List of insiders holdings for IDEXX LABORATORIES INC:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | AYERS JONATHAN W Director | 2024-09-09 16:20:19 | 35,651 122,605 | 158,256 | Form 4 |
| 2 | MAZELSKY JONATHAN JAY President and CEO | 2025-02-18 21:43:38 | 112,588 0 | 112,588 | Form 4 |
| 3 | Williams Michael J PhD Executive Vice President | 2016-08-15 18:05:05 | 59,113 0 | 59,113 | Form 4 |
| 4 | MCKEON BRIAN P EVP, CFO and Treasurer | 2025-02-18 21:44:17 | 33,362 18,050 | 51,412 | Form 4 |
| 5 | FRATONI S SAM Corporate Vice President | 2009-02-02 11:34:41 | 49,056 2,100 | 51,156 | Form 5 |
| 6 | BROWN WILLIAM E III Executive Vice President | 2013-02-19 19:22:11 | 50,060 0 | 50,060 | Form 4 |
| 7 | MOODY JAMES L JR Director | 2005-05-03 16:23:31 | 48,716 0 | 48,716 | Form 4 |
| 8 | MURRAY ROBERT J Director | 2015-05-08 13:57:21 | 36,347 9,587 | 45,934 | Form 4 |
| 9 | RAINES MERILEE Executive VP & CFO | 2013-02-27 11:59:56 | 44,612 0 | 44,612 | Form 4 |
| 10 | Dupree Thomas J Corporate Vice President | 2011-02-22 17:24:54 | 43,564 0 | 43,564 | Form 4 |
| 11 | HULSY ROBERT S Corporate Vice President | 2007-03-20 09:58:06 | 39,740 0 | 39,740 | Form 4 |
| 12 | POWERS JOHNNY D Executive Vice President | 2015-12-08 18:11:00 | 38,557 0 | 38,557 | Form 4 |
| 13 | GOODSPEED WILLIAM B. Corporate Vice President | 2011-04-28 16:17:58 | 34,720 0 | 34,720 | Form 4 |
| 14 | END WILLIAM T Director | 2018-05-11 18:59:53 | 31,786 0 | 31,786 | Form 4 |
| 15 | Erickson Michael G Executive Vice President | 2025-02-18 21:42:49 | 30,404 0 | 30,404 | Form 4 |
| 16 | Kerr Irene C Corporate Vice President | 2008-02-19 17:29:50 | 28,421 0 | 28,421 | Form 4 |
| 17 | WALLEN WILLIAM C Senior VP & CSO | 2010-02-17 16:01:16 | 28,198 0 | 28,198 | Form 4 |
| 18 | CRAIG THOMAS Director | 2017-05-01 18:02:19 | 24,471 0 | 24,471 | Form 4 |
| 19 | TWIGGE GIOVANI Senior Vice President | 2022-02-25 17:01:30 | 24,113 0 | 24,113 | Form 4 |
| 20 | TONELLI QUENTIN J Corporate Vice President | 2007-05-24 14:04:56 | 23,819 0 | 23,819 | Form 4 |
| 21 | Hunt Nimrata Executive Vice President | 2025-02-18 21:43:08 | 21,853 160 | 22,013 | Form 4 |
| 22 | Meyaard Daniel V Corporate Vice President | 2013-02-19 19:27:03 | 22,000 0 | 22,000 | Form 4 |
| 23 | DEADY CONAN R Corp VP and General Counsel | 2013-03-07 17:31:53 | 19,007 0 | 19,007 | Form 4 |
| 24 | NAQUI ALI Corporate Vice President | 2013-05-13 16:19:23 | 17,513 0 | 17,513 | Form 4 |
| 25 | Lane Michael Executive Vice President | 2025-02-18 21:43:29 | 16,655 592 | 17,247 | Form 4 |
| 26 | Emerson Andrew EVP, CFO and Treasurer | 2025-03-10 19:12:33 | 16,270 0 | 16,270 | Form 3 |
| 27 | Turner Kathy V Senior Vice President | 2023-02-17 17:04:54 | 14,842 100 | 14,942 | Form 4 |
| 28 | HENDERSON REBECCA M Director | 2021-02-25 19:35:26 | 14,696 0 | 14,696 | Form 4 |
| 29 | FENNELL GEORGE Executive Vice President | 2025-02-18 21:42:58 | 13,379 0 | 13,379 | Form 4 |
| 30 | Underberg Sharon E. EVP, GC & Corporate Secretary | 2025-02-18 21:44:07 | 13,085 0 | 13,085 | Form 4 |
| 31 | POLEWACZYK JAMES F Executive Vice President | 2024-03-07 17:00:38 | 12,074 0 | 12,074 | Form 4 |
| 32 | POLLOCK LOUIS W Senior Vice President | 2004-01-30 17:00:29 | 11,577 0 | 11,577 | Form 4 |
| 33 | Schreck Michael Executive Vice President | 2025-02-18 21:43:47 | 11,319 0 | 11,319 | Form 4 |
| 34 | Smith Martin Alexander Executive Vice President | 2025-02-18 21:43:57 | 10,824 0 | 10,824 | Form 4 |
| 35 | Kingsley Lawrence D Director | 2025-05-08 19:01:17 | 10,360 0 | 10,360 | Form 4 |
| 36 | Vandebroek Sophie V. Director | 2025-05-13 17:00:17 | 1,167 8,173 | 9,340 | Form 4 |
| 37 | BLANCHE WILLARD R JR CHIEF FINANCIAL OFFICER | 2013-05-20 10:36:22 | 8,711 0 | 8,711 | Form 3 |
| 38 | LABAUVE LAUREL E Vice President | 2006-02-16 14:39:44 | 8,015 0 | 8,015 | Form 4 |
| 39 | DESOUZA ERROL B Director | 2009-05-01 14:46:02 | 7,276 0 | 7,276 | Form 4 |
| 40 | JOINER JENNIFER A Vice President | 2006-02-16 14:14:45 | 6,412 0 | 6,412 | Form 4 |
| 41 | Johnson Michael Perkins Executive Vice President | 2025-02-18 21:43:18 | 6,098 0 | 6,098 | Form 4 |
| 42 | VUMBACCO JOSEPH V Director | 2012-08-13 13:06:37 | 5,169 0 | 5,169 | Form 4 |
| 43 | Studer Jacqueline CVP, Gen. Counsel & Secretary | 2019-02-27 17:24:52 | 5,097 0 | 5,097 | Form 4 |
| 44 | Fiarman Jeffrey EVP, GEN COUNSEL & SECRETARY | 2014-06-03 16:50:54 | 4,268 0 | 4,268 | Form 4 |
| 45 | JOHNSON BARRY C Director | 2016-08-16 18:00:21 | 3,560 0 | 3,560 | Form 4 |
| 46 | JUNIUS DANIEL M Director | 2025-05-14 17:00:15 | 3,304 0 | 3,304 | Form 4 |
| 47 | ESSIG STUART Director | 2025-05-08 19:00:53 | 3,093 0 | 3,093 | Form 4 |
| 48 | CHADBOURNE JEFFERY D PRINCIPAL ACCOUNTING OFFICER | 2013-05-20 10:34:23 | 2,512 0 | 2,512 | Form 3 |
| 49 | SZOSTAK M ANNE Director | 2025-05-23 17:00:20 | 262 1,801 | 2,063 | Form 4 |
| 50 | COLLINS Asha Director | 2024-05-08 19:01:21 | 1,650 0 | 1,650 | Form 4 |
| 51 | Britt Irene Chang Director | 2025-05-08 19:00:32 | 857 0 | 857 | Form 4 |
| 52 | Claflin Bruce L. Director | 2025-05-08 19:00:42 | 857 0 | 857 | Form 4 |
| 53 | SAMAD SAM Director | 2025-05-08 19:01:27 | 857 0 | 857 | Form 4 |
| 54 | GOOD MARY L PHD Director | 2005-05-03 16:36:41 | 622 0 | 622 | Form 4 |