Jonathan Jay Mazelsky, President and CEO of IDEXX Laboratories ($IDXX), sold shares on the open market twenty-three times over the past year, totaling about $33.8 million. His most recent sale occurred on February 26, 2026. These sales rank 445th among 11,678 individual insiders, surpassing the average sale value of $8.6 million and average of 6.4 transactions. Mazelsky made no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 31, 2026 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Phantom Stock (Directors' Deferred Compensation) DDC | 2645 | $11.34 | 17,179.8540 | 199,500,000 | 18.19% | 0.00% |
| Feb. 26, 2026 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Common Stock | 23326 | $141.60 | 106,932.3020 | 81,025,000 | 27.90% | 0.03% |
| Feb. 27, 2026 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Incentive Stock Option (right-to-buy) | 197 | $0.00 | 0.0000 | 81,025,000 | 100.00% | 0.00% |
| Feb. 26, 2026 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Non-Qualified Stock Option (right-to-buy) | 23326 | $0.00 | 0.0000 | 81,025,000 | 100.00% | 0.03% |
| Feb. 27, 2026 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Common Stock | 197 | $505.53 | 83,803.3020 | 81,025,000 | 0.24% | 0.00% |
| Feb. 26, 2026 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 2589 | $663.04 | 83,606.3020 | 81,025,000 | 3.00% | 0.00% |
| Feb. 26, 2026 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 1000 | $662.16 | 86,195.3020 | 81,025,000 | 1.15% | 0.00% |
| Feb. 26, 2026 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 1200 | $661.10 | 87,195.3020 | 81,025,000 | 1.36% | 0.00% |
| Feb. 26, 2026 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 2859 | $659.75 | 88,395.3020 | 81,025,000 | 3.13% | 0.00% |
| Feb. 26, 2026 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 3660 | $658.92 | 91,254.3020 | 81,025,000 | 3.86% | 0.00% |
| Feb. 26, 2026 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 2860 | $657.84 | 94,914.3020 | 81,025,000 | 2.93% | 0.00% |
| Feb. 26, 2026 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 1343 | $656.85 | 97,774.3020 | 81,025,000 | 1.35% | 0.00% |
| Feb. 26, 2026 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 1488 | $655.85 | 99,117.3020 | 81,025,000 | 1.48% | 0.00% |
| Feb. 26, 2026 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 1111 | $654.63 | 100,605.3020 | 81,025,000 | 1.09% | 0.00% |
| Feb. 26, 2026 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 1171 | $653.68 | 101,716.3020 | 81,025,000 | 1.14% | 0.00% |
| Feb. 26, 2026 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 1669 | $652.49 | 102,887.3020 | 81,025,000 | 1.60% | 0.00% |
| Feb. 26, 2026 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 1281 | $650.67 | 105,651.3020 | 81,025,000 | 1.20% | 0.00% |
| Feb. 26, 2026 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 1095 | $651.49 | 104,556.3020 | 81,025,000 | 1.04% | 0.00% |
| Feb. 12, 2026 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | A | Restricted Stock Unit | 13407 | $0.00 | 13,407.0000 | 81,025,000 | 9999.99% | 0.02% |
| Feb. 14, 2026 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Restricted Stock Unit | 1099 | $0.00 | 1,099.0000 | 81,025,000 | 50.00% | 0.00% |
| Feb. 14, 2026 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Restricted Stock Unit | 958 | $0.00 | 0.0000 | 81,025,000 | 100.00% | 0.00% |
| Feb. 14, 2026 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | F | Common Stock | 915 | $629.35 | 83,606.3020 | 81,025,000 | 1.08% | 0.00% |
| Feb. 14, 2026 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Common Stock | 1099 | $0.00 | 84,521.3020 | 81,025,000 | 1.32% | 0.00% |
| Feb. 14, 2026 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Common Stock | 958 | $0.00 | 83,422.3020 | 81,025,000 | 1.16% | 0.00% |
| Jan. 9, 2026 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Phantom Stock (Directors' Deferred Compensation) DDC | 154 | $12.22 | 14,535.2138 | 199,500,000 | 1.07% | 0.00% |
| Jan. 9, 2026 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Common Stock | 395 | $0.00 | 28,846.5340 | 199,500,000 | 1.39% | 0.00% |
| Dec. 31, 2026 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Phantom Stock (Directors' Deferred Compensation) DDC | 2638 | $11.37 | 14,381.5129 | 199,500,000 | 22.46% | 0.00% |
| Oct. 10, 2025 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Phantom Stock (Directors' Deferred Compensation) DDC | 123 | $11.98 | 11,743.5642 | 199,500,000 | 1.06% | 0.00% |
| Oct. 10, 2025 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Common Stock | 360 | $0.00 | 28,451.3760 | 199,500,000 | 1.28% | 0.00% |
| Sept. 30, 2025 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Phantom Stock (Directors' Deferred Compensation) DDC | 2386 | $12.57 | 11,620.2024 | 264,500,000 | 25.84% | 0.00% |
| Aug. 15, 2025 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | G | Common Stock | 1051 | $0.00 | 82,443.3016 | 83,246,000 | 1.26% | 0.00% |
| Aug. 8, 2025 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Premium Incentive Stock Option (right-to-buy) | 183 | $0.00 | 0.0000 | 83,246,000 | 100.00% | 0.00% |
| Aug. 8, 2025 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Common Stock | 183 | $598.49 | 83,494.3016 | 83,246,000 | 0.22% | 0.00% |
| Aug. 6, 2025 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 1822 | $636.15 | 84,851.3016 | 83,246,000 | 2.10% | 0.00% |
| Aug. 6, 2025 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 880 | $636.81 | 83,971.3016 | 83,246,000 | 1.04% | 0.00% |
| Aug. 6, 2025 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 660 | $639.37 | 83,311.3016 | 83,246,000 | 0.79% | 0.00% |
| Aug. 6, 2025 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Non-Qualified Stock Option (right-to-buy) | 29260 | $0.00 | 0.0000 | 83,246,000 | 100.00% | 0.04% |
| Aug. 6, 2025 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 3000 | $632.56 | 90,199.3016 | 83,246,000 | 3.22% | 0.00% |
| Aug. 6, 2025 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 7299 | $631.61 | 93,199.3016 | 83,246,000 | 7.26% | 0.01% |
| Aug. 6, 2025 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 6056 | $630.59 | 100,498.3016 | 83,246,000 | 5.68% | 0.01% |
| Aug. 6, 2025 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 3397 | $629.82 | 106,554.3016 | 83,246,000 | 3.09% | 0.00% |
| Aug. 6, 2025 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 1525 | $628.27 | 109,951.3016 | 83,246,000 | 1.37% | 0.00% |
| Aug. 6, 2025 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 1095 | $626.90 | 111,476.3016 | 83,246,000 | 0.97% | 0.00% |
| Aug. 6, 2025 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Common Stock | 29260 | $67.85 | 112,571.3016 | 83,246,000 | 35.12% | 0.04% |
| Aug. 6, 2025 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 3526 | $635.13 | 86,673.3016 | 83,246,000 | 3.91% | 0.00% |
| July 11, 2025 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Common Stock | 279 | $0.00 | 28,091.8000 | 264,500,000 | 1.00% | 0.00% |
| July 11, 2025 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Phantom Stock (Directors' Deferred Compensation) DDC | 75 | $16.20 | 9,234.0374 | 264,500,000 | 0.82% | 0.00% |
| July 1, 2025 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Phantom Stock (Directors' Deferred Compensation) DDC | 1561 | $16.01 | 9,159.0102 | 264,500,000 | 20.55% | 0.00% |
| May 22, 2025 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Common Stock | 13880 | $0.00 | 27,812.4530 | 264,500,000 | 99.62% | 0.01% |
| April 11, 2025 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Phantom Stock (Directors' Deferred Compensation) DDC | 75 | $12.47 | 7,597.7240 | 264,500,000 | 1.00% | 0.00% |
| April 11, 2025 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Common Stock | 148 | $0.00 | 13,932.4530 | 264,500,000 | 1.07% | 0.00% |
| March 31, 2025 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Phantom Stock (Directors' Deferred Compensation) DDC | 1687 | $14.82 | 7,522.8547 | 264,500,000 | 28.91% | 0.00% |
| Feb. 14, 2025 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | F | Common Stock | 1222 | $444.53 | 83,282.5926 | 83,246,000 | 1.45% | 0.00% |
| Feb. 13, 2025 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | A | Non-Qualified Stock Option (right-to-buy) | 25932 | $0.00 | 25,932.0000 | 83,246,000 | 9999.99% | 0.03% |
| Feb. 14, 2025 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Restricted Stock Unit | 689 | $0.00 | 0.0000 | 83,246,000 | 100.00% | 0.00% |
| Feb. 14, 2025 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Common Stock | 689 | $0.00 | 82,446.5926 | 83,246,000 | 0.84% | 0.00% |
| Feb. 14, 2025 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Common Stock | 958 | $0.00 | 83,404.5926 | 83,246,000 | 1.16% | 0.00% |
| Feb. 14, 2025 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Common Stock | 1100 | $0.00 | 84,504.5926 | 83,246,000 | 1.32% | 0.00% |
| Feb. 13, 2025 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | A | Incentive Stock Option (right-to-buy) | 217 | $0.00 | 217.0000 | 83,246,000 | 9999.99% | 0.00% |
| Feb. 14, 2025 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Restricted Stock Unit | 958 | $0.00 | 958.0000 | 83,246,000 | 50.00% | 0.00% |
| Feb. 14, 2025 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Restricted Stock Unit | 1100 | $0.00 | 2,198.0000 | 83,246,000 | 33.35% | 0.00% |
| Jan. 10, 2025 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Phantom Stock (Directors' Deferred Compensation) DDC | 39 | $18.51 | 5,835.5999 | 264,500,000 | 0.66% | 0.00% |
| Jan. 10, 2025 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Common Stock | 115 | $0.00 | 13,784.7260 | 264,500,000 | 0.84% | 0.00% |
| Dec. 30, 2024 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Phantom Stock (Directors' Deferred Compensation) DDC | 1340 | $18.65 | 5,797.0667 | 264,500,000 | 30.08% | 0.00% |
| Oct. 11, 2024 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Common Stock | 80 | $0.00 | 13,669.2520 | 264,500,000 | 0.59% | 0.00% |
| Oct. 11, 2024 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Phantom Stock (Directors' Deferred Compensation) DDC | 23 | $24.50 | 4,456.5841 | 264,500,000 | 0.52% | 0.00% |
| Sept. 30, 2024 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Phantom Stock (Directors' Deferred Compensation) DDC | 936 | $25.13 | 4,433.7381 | 264,500,000 | 26.75% | 0.00% |
| Aug. 5, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Common Stock | 384 | $0.00 | 81,902.5926 | 83,978,000 | 0.47% | 0.00% |
| Aug. 5, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | F | Common Stock | 170 | $455.08 | 81,732.5926 | 83,978,000 | 0.21% | 0.00% |
| Aug. 5, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Restricted Stock Unit | 384 | $0.00 | 0.0000 | 83,978,000 | 100.00% | 0.00% |
| July 12, 2024 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Common Stock | 87 | $0.00 | 13,588.8740 | 264,500,000 | 0.64% | 0.00% |
| July 12, 2024 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Phantom Stock (Directors' Deferred Compensation) DDC | 22 | $25.80 | 3,497.9750 | 264,500,000 | 0.62% | 0.00% |
| June 28, 2024 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Phantom Stock (Directors' Deferred Compensation) DDC | 995 | $25.13 | 3,476.4153 | 264,500,000 | 40.08% | 0.00% |
| May 23, 2024 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Common Stock | 7994 | $0.00 | 13,502.1490 | 264,500,000 | 145.13% | 0.00% |
| April 12, 2024 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Phantom Stock (Directors' Deferred Compensation) DDC | 13 | $31.45 | 2,481.6596 | 264,500,000 | 0.51% | 0.00% |
| April 12, 2024 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Common Stock | 26 | $0.00 | 5,508.1490 | 264,500,000 | 0.48% | 0.00% |
| March 28, 2024 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Phantom Stock (Directors' Deferred Compensation) DDC | 761 | $32.83 | 2,469.0996 | 264,500,000 | 44.59% | 0.00% |
| Feb. 29, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | G | Common Stock | 550 | $0.00 | 81,496.5926 | 83,978,000 | 0.67% | 0.00% |
| Feb. 21, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Common Stock | 483 | $206.94 | 82,046.5926 | 83,978,000 | 0.59% | 0.00% |
| Feb. 21, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Incentive Stock Option (right-to-buy) | 483 | $0.00 | 0.0000 | 83,978,000 | 100.00% | 0.00% |
| Feb. 14, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | F | Common Stock | 1839 | $560.56 | 81,563.5926 | 83,978,000 | 2.20% | 0.00% |
| Feb. 14, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Common Stock | 435 | $0.00 | 79,681.5926 | 83,978,000 | 0.55% | 0.00% |
| Feb. 14, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Common Stock | 974 | $0.00 | 80,655.5926 | 83,978,000 | 1.22% | 0.00% |
| Feb. 14, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Common Stock | 689 | $0.00 | 81,344.5926 | 83,978,000 | 0.85% | 0.00% |
| Feb. 14, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Common Stock | 958 | $0.00 | 82,302.5926 | 83,978,000 | 1.18% | 0.00% |
| Feb. 14, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Common Stock | 1100 | $0.00 | 83,402.5926 | 83,978,000 | 1.34% | 0.00% |
| Feb. 14, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | A | Non-Qualified Stock Option (right-to-buy) | 21335 | $0.00 | 21,335.0000 | 83,978,000 | 9999.99% | 0.03% |
| Feb. 14, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | A | Incentive Stock Option (right-to-buy) | 178 | $0.00 | 178.0000 | 83,978,000 | 9999.99% | 0.00% |
| Feb. 14, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Restricted Stock Unit | 435 | $0.00 | 0.0000 | 83,978,000 | 100.00% | 0.00% |
| Feb. 14, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Restricted Stock Unit | 974 | $0.00 | 0.0000 | 83,978,000 | 100.00% | 0.00% |
| Feb. 14, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Restricted Stock Unit | 689 | $0.00 | 689.0000 | 83,978,000 | 50.00% | 0.00% |
| Feb. 14, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Restricted Stock Unit | 958 | $0.00 | 1,916.0000 | 83,978,000 | 33.33% | 0.00% |
| Feb. 14, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Restricted Stock Unit | 1100 | $0.00 | 3,298.0000 | 83,978,000 | 25.01% | 0.00% |
| Feb. 7, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Non-Qualified Stock Option (right-to-buy) | 12000 | $0.00 | 29,260.0000 | 83,978,000 | 29.08% | 0.01% |
| Feb. 7, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Common Stock | 12000 | $67.85 | 91,246.5926 | 83,978,000 | 15.14% | 0.01% |
| Feb. 7, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 5356 | $571.71 | 85,890.5926 | 83,978,000 | 5.87% | 0.01% |
| Feb. 7, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 4124 | $572.53 | 81,766.5926 | 83,978,000 | 4.80% | 0.00% |
| Feb. 7, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 462 | $573.19 | 81,304.5926 | 83,978,000 | 0.57% | 0.00% |
| Feb. 7, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 1353 | $574.75 | 79,951.5926 | 83,978,000 | 1.66% | 0.00% |
| Feb. 7, 2024 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 705 | $575.48 | 79,246.5926 | 83,978,000 | 0.88% | 0.00% |
| Jan. 12, 2024 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Common Stock | 21 | $0.00 | 5,481.7230 | 264,500,000 | 0.39% | 0.00% |
| Jan. 12, 2024 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Phantom Stock (Directors' Deferred Compensation) DDC | 6 | $36.80 | 1,707.6240 | 264,500,000 | 0.38% | 0.00% |
| Dec. 29, 2023 | DENTSPLY SIRONA Inc. | $XRAY | MAZELSKY JONATHAN JAY | Director | A | Phantom Stock (Directors' Deferred Compensation) DDC | 703 | $35.58 | 1,701.1514 | 264,500,000 | 70.38% | 0.00% |
| Dec. 4, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Common Stock | 13424 | $79.54 | 86,361.3456 | 84,600,000 | 18.40% | 0.02% |
| Dec. 4, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Non-Qualified Stock Option (right-to-buy) | 13424 | $0.00 | 0.0000 | 84,600,000 | 100.00% | 0.02% |
| Dec. 4, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 1324 | $513.51 | 79,233.3456 | 84,600,000 | 1.64% | 0.00% |
| Dec. 4, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 5804 | $512.95 | 80,557.3456 | 84,600,000 | 6.72% | 0.01% |
| Aug. 31, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | S | Common Stock | 13424 | $512.01 | 72,925.3456 | 84,600,000 | 15.55% | 0.02% |
| Aug. 31, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Common Stock | 13424 | $79.54 | 86,349.3456 | 84,600,000 | 18.41% | 0.02% |
| Aug. 31, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Non-Qualified Stock Option (right-to-buy) | 13424 | $0.00 | 13,424.0000 | 84,600,000 | 50.00% | 0.02% |
| Aug. 5, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | F | Common Stock | 170 | $504.08 | 72,925.3456 | 84,600,000 | 0.23% | 0.00% |
| Aug. 5, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Restricted Stock Unit | 384 | $0.00 | 10,443.0000 | 84,600,000 | 3.55% | 0.00% |
| Aug. 5, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Common Stock | 384 | $0.00 | 73,095.3456 | 84,600,000 | 0.53% | 0.00% |
| May 18, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | G | Common Stock | 602 | $0.00 | 72,699.3456 | 84,600,000 | 0.82% | 0.00% |
| May 4, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Incentive Stock Option (right-to-buy) | 560 | $0.00 | 0.0000 | 84,600,000 | 100.00% | 0.00% |
| May 4, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President and CEO | M | Common Stock | 560 | $178.26 | 73,301.3456 | 84,600,000 | 0.77% | 0.00% |
| Feb. 14, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President & CEO | M | Restricted Stock Unit | 689 | $0.00 | 11,786.0000 | 84,600,000 | 5.52% | 0.00% |
| Feb. 14, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President & CEO | M | Restricted Stock Unit | 435 | $0.00 | 13,449.0000 | 84,600,000 | 3.13% | 0.00% |
| Feb. 14, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President & CEO | M | Restricted Stock Unit | 504 | $0.00 | 13,884.0000 | 84,600,000 | 3.50% | 0.00% |
| Feb. 14, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President & CEO | M | Common Stock | 974 | $0.00 | 72,735.6426 | 84,600,000 | 1.36% | 0.00% |
| Feb. 14, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President & CEO | M | Common Stock | 435 | $0.00 | 71,761.6426 | 84,600,000 | 0.61% | 0.00% |
| Feb. 14, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President & CEO | M | Common Stock | 504 | $0.00 | 71,326.6426 | 84,600,000 | 0.71% | 0.00% |
| Feb. 14, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President & CEO | F | Common Stock | 1657 | $503.65 | 72,726.6426 | 84,600,000 | 2.23% | 0.00% |
| Feb. 14, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President & CEO | M | Common Stock | 959 | $0.00 | 74,383.6426 | 84,600,000 | 1.31% | 0.00% |
| Feb. 14, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President & CEO | M | Common Stock | 689 | $0.00 | 73,424.6426 | 84,600,000 | 0.95% | 0.00% |
| Feb. 14, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President & CEO | M | Restricted Stock Unit | 959 | $0.00 | 10,827.0000 | 84,600,000 | 8.14% | 0.00% |
| Feb. 14, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President & CEO | M | Restricted Stock Unit | 974 | $0.00 | 12,475.0000 | 84,600,000 | 7.24% | 0.00% |
| Feb. 8, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President & CEO | A | Premium Non-Qualified Stock Option (right-to-buy) | 12181 | $0.00 | 12,181.0000 | 84,600,000 | 9999.99% | 0.01% |
| Feb. 8, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President & CEO | A | Restricted Stock Unit | 4398 | $0.00 | 14,388.0000 | 84,600,000 | 44.02% | 0.01% |
| Feb. 8, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President & CEO | A | Non-Qualified Stock Option (right-to-buy) | 21256 | $0.00 | 21,256.0000 | 84,600,000 | 9999.99% | 0.03% |
| Feb. 8, 2023 | IDEXX LABORATORIES INC /DE | $IDXX | MAZELSKY JONATHAN JAY | President & CEO | A | Incentive Stock Option (right-to-buy) | 201 | $0.00 | 201.0000 | 84,600,000 | 9999.99% | 0.00% |