President and Chief Executive Officer · IDEXX Laboratories Inc (IDXX)

Jonathan Mazelsky

A named executive officer of IDEXX Laboratories in every fiscal year CompBrief holds from FY2017 to FY2025. Every figure below is printed as the company filed it and cited to the filing it came from.

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Total disclosed compensation, FY2025

$14,580,122

FY2024: $13,007,051

1st of 6 named executive officers at Idexx Laboratories by FY2025 total.

6 named officers on file for IDEXX Laboratories, FY2025

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What this number hides

The filing gives the total. IDEXX Laboratories’s full Executive Compensation Report gives every award, the disclosed peer set and what the total leaves out — the pair adds the board’s.

Compensation figures as of the proxy filed March 27, 2026 (DEF 14A). Insider transactions since that proxy, current to 2026-11-07.

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Jonathan Mazelsky compensation by year

IDEXX Laboratories Summary Compensation Table · all 9 fiscal years held
In US dollars, as IDEXX Laboratories reports it. Most recent year shaded. Totals are the company’s disclosed totals.
ComponentFY2017FY2018FY2019FY2020FY2021FY2022FY2023FY2024FY2025
Salary$469,462$555,385$631,561$814,039$976,923$1,000,000$1,000,000$1,121,154$1,150,000
Bonus$0$0$0$0$0$0$0$0$0
Stock awards$324,972$449,928$950,209$1,125,087$1,500,029$1,937,696$2,187,697$5,199,755$5,399,881
Option awards$973,510$1,348,870$4,849,078$3,375,000$4,499,229$5,812,593$6,562,842$5,200,032$5,400,001
Non-equity incentive$479,000$517,500$962,522$1,700,000$2,062,500$1,012,500$1,737,500$1,450,150$2,593,000
Pension and deferred compensation$0$0$0$0$0$0$0$0$0
All other$22,889$25,442$25,965$24,049$26,340$25,599$31,270$35,960$37,240
Total$2,269,833$2,897,125$7,419,335$7,038,175$9,065,021$9,788,388$11,519,309$13,007,051$14,580,122

Each year as stated in that year's proxy. A dash means the company reported no figure in that column. Source: IDEXX Laboratories Inc DEF 14A filed March 27, 2026, accession 0000874716-26-000064, and prior-year filings. Open the filing on EDGAR.

How this page was built: the IDEXX Laboratories Inc filed document, accession 0000874716-26-000064. Every figure is read from that document and cited to the page and table it appears in. Filed March 27, 2026.

$2.3M
$2.9M
$7.4M
$7.0M
$9.1M
$9.8M
$11.5M
$13.0M
$14.6M
FY17
FY18
FY19
FY20
FY21
FY22
FY23
FY24
FY25
SalaryNon-equity incentiveStock awardsOption awardsAll other

Equity holdings

unvested awards at FY2025 year-end
TypeUnvested unitsValue at year-endExercise price
RSU23,490$15,891,690—
RSU9,276$6,275,492—
RSU2,198$1,487,013—
RSU958$648,116—
Option10,728—$497.43
Option26,149—$459.76

Per the Outstanding Equity Awards at Fiscal Year-End table in IDEXX Laboratories Inc's FY2025 proxy; value at the fiscal year-end close, as the company printed it.

Insider transactions since the last proxy

15 Form 4 lines since the FY2025 proxy (filed March 27, 2026)
current to 2026-11-07 · updated nightly
DateTransactionPlanSharesPriceHeld after
2026-11-04Exercise or conversion—25,140$178.26108,943.3
2026-11-04Sale—1,945$698.26106,998.3
2026-11-04Sale—4,075$699.33102,923.3
2026-11-04Sale—1,667$700.33101,256.3
2026-11-04Sale—4,540$701.3696,716.3
2026-11-04Sale—2,136$702.2194,580.3
2026-11-04Sale—3,950$703.4590,630.3
2026-11-04Sale—240$705.5990,390.3

The 8 most recent of 15 lines, each as reported on the Form 4. "10b5-1" marks a trade the filing reports under a pre-arranged trading plan. View every Form 4 filing on EDGAR →

IDEXX Laboratories’s named executive officers, FY2025

as the company reported each
Named executive officerRoleFY2025 total
Jonathan Mazelsky · this pagePresident and Chief Executive Officer$14,580,122
Michael LaneExecutive Vice President and General Manager, CAG Diagnostics Business Unit$4,019,416
Tina HuntExecutive Vice President, Global Strategy and Commercial$3,945,293
Martin SmithExecutive Vice President and Chief Technology Officer, R&D, Global Operations, Information Technology and Information Security$3,944,534
Andrew EmersonExecutive Vice President, Chief Financial Officer and Treasurer$3,033,071
Brian McKeonFormer Executive Vice President, Chief Financial Officer and Treasurer$351,680

Board service

IDEXX Laboratories board · FY2023–FY2025

How this board is paid

Company policy: IDEXX Laboratories pays directors a $90,000 cash retainer and $250,000 in equity. As stated in IDEXX Laboratories's FY2025 proxy.

The full IDEXX Laboratories compensation record

free company brief

This page is one person within IDEXX Laboratories's record. The company brief lists every named executive, each linking to their own page.

Peer companies

named in the IDEXX Laboratories proxy · each links to its own free brief

Compensation, the day it’s disclosed

The CompBrief Daily Digest lists the newest executive and director compensation disclosures as companies file them. Or order IDEXX Laboratories's full Executive Compensation Report with peer benchmarking.

How this record is built

Every figure on this page is one figure from a public SEC filing, printed as the filing states it and cited to the document. Compensation totals are IDEXX Laboratories's own disclosed totals, not summed by Velarion. Insider transactions are read from Form 4 filings and cover every line filed since the most recent proxy. Nothing is estimated by Velarion; where the company does not disclose a value the cell reads "—", and a section appears only where the company discloses the data. Corrections: records@velarion.ai.

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Jonathan Mazelsky's compensation dossier