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Jay Mazelsky

Track

Insider profile

Currently holds a position at IDEXX Laboratories Inc

Performance

Overall performance
3.0
Performance over holding periods
3.0
30 days 90 days 120 days
Average return 5% 8.2% 15.1%
Success rate 61% 68% 82%
Transactions
63 0% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance

Positions

Position Company Period
President, Chief Executive Officer, Director IDEXX Laboratories Inc Oct. 23, 2019 -
Interim President, Chief Executive Officer IDEXX Laboratories Inc June 28, 2019 - Oct. 23, 2019
Executive Vice President IDEXX Laboratories Inc Aug. 1, 2012 - June 28, 2019
Jay Mazelsky's trades of IDEXX Laboratories Inc's stock


Subscribe to get access to the transaction volume chart and in-chart transaction details
• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-03-02 2026-02-26
S Sale
76,095 +14.1%
188.92
US$1,678,429 		76,095 +14.1% 188.92 US$1,678,429
2026-03-02 2026-02-26
S Sale
60,737 -38.7%
382.99
US$1,037,634 		60,737 -38.7% 382.99 US$1,037,634
2026-03-02 2026-02-26
S Sale
91,543 -18.8%
292.83
US$405,523 		91,543 -18.8% 292.83 US$405,523
2026-03-02 2026-02-26
S Sale
2,859 -3.1%
659.75
US$1,886,224 		2,859 -3.1% 659.75 US$1,886,224
2026-03-02 2026-02-26
S Sale
3,660 -3.9%
658.92
US$2,411,635 		3,660 -3.9% 658.92 US$2,411,635
2026-03-02 2026-02-26
S Sale
2,860 -2.9%
657.84
US$1,881,433 		2,860 -2.9% 657.84 US$1,881,433
2026-03-02 2026-02-26
S Sale
1,343 -1.4%
656.85
US$882,143 		1,343 -1.4% 656.85 US$882,143
2026-03-02 2026-02-26
S Sale
1,488 -1.5%
655.85
US$975,905 		1,488 -1.5% 655.85 US$975,905
2026-03-02 2026-02-26
S Sale
1,111 -1.1%
654.63
US$727,293 		1,111 -1.1% 654.63 US$727,293
2026-03-02 2026-02-26
S Sale
1,171 -1.1%
653.68
US$765,455 		1,171 -1.1% 653.68 US$765,455
2026-03-02 2026-02-26
S Sale
1,669 -1.6%
652.49
US$1,089,013 		1,669 -1.6% 652.49 US$1,089,013
2026-03-02 2026-02-26
S Sale
1,095 -1.0%
651.49
US$713,378 		1,095 -1.0% 651.49 US$713,378
2026-03-02 2026-02-26
S Sale
1,281 -1.2%
650.67
US$833,508 		1,281 -1.2% 650.67 US$833,508
2026-02-26 2026-02-26
PrS Proposed sale
23,326
657.55
US$15,338,081 		23,326 657.55 US$15,338,081
2025-08-08 2025-08-06
S Sale
660 -0.8%
639.37
US$421,985 		660 -0.8% 639.37 US$421,985
2025-08-08 2025-08-06
S Sale
880 -1.0%
636.81
US$560,391 		880 -1.0% 636.81 US$560,391
2025-08-08 2025-08-06
S Sale
1,822 -2.1%
636.15
US$1,159,068 		1,822 -2.1% 636.15 US$1,159,068
2025-08-08 2025-08-06
S Sale
3,526 -3.9%
635.13
US$2,239,457 		3,526 -3.9% 635.13 US$2,239,457
2025-08-08 2025-08-06
S Sale
3,000 -3.2%
632.56
US$1,897,689 		3,000 -3.2% 632.56 US$1,897,689
2025-08-08 2025-08-06
S Sale
7,299 -7.3%
631.61
US$4,610,096 		7,299 -7.3% 631.61 US$4,610,096
2025-08-08 2025-08-06
S Sale
6,056 -5.7%
630.59
US$3,818,874 		6,056 -5.7% 630.59 US$3,818,874
2025-08-08 2025-08-06
S Sale
3,397 -3.1%
629.82
US$2,139,508 		3,397 -3.1% 629.82 US$2,139,508
2025-08-08 2025-08-06
S Sale
1,525 -1.4%
628.27
US$958,115 		1,525 -1.4% 628.27 US$958,115
2025-08-08 2025-08-06
S Sale
1,095 -1.0%
626.90
US$686,458 		1,095 -1.0% 626.90 US$686,458
2025-08-06 2025-08-06
PrS Proposed sale
29,260
631.98
US$18,491,641 		29,260 631.98 US$18,491,641
2024-02-09 2024-02-07
S Sale
705 -0.9%
575.48
US$405,711 		705 -0.9% 575.48 US$405,711
2024-02-09 2024-02-07
S Sale
1,353 -1.7%
574.75
US$777,639 		1,353 -1.7% 574.75 US$777,639
2024-02-09 2024-02-07
S Sale
462 -0.6%
573.19
US$264,814 		462 -0.6% 573.19 US$264,814
2024-02-09 2024-02-07
S Sale
4,124 -4.8%
572.53
US$2,361,094 		4,124 -4.8% 572.53 US$2,361,094
2024-02-09 2024-02-07
S Sale
5,356 -5.9%
571.71
US$3,062,061 		5,356 -5.9% 571.71 US$3,062,061
2024-02-07 2024-02-07
PrS Proposed sale
12,000
515.08
US$6,180,960 		12,000 515.08 US$6,180,960
2023-12-06 2023-12-04
S Sale
1,324 -1.6%
513.51
US$679,887 		1,324 -1.6% 513.51 US$679,887
2023-12-06 2023-12-04
S Sale
5,804 -6.7%
512.95
US$2,977,162 		5,804 -6.7% 512.95 US$2,977,162
2023-12-04 2023-12-04
PrS Proposed sale
7,128
470.80
US$3,355,862 		7,128 470.80 US$3,355,862
2023-09-05 2023-08-31
S Sale
13,424 -15.5%
512.01
US$6,873,267 		13,424 -15.5% 512.01 US$6,873,267
2023-08-31 2023-08-31
PrS Proposed sale
13,424
512.00
US$6,873,088 		13,424 512.00 US$6,873,088
2022-11-16 2022-11-14
S Sale
600 -0.8%
435.88
US$261,526 		600 -0.8% 435.88 US$261,526
2022-11-16 2022-11-14
S Sale
2,543 -3.4%
435.07
US$1,106,386 		2,543 -3.4% 435.07 US$1,106,386
2022-11-16 2022-11-14
S Sale
6,385 -7.9%
434.26
US$2,772,760 		6,385 -7.9% 434.26 US$2,772,760
2022-11-16 2022-11-14
S Sale
972 -1.2%
433.37
US$421,240 		972 -1.2% 433.37 US$421,240
2022-11-09 2022-11-07
S Sale
392 -0.6%
385.01
US$150,925 		392 -0.6% 385.01 US$150,925
2022-11-09 2022-11-07
S Sale
3,018 -4.6%
384.47
US$1,160,316 		3,018 -4.6% 384.47 US$1,160,316
2022-11-09 2022-11-07
S Sale
2,716 -4.0%
383.29
US$1,041,006 		2,716 -4.0% 383.29 US$1,041,006
2022-11-09 2022-11-07
S Sale
3,704 -5.1%
382.81
US$1,417,912 		3,704 -5.1% 382.81 US$1,417,912
2022-11-09 2022-11-07
S Sale
500 -0.7%
380.85
US$190,426 		500 -0.7% 380.85 US$190,426