---|---|
| Jonathan W. Ayers | Director | $271,217,396 | 06 Sep 2024 | ||
| Jonathan Jay Mazelsky | President and CEO, Director | $43,342,160 | -$33,829,723 | -44% | 26 Feb 2026 |
| Brian P. McKeon | EVP, CFO and Treasurer | $22,445,917 | 14 Feb 2025 | ||
| Nimrata Hunt | Executive Vice President | $12,016,938 | -$14,817,125 | -55% | 03 Mar 2026 |
| Giovani Twigge | Senior Vice President | $10,643,626 | 23 Feb 2022 | ||
| Michael G. Erickson | Executive Vice President | $9,852,129 | -$3,633,480 | -27% | 17 Feb 2026 |
| George Fennell | Executive Vice President | $6,527,958 | -$7,336,993 | -53% | 12 Feb 2026 |
| James F. Polewaczyk | Executive Vice President | $6,361,104 | 06 Mar 2024 | ||
| Sophie Vandebroek V | Director | $6,254,025 | -$1,548,718 | -20% | 17 Feb 2026 |
| Michael Lane | Executive Vice President | $5,874,779 | -$5,279,893 | -47% | 12 Feb 2026 |
| Sharon E. Underberg | EVP, GC & Corporate Secretary | $4,920,244 | -$3,551,220 | -42% | 03 Mar 2026 |
| Kathy Turner V | Senior Vice President | $4,360,647 | 15 Feb 2023 | ||
| Lawrence D. Kingsley | Director | $3,523,909 | 06 May 2025 | ||
| Andrew Emerson | EVP, CFO and Treasurer | $2,657,395 | 12 Feb 2026 | ||
| Michael Schreck | Executive Vice President | $2,345,290 | 12 Feb 2026 | ||
| Michael P. Johnson | Executive Vice President | $1,996,660 | 12 Feb 2026 | ||
| Martin A. Smith | Executive Vice President | $1,758,704 | 12 Feb 2026 | ||
| Daniel M. Junius | Director | $1,673,177 | -$1,358,697 | -45% | 13 May 2025 |
| Bruce L. Claflin | Director | $1,413,420 | 07 May 2025 | ||
| SZOSTAK M ANNE | Director | $1,187,505 | -$2,598,617 | -69% | 22 Aug 2025 |
| Stuart Essig | Director | $853,771 | 06 May 2025 | ||
| Sam Samad | Director | $482,703 | 07 May 2025 | ||
| Asha Collins | Director | $435,719 | 06 May 2024 | ||
| Irene Chang Britt | Director | $262,886 | 07 May 2025 | ||
| Joseph L. Hooley | Director | $50,284 | 30 Jan 2026 | ||
| Karen Peacock | Director | $638 | 01 Dec 2025 |
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Sharon E. Underberg | IDXX | Common Stock | Options Exercise | 2.84% | 197 | 7,138 | 03 Mar 2026 | Direct | ||
| Sharon E. Underberg | IDXX | Incentive Stock Option (right-to-buy) | Options Exercise | -100% | -197 | 0 | 03 Mar 2026 | Direct | ||
| Nimrata Hunt | IDXX | Common Stock | Sale | -8.83% | $1,115,577 | $634.57 | -1,758 | 18,141 | 03 Mar 2026 | Direct |
| Jonathan Jay Mazelsky | IDXX | Common Stock | Options Exercise | 0.24% | 197 | 83,803 | 27 Feb 2026 | Direct | ||
| Jonathan Jay Mazelsky | IDXX | Incentive Stock Option (right-to-buy) | Options Exercise | -100% | -197 | 0 | 27 Feb 2026 | Direct | ||
| Jonathan Jay Mazelsky | IDXX | Common Stock | Sale | -21.8% | $15,338,081 | $657.55 | -23,326 | 83,606 | 26 Feb 2026 | Direct |
| Jonathan Jay Mazelsky | IDXX | Common Stock | Options Exercise | 27.9% | 23,326 | 106,932 | 26 Feb 2026 | Direct | ||
| Jonathan Jay Mazelsky | IDXX | Non-Qualified Stock Option (right-to-buy) | Options Exercise | -100% | -23,326 | 0 | 26 Feb 2026 | Direct | ||
| Nimrata Hunt | IDXX | Common Stock | Sale | -11.9% | $1,781,531 | $661.54 | -2,693 | 19,899 | 26 Feb 2026 | Direct |
| Michael G. Erickson | IDXX | Common Stock | Options Exercise | 18.9% | 2,399 | 15,092 | 19 Feb 2026 | Direct | ||
| Michael G. Erickson | IDXX | Incentive Stock Option (right-to-buy) | Options Exercise | -100% | -2,399 | 0 | 19 Feb 2026 | Direct | ||
| Michael G. Erickson | IDXX | Common Stock | Sale | -29.7% | $3,369,666 | $627.38 | -5,371 | 12,693 | 17 Feb 2026 | Direct |
| Michael G. Erickson | IDXX | Common Stock | Options Exercise | 42.3% | 5,371 | 18,064 | 17 Feb 2026 | Direct | ||
| Michael G. Erickson | IDXX | Non-Qualified Stock Option (right-to-buy) | Options Exercise | -100% | -5,371 | 0 | 17 Feb 2026 | Direct | ||
| Sophie Vandebroek V | IDXX | Common Stock | Sale | -69.3% | $920,293 | $628.62 | -1,464 | 648 | 17 Feb 2026 | Direct |
| Sophie Vandebroek V | IDXX | Common Stock | Options Exercise | 81% | 945 | 2,112 | 17 Feb 2026 | Direct | ||
| Sophie Vandebroek V | IDXX | Non-Qualified Stock Option (right-to-buy) | Options Exercise | -100% | -945 | 0 | 17 Feb 2026 | Direct | ||
| Sharon E. Underberg | IDXX | Common Stock | Tax liability | -3.49% | -251 | 6,941 | 14 Feb 2026 | Direct | ||
| Sharon E. Underberg | IDXX | Common Stock | Options Exercise | 13.1% | 832 | 7,192 | 14 Feb 2026 | Direct | ||
| Sharon E. Underberg | IDXX | Restricted Stock Unit | Options Exercise | -100% | -832 | 0 | 14 Feb 2026 | Direct | ||
| Martin A. Smith | IDXX | Common Stock | Tax liability | -12.3% | -302 | 2,157 | 14 Feb 2026 | Direct | ||
| Martin A. Smith | IDXX | Common Stock | Options Exercise | 69% | 1,004 | 2,459 | 14 Feb 2026 | Direct | ||
| Martin A. Smith | IDXX | Restricted Stock Unit | Options Exercise | -100% | -1,004 | 0 | 14 Feb 2026 | Direct | ||
| Michael Schreck | IDXX | Common Stock | Tax liability | -22.1% | -876 | 3,089 | 14 Feb 2026 | Direct | ||
| Michael Schreck | IDXX | Common Stock | Options Exercise | 97.7% | 1,959 | 3,965 | 14 Feb 2026 | Direct | ||
| Michael Schreck | IDXX | Restricted Stock Unit | Options Exercise | -100% | -1,959 | 0 | 14 Feb 2026 | Direct | ||
| Jonathan Jay Mazelsky | IDXX | Common Stock | Tax liability | -1.08% | -915 | 83,606 | 14 Feb 2026 | Direct | ||
| Jonathan Jay Mazelsky | IDXX | Common Stock | Options Exercise | 2.49% | 2,057 | 84,521 | 14 Feb 2026 | Direct | ||
| Jonathan Jay Mazelsky | IDXX | Restricted Stock Unit | Options Exercise | -100% | -2,057 | 0 | 14 Feb 2026 | Direct | ||
| Michael Lane | IDXX | Common Stock | Tax liability | -2.68% | -221 | 8,024 | 14 Feb 2026 | Direct | ||
| Michael Lane | IDXX | Common Stock | Options Exercise | 15.3% | 1,092 | 8,245 | 14 Feb 2026 | Direct | ||
| Michael Lane | IDXX | Restricted Stock Unit | Options Exercise | -100% | -1,092 | 0 | 14 Feb 2026 | Direct | ||
| Michael P. Johnson | IDXX | Common Stock | Tax liability | -5.99% | -178 | 2,795 | 14 Feb 2026 | Direct | ||
| Michael P. Johnson | IDXX | Common Stock | Options Exercise | 23.9% | 573 | 2,973 | 14 Feb 2026 | Direct | ||
| Michael P. Johnson | IDXX | Restricted Stock Unit | Options Exercise | -76.5% | -573 | 176 | 14 Feb 2026 | Direct | ||
| Nimrata Hunt | IDXX | Common Stock | Tax liability | -4.86% | -1,154 | 22,592 | 14 Feb 2026 | Direct | ||
| Nimrata Hunt | IDXX | Common Stock | Options Exercise | 12.2% | 2,587 | 23,746 | 14 Feb 2026 | Direct | ||
| Nimrata Hunt | IDXX | Restricted Stock Unit | Options Exercise | -100% | -2,587 | 0 | 14 Feb 2026 | Direct | ||
| George Fennell | IDXX | Common Stock | Tax liability | -1.94% | -199 | 10,078 | 14 Feb 2026 | Direct | ||
| George Fennell | IDXX | Common Stock | Options Exercise | 4.62% | 454 | 10,277 | 14 Feb 2026 | Direct | ||
| George Fennell | IDXX | Restricted Stock Unit | Options Exercise | -100% | -454 | 0 | 14 Feb 2026 | Direct | ||
| Andrew Emerson | IDXX | Common Stock | Tax liability | -2.83% | -123 | 4,222 | 14 Feb 2026 | Direct | ||
| Andrew Emerson | IDXX | Common Stock | Options Exercise | 11.7% | 456 | 4,345 | 14 Feb 2026 | Direct | ||
| Andrew Emerson | IDXX | Restricted Stock Unit | Options Exercise | -100% | -391 | 0 | 14 Feb 2026 | Direct | ||
| Michael G. Erickson | IDXX | Incentive Stock Option (right-to-buy) | Award | 162 | 162 | 12 Feb 2026 | Direct | |||
| Michael G. Erickson | IDXX | Non-Qualified Stock Option (right-to-buy) | Award | 13,667 | 13,667 | 12 Feb 2026 | Direct | |||
| Sharon E. Underberg | IDXX | Restricted Stock Unit | Award | 891 | 891 | 12 Feb 2026 | Direct | |||
| Sharon E. Underberg | IDXX | Incentive Stock Option (right-to-buy) | Award | 162 | 162 | 12 Feb 2026 | Direct | |||
| Sharon E. Underberg | IDXX | Non-Qualified Stock Option (right-to-buy) | Award | 3,738 | 3,738 | 12 Feb 2026 | Direct | |||
| Martin A. Smith | IDXX | Restricted Stock Unit | Award | 2,882 | 1,620 | 12 Feb 2026 | Direct |