IDXX
Idexx Laboratories insider trading
Health Care · Heavy selling
Close · Oct 5, 2026
$527.07
-16.0% over 12 months
Share price and insider trades
IDXX closeInsider buyInsider sale
Bought, 12 months$0
Sold, 12 months$37.7M
Insiders buying0
Insiders selling6
Valuation, profit and volume
P/E (trailing)n/aSector median 24.5
Market value—
Profit margin—Revenue growth —
Volume vs. 50-day0.9×Last 5 sessions
Insiders' paper profit—On all tracked purchases —
Summary
Over the past 12 months, 0 Idexx Laboratories insiders reported open-market purchases totaling $0, while 6 insiders reported sales totaling $37.7M. 0 of 36 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Insider transactions
Open-market purchases and sales. 83 grants, option exercises and tax withholdings are not shown.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Sep 9SEC | Lawrence D KingsleyDirector | Sell | 2,203 | $532.08 | $1.2M | -0.9% | — |
| Mar 5SEC | Nimrata HuntPresident | Sell | 1,758 | $634.57 | $1.1M | -16.9% | — |
| Mar 2SEC | Jonathan Jay MazelskyCEO, President | Sell | 3,660 | $658.92 | $2.4M | -20.0% | — |
| Mar 2SEC | Jonathan Jay MazelskyCEO, President | Sell | 2,859 | $659.75 | $1.9M | -20.1% | — |
| Mar 2SEC | Jonathan Jay MazelskyCEO, President | Sell | 2,860 | $657.84 | $1.9M | -19.9% | — |
| Mar 2SEC | Jonathan Jay MazelskyCEO, President | Sell | 2,589 | $663.04 | $1.7M | -20.5% | — |
| Mar 2SEC | Jonathan Jay MazelskyCEO, President | Sell | 1,669 | $652.49 | $1.1M | -19.2% | — |
| Mar 2SEC | Jonathan Jay MazelskyCEO, President | Sell | 1,488 | $655.85 | $976K | -19.6% | — |
| Mar 2SEC | Jonathan Jay MazelskyCEO, President | Sell | 1,343 | $656.85 | $882K | -19.8% | — |
| Mar 2SEC | Jonathan Jay MazelskyCEO, President | Sell | 1,281 | $650.67 | $834K | -19.0% | — |
| Mar 2SEC | Jonathan Jay MazelskyCEO, President | Sell | 1,200 | $661.10 | $793K | -20.3% | — |
| Mar 2SEC | Jonathan Jay MazelskyCEO, President | Sell | 1,171 | $653.68 | $765K | -19.4% | — |
| Mar 2SEC | Jonathan Jay MazelskyCEO, President | Sell | 1,111 | $654.63 | $727K | -19.5% | — |
| Mar 2SEC | Jonathan Jay MazelskyCEO, President | Sell | 1,095 | $651.49 | $713K | -19.1% | — |
| Mar 2SEC | Jonathan Jay MazelskyCEO, President | Sell | 1,000 | $662.16 | $662K | -20.4% | — |
| Feb 27SEC | Nimrata HuntPresident | Sell | 2,693 | $661.54 | $1.8M | -20.3% | — |
| Feb 19SEC | Michael G EricksonPresident | Sell | 2,694 | $628.22 | $1.7M | -16.1% | — |
| Feb 19SEC | Michael G EricksonPresident | Sell | 1,288 | $626.26 | $807K | -15.8% | — |
| Feb 19SEC | Sophie V. VandebroekDirector | Sell | 945 | $628.65 | $594K | -16.2% | — |
| Feb 19SEC | Michael G EricksonPresident | Sell | 689 | $629.09 | $433K | -16.2% | — |
| Feb 19SEC | Sophie V. VandebroekDirector | Sell | 519 | $628.56 | $326K | -16.1% | — |
| Feb 19SEC | Michael G EricksonPresident | Sell | 456 | $623.76 | $284K | -15.5% | — |
| Feb 19SEC | Michael G EricksonPresident | Sell | 204 | $625.24 | $128K | -15.7% | — |
| Feb 19SEC | Michael G EricksonPresident | Sell | 40 | $629.86 | $25K | -16.3% | — |
| Feb 11SEC | George FennellPresident | Sell | 2,809 | $649.26 | $1.8M | -18.8% | — |
| Feb 11SEC | George FennellPresident | Sell | 2,782 | $646.23 | $1.8M | -18.4% | — |
| Feb 11SEC | George FennellPresident | Sell | 2,161 | $645.25 | $1.4M | -18.3% | — |
| Feb 11SEC | George FennellPresident | Sell | 1,130 | $643.00 | $727K | -18.0% | — |
| Feb 11SEC | George FennellPresident | Sell | 1,060 | $647.21 | $686K | -18.6% | — |
| Feb 11SEC | George FennellPresident | Sell | 966 | $648.78 | $627K | -18.8% | — |
| Feb 11SEC | George FennellPresident | Sell | 397 | $644.02 | $256K | -18.2% | — |
| Feb 11SEC | George FennellPresident | Sell | 40 | $650.32 | $26K | -19.0% | — |
| Nov 10SEC | Nimrata HuntPresident | Sell | 5,114 | $702.20 | $3.6M | -24.9% | — |
| Nov 10SEC | Nimrata HuntPresident | Sell | 1,468 | $704.87 | $1.0M | -25.2% | — |
| Nov 10SEC | Nimrata HuntPresident | Sell | 1,465 | $703.73 | $1.0M | -25.1% | — |
| Nov 10SEC | Nimrata HuntPresident | Sell | 1,378 | $705.54 | $972K | -25.3% | — |
Insiders at Idexx Laboratories
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Jonathan Jay MazelskyCEO, President | — | $15.3M | Mar 2, 2026 | — |
| Nimrata HuntPresident | — | $9.5M | Mar 5, 2026 | — |
| George FennellPresident | — | $7.3M | Jun 2, 2026 | — |
| Michael G EricksonPresident | — | $3.4M | Feb 19, 2026 | — |
| Lawrence D KingsleyDirector | — | $1.2M | Sep 9, 2026 | — |
| Sophie V. VandebroekDirector | — | $920K | May 11, 2026 | — |
| Andrew EmersonCFO | — | — | Aug 24, 2026 | — |
| Joseph L HooleyDirector | — | — | Aug 3, 2026 | — |
| Daniel M JuniusDirector | — | — | May 11, 2026 | — |
| Karen PeacockDirector | — | — | May 11, 2026 | — |
| M Anne SzostakDirector | — | — | May 11, 2026 | — |
| Sharon E. UnderbergEvp, Gc & Corporate Secretary | — | — | Mar 5, 2026 | — |
| Michael SchreckPresident | — | — | Feb 17, 2026 | — |
| Martin Alexander SmithPresident | — | — | Feb 17, 2026 | — |
| Michael LanePresident | — | — | Feb 17, 2026 | — |
| Michael Perkins JohnsonPresident | — | — | Feb 17, 2026 | — |
Insider activity at other Health Care companies
Same sector, ranked by insider buying in the last 90 days.
Common questions about IDXX insiders
Are Idexx Laboratories insiders buying IDXX stock?
In the past 12 months, 0 insiders reported open-market purchases of IDXX worth $0.
Are Idexx Laboratories insiders selling IDXX stock?
6 insiders reported sales worth $37.7M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.