IDXX Idexx Laboratories
Nasdaq · SEC CIK 874716 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $37.66M 8 sales by 6 insiders
- Filings on record
- 261 since 2021-08-03, latest 2026-09-09 17:00
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| MAZELSKY JONATHAN JAY | Pres, CEO, Dir | — | $15.34M |
| Hunt Nimrata | EVP | — | $9.53M |
| FENNELL GEORGE | EVP | — | $7.34M |
| Erickson Michael G | EVP | — | $3.37M |
| Kingsley Lawrence D | Dir | — | $1.17M |
| Vandebroek Sophie V. | Dir | — | $920.3K |
| Emerson Andrew | EVP, CFO, Treas | — | — |
| Schreck Michael | EVP | — | — |
| Johnson Michael Perkins | EVP | — | — |
| Peacock Karen | Dir | — | — |
Transactions 344
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-09-09 17:00 | 2026-09-04 | IDXX | Kingsley Lawrence D | Dir | M - OptEx | $114.17 | +2,203 | 11.8K | +23% | +$251.5K |
| D | 2026-09-09 17:00 | 2026-09-04 | IDXX | Kingsley Lawrence D | Dir | S - Sale+OE | $532.08 | -2,203 | 9,568 | -19% | -$1.17M |
| D | 2026-08-24 17:00 | 2026-08-20 | IDXX | Emerson Andrew | EVP, CFO, Treas | M - OptEx | $178.26 | +265 | 4,507 | +6% | +$47.2K |
| D | 2026-08-24 17:00 | 2026-08-20 | IDXX | Emerson Andrew | EVP, CFO, Treas | F - Tax | $0.00 | -86 | 4,421 | -2% | $0 |
| 2026-08-03 17:00 | 2026-07-30 | IDXX | HOOLEY JOSEPH L | Dir | A - Grant | $558.80 | +49 | 325 | +18% | +$27.4K | |
| D | 2026-06-02 17:00 | 2026-06-01 | IDXX | FENNELL GEORGE | EVP | M - OptEx | $0.00 | +639 | 10.7K | +6% | $0 |
| D | 2026-06-02 17:00 | 2026-06-01 | IDXX | FENNELL GEORGE | EVP | F - Tax | $566.79 | -284 | 10.4K | -3% | -$161.0K |
| D | 2026-05-11 17:11 | 2026-05-07 | IDXX | Vandebroek Sophie V. | Dir | M - OptEx | $0.00 | +257 | 905 | +40% | $0 |
| D | 2026-05-11 17:10 | 2026-05-07 | IDXX | SZOSTAK M ANNE | Dir | M - OptEx | $0.00 | +257 | 519 | +98% | $0 |
| D | 2026-05-11 17:10 | 2026-05-07 | IDXX | Peacock Karen | Dir | M - OptEx | $0.00 | +101 | 102 | +10,100% | $0 |
| DM | 2026-05-11 17:10 | 2026-05-07 | IDXX | Kingsley Lawrence D | Dir | M - OptEx | $0.00 | +339 | 9,568 | +4% | $0 |
| D | 2026-05-11 17:10 | 2026-05-07 | IDXX | JUNIUS DANIEL M | Dir | M - OptEx | $0.00 | +257 | 3,561 | +8% | $0 |
| D | 2026-05-11 17:10 | 2026-05-07 | IDXX | HOOLEY JOSEPH L | Dir | M - OptEx | $0.00 | +158 | 276 | +134% | $0 |
| 2026-05-04 17:00 | 2026-04-30 | IDXX | HOOLEY JOSEPH L | Dir | A - Grant | $560.80 | +43 | 118 | +57% | +$24.1K | |
| D | 2026-03-05 | 2026-03-03 | IDXX | Underberg Sharon E. | EVP, GC, Corp. Sec | M - OptEx | $505.53 | +197 | 7,138 | +3% | +$99.6K |
| 2026-03-05 | 2026-03-03 | IDXX | Hunt Nimrata | EVP | S - Sale | $634.57 | -1,758 | 18.1K | -9% | -$1.12M | |
| DM | 2026-03-02 | 2026-02-26 | IDXX | MAZELSKY JONATHAN JAY | Pres, CEO, Dir | S - Sale+OE | $657.55 | -23.3K | 91.3K | -20% | -$15.34M |
| DM | 2026-03-02 | 2026-02-26+ | IDXX | MAZELSKY JONATHAN JAY | Pres, CEO, Dir | M - OptEx | $144.65 | +23.5K | 83.8K | +39% | +$3.40M |
| 2026-02-27 | 2026-02-26 | IDXX | Hunt Nimrata | EVP | S - Sale | $661.54 | -2,693 | 19.9K | -12% | -$1.78M | |
| D | 2026-02-19 | 2026-02-17 | IDXX | Vandebroek Sophie V. | Dir | M - OptEx | $333.90 | +945 | 2,112 | +81% | +$315.5K |
| DM | 2026-02-19 | 2026-02-17 | IDXX | Vandebroek Sophie V. | Dir | S - Sale+OE | $628.62 | -1,464 | 648 | -69% | -$920.3K |
| DM | 2026-02-19 | 2026-02-17+ | IDXX | Erickson Michael G | EVP | M - OptEx | $187.94 | +7,770 | 14.7K | +112% | +$1.46M |
| DM | 2026-02-19 | 2026-02-17 | IDXX | Erickson Michael G | EVP | S - Sale+OE | $627.38 | -5,371 | 12.7K | -30% | -$3.37M |
| DM | 2026-02-17 | 2026-02-14 | IDXX | Emerson Andrew | EVP, CFO, Treas | M - OptEx | $0.00 | +456 | 4,044 | +13% | $0 |
| D | 2026-02-17 | 2026-02-14 | IDXX | Emerson Andrew | EVP, CFO, Treas | F - Tax | $629.35 | -123 | 4,222 | -3% | -$77.4K |
| DM | 2026-02-17 | 2026-02-14 | IDXX | Smith Martin Alexander | EVP | M - OptEx | $0.00 | +1,004 | 1,603 | +168% | $0 |
| D | 2026-02-17 | 2026-02-14 | IDXX | Smith Martin Alexander | EVP | F - Tax | $629.35 | -302 | 2,157 | -12% | -$190.1K |
| D | 2026-02-17 | 2026-02-14 | IDXX | Erickson Michael G | EVP | F - Tax | $629.35 | -974 | 12.7K | -7% | -$613.0K |
| DM | 2026-02-17 | 2026-02-14 | IDXX | Erickson Michael G | EVP | M - OptEx | $0.00 | +2,363 | 11.4K | +26% | $0 |
| D | 2026-02-17 | 2026-02-14 | IDXX | MAZELSKY JONATHAN JAY | Pres, CEO, Dir | F - Tax | $629.35 | -915 | 83.6K | -1% | -$575.9K |
| DM | 2026-02-17 | 2026-02-14 | IDXX | MAZELSKY JONATHAN JAY | Pres, CEO, Dir | M - OptEx | $0.00 | +2,057 | 83.4K | +3% | $0 |
| DM | 2026-02-17 | 2026-02-14 | IDXX | Underberg Sharon E. | EVP, GC, Corp. Sec | M - OptEx | $0.00 | +832 | 7,192 | +13% | $0 |
| D | 2026-02-17 | 2026-02-14 | IDXX | Underberg Sharon E. | EVP, GC, Corp. Sec | F - Tax | $629.35 | -251 | 6,941 | -3% | -$158.0K |
| D | 2026-02-17 | 2026-02-14 | IDXX | Hunt Nimrata | EVP | F - Tax | $629.35 | -1,154 | 22.6K | -5% | -$726.3K |
| DM | 2026-02-17 | 2026-02-14 | IDXX | Hunt Nimrata | EVP | M - OptEx | $0.00 | +2,587 | 21.6K | +14% | $0 |
| DM | 2026-02-17 | 2026-02-14 | IDXX | Lane Michael | EVP | M - OptEx | $0.00 | +1,092 | 7,577 | +17% | $0 |
| D | 2026-02-17 | 2026-02-14 | IDXX | Lane Michael | EVP | F - Tax | $629.35 | -221 | 8,024 | -3% | -$139.1K |
| D | 2026-02-17 | 2026-02-14 | IDXX | FENNELL GEORGE | EVP | F - Tax | $629.35 | -199 | 10.1K | -2% | -$125.2K |
| DM | 2026-02-17 | 2026-02-14 | IDXX | FENNELL GEORGE | EVP | M - OptEx | $0.00 | +454 | 9,878 | +5% | $0 |
| D | 2026-02-17 | 2026-02-14 | IDXX | Schreck Michael | EVP | F - Tax | $629.35 | -876 | 3,089 | -22% | -$551.3K |
| DM | 2026-02-17 | 2026-02-14 | IDXX | Schreck Michael | EVP | M - OptEx | $0.00 | +1,959 | 2,123 | +1,197% | $0 |
| DM | 2026-02-17 | 2026-02-14 | IDXX | Johnson Michael Perkins | EVP | M - OptEx | $0.00 | +573 | 2,973 | +24% | $0 |
| D | 2026-02-17 | 2026-02-14 | IDXX | Johnson Michael Perkins | EVP | F - Tax | $629.35 | -178 | 2,795 | -6% | -$112.0K |
| DM | 2026-02-11 | 2026-02-10 | IDXX | FENNELL GEORGE | EVP | S - Sale+OE | $646.72 | -11.3K | 14.7K | -44% | -$7.34M |
| DM | 2026-02-11 | 2026-02-09+ | IDXX | FENNELL GEORGE | EVP | M - OptEx | $67.85 | +12.8K | 9,823 | New | +$869.9K |
| 2026-02-03 | 2026-01-30 | IDXX | HOOLEY JOSEPH L | Dir | A - Grant | $670.46 | +36 | 75 | +92% | +$24.1K | |
| DM | 2025-11-10 | 2025-11-07 | IDXX | Hunt Nimrata | EVP | S - Sale+OE | $703.34 | -9,425 | 25.5K | -27% | -$6.63M |
| DM | 2025-11-10 | 2025-11-07 | IDXX | Hunt Nimrata | EVP | M - OptEx | $382.28 | +12.5K | 30.6K | +69% | +$4.79M |
| 2025-11-03 | 2025-10-30 | IDXX | HOOLEY JOSEPH L | Dir | A - Grant | $628.54 | +39 | 39 | New | +$24.5K | |
| 2025-09-04 | 2025-08-15 | IDXX | MAZELSKY JONATHAN JAY | Pres, CEO, Dir | G - Gift | $0.00 | -1,051 | 82.4K | -1% | $0 | |
| D | 2025-09-03 | 2025-09-01 | IDXX | Smith Martin Alexander | EVP | F - Tax | $647.09 | -5 | 1,434 | -0.3% | -$3,235 |
| D | 2025-09-03 | 2025-09-01 | IDXX | Smith Martin Alexander | EVP | M - OptEx | $0.00 | +18 | 1,439 | +1% | $0 |
| DMI | 2025-08-26 | 2025-08-22 | IDXX | SZOSTAK M ANNE | Dir | G - Gift | $0.00 | 0 | 259 | New | $0 |
| D | 2025-08-26 | 2025-08-22 | IDXX | SZOSTAK M ANNE | Dir | M - OptEx | $206.62 | +2,187 | 2,449 | +835% | +$451.9K |
| D | 2025-08-26 | 2025-08-22 | IDXX | SZOSTAK M ANNE | Dir | S - Sale+OE | $647.33 | -2,187 | 262 | -89% | -$1.42M |
| M | 2025-08-14 | 2025-08-12 | IDXX | Erickson Michael G | EVP | S - Sale | $649.96 | -405.89 | 11.4K | -3% | -$263.8K |
| DM | 2025-08-13 | 2025-08-12 | IDXX | Hunt Nimrata | EVP | M - OptEx | $244.16 | +1,226 | 17.8K | +7% | +$299.3K |
| D | 2025-08-13 | 2025-08-11 | IDXX | Hunt Nimrata | EVP | S - Sale+OE | $656.53 | -1,200 | 16.8K | -7% | -$787.8K |
| DM | 2025-08-12 | 2025-08-08+ | IDXX | Underberg Sharon E. | EVP, GC, Corp. Sec | M - OptEx | $217.89 | +5,633 | 6,339 | +798% | +$1.23M |
| D | 2025-08-12 | 2025-08-08 | IDXX | Underberg Sharon E. | EVP, GC, Corp. Sec | S - Sale+OE | $651.60 | -5,450 | 6,156 | -47% | -$3.55M |
| D | 2025-08-12 | 2025-08-08 | IDXX | MAZELSKY JONATHAN JAY | Pres, CEO, Dir | M - OptEx | $598.49 | +183 | 83.5K | +0.2% | +$109.5K |
| D | 2025-08-11 | 2025-08-07 | IDXX | Emerson Andrew | EVP, CFO, Treas | M - OptEx | $141.60 | +1,849 | 4,273 | +76% | +$261.8K |
| D | 2025-08-11 | 2025-08-07 | IDXX | Emerson Andrew | EVP, CFO, Treas | F - Tax | $650.06 | -402 | 3,871 | -9% | -$261.3K |
| DM | 2025-08-08 | 2025-08-06 | IDXX | Lane Michael | EVP | M - OptEx | $276.27 | +8,411 | 15.5K | +118% | +$2.32M |
| DM | 2025-08-08 | 2025-08-06 | IDXX | Lane Michael | EVP | S - Sale+OE | $627.73 | -8,411 | 9,912 | -46% | -$5.28M |
| D | 2025-08-08 | 2025-08-06 | IDXX | MAZELSKY JONATHAN JAY | Pres, CEO, Dir | M - OptEx | $67.85 | +29.3K | 112.6K | +35% | +$1.99M |
| DM | 2025-08-08 | 2025-08-06 | IDXX | MAZELSKY JONATHAN JAY | Pres, CEO, Dir | S - Sale+OE | $631.98 | -29.3K | 93.2K | -24% | -$18.49M |
| DM | 2025-08-08 | 2025-08-06 | IDXX | Hunt Nimrata | EVP | M - OptEx | $187.57 | +12.8K | 25.1K | +104% | +$2.40M |
| DM | 2025-08-08 | 2025-08-06 | IDXX | Hunt Nimrata | EVP | S - Sale+OE | $630.43 | -7,143 | 22.1K | -24% | -$4.50M |
| D | 2025-06-03 | 2025-06-01 | IDXX | Johnson Michael Perkins | EVP | F - Tax | $513.36 | -1,499 | 2,365 | -39% | -$769.5K |
| D | 2025-06-03 | 2025-06-01 | IDXX | Johnson Michael Perkins | EVP | M - OptEx | $0.00 | +3,382 | 3,864 | +701% | $0 |
| D | 2025-05-23 | 2025-05-21 | IDXX | SZOSTAK M ANNE | Dir | S - Sale+OE | $513.74 | -1,046 | 262 | -80% | -$537.4K |
| D | 2025-05-23 | 2025-05-21 | IDXX | SZOSTAK M ANNE | Dir | M - OptEx | $160.28 | +1,046 | 1,308 | +399% | +$167.7K |
| DI | 2025-05-23 | 2025-05-21 | IDXX | SZOSTAK M ANNE | Dir | S - Sale+OE | $512.34 | -1,260 | 1,801 | -41% | -$645.5K |
| DM | 2025-05-14 | 2025-05-13 | IDXX | JUNIUS DANIEL M | Dir | M - OptEx | $263.81 | +2,683 | 4,708 | +132% | +$707.8K |
| D | 2025-05-14 | 2025-05-13 | IDXX | JUNIUS DANIEL M | Dir | S - Sale+OE | $506.41 | -2,683 | 3,304 | -45% | -$1.36M |
| D | 2025-05-13 | 2025-05-09 | IDXX | Vandebroek Sophie V. | Dir | S - Sale+OE | $491.34 | -1,279 | 1,167 | -52% | -$628.4K |
| D | 2025-05-13 | 2025-05-09 | IDXX | Vandebroek Sophie V. | Dir | M - OptEx | $283.59 | +1,279 | 2,446 | +110% | +$362.7K |
| D | 2025-05-08 | 2025-05-06 | IDXX | Vandebroek Sophie V. | Dir | M - OptEx | $0.00 | +262 | 1,167 | +29% | $0 |
| DM | 2025-05-08 | 2025-05-06 | IDXX | Kingsley Lawrence D | Dir | M - OptEx | $0.00 | +346 | 9,229 | +4% | $0 |
| D | 2025-05-08 | 2025-05-06 | IDXX | SZOSTAK M ANNE | Dir | M - OptEx | $0.00 | +262 | 262 | New | $0 |
| D | 2025-05-08 | 2025-05-06 | IDXX | ESSIG STUART | Dir | M - OptEx | $0.00 | +262 | 2,236 | +13% | $0 |
| D | 2025-05-08 | 2025-05-06 | IDXX | JUNIUS DANIEL M | Dir | M - OptEx | $0.00 | +262 | 3,304 | +9% | $0 |
| DM | 2025-02-18 | 2025-02-14 | IDXX | FENNELL GEORGE | EVP | M - OptEx | $0.00 | +304 | 8,227 | +4% | $0 |
| D | 2025-02-18 | 2025-02-14 | IDXX | FENNELL GEORGE | EVP | F - Tax | $444.53 | -133 | 8,347 | -2% | -$59.1K |
| DM | 2025-02-18 | 2025-02-14 | IDXX | Smith Martin Alexander | EVP | M - OptEx | $0.00 | +1,231 | 1,766 | +230% | $0 |
| D | 2025-02-18 | 2025-02-14 | IDXX | Smith Martin Alexander | EVP | F - Tax | $444.53 | -374 | 1,392 | -21% | -$166.3K |
| DM | 2025-02-18 | 2025-02-14 | IDXX | Hunt Nimrata | EVP | M - OptEx | $0.00 | +872 | 12.1K | +8% | $0 |
| D | 2025-02-18 | 2025-02-14 | IDXX | Hunt Nimrata | EVP | F - Tax | $444.53 | -268 | 12.3K | -2% | -$119.1K |
| DM | 2025-02-18 | 2025-02-14 | IDXX | MCKEON BRIAN P | EVP, CFO, Treas | M - OptEx | $0.00 | +1,162 | 31.2K | +4% | $0 |
| D | 2025-02-18 | 2025-02-14 | IDXX | MCKEON BRIAN P | EVP, CFO, Treas | F - Tax | $444.53 | -569 | 31.5K | -2% | -$252.9K |
| DM | 2025-02-18 | 2025-02-14 | IDXX | Lane Michael | EVP | M - OptEx | $0.00 | +885 | 6,650 | +15% | $0 |
| D | 2025-02-18 | 2025-02-14 | IDXX | Lane Michael | EVP | F - Tax | $444.53 | -272 | 7,103 | -4% | -$120.9K |
| DM | 2025-02-18 | 2025-02-14 | IDXX | Underberg Sharon E. | EVP, GC, Corp. Sec | A - Grant | $0.00 | +704 | 5,779 | +14% | $0 |
| D | 2025-02-18 | 2025-02-14 | IDXX | Underberg Sharon E. | EVP, GC, Corp. Sec | F - Tax | $444.53 | -219 | 6,127 | -3% | -$97.4K |
| DM | 2025-02-18 | 2025-02-14 | IDXX | Johnson Michael Perkins | EVP | M - OptEx | $0.00 | +355 | 406.34 | +691% | $0 |
| D | 2025-02-18 | 2025-02-14 | IDXX | Johnson Michael Perkins | EVP | F - Tax | $444.53 | -118 | 467.34 | -20% | -$52.5K |
| D | 2025-02-18 | 2025-02-14 | IDXX | MAZELSKY JONATHAN JAY | Pres, CEO, Dir | F - Tax | $444.53 | -1,222 | 83.3K | -1% | -$543.2K |
| DM | 2025-02-18 | 2025-02-14 | IDXX | MAZELSKY JONATHAN JAY | Pres, CEO, Dir | M - OptEx | $0.00 | +2,747 | 83.4K | +3% | $0 |
| DM | 2025-02-18 | 2025-02-14 | IDXX | Erickson Michael G | EVP | M - OptEx | $0.00 | +557 | 20.9K | +3% | $0 |
Purchase Sale Sale after option exercise All abbreviations