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IDEXX Laboratories Inc. planned insider sales

In the twelve months since 23 September 2025 insiders at IDEXX Laboratories Inc. filed 9 Form 144 notices of planned sales, 58,929 shares worth $38.4 million at the time of filing, from 7 sellers. The latest, filed 4 September 2026: Lawrence D Kingsley (director), 2,203 shares worth $1.2 million, planned for around 4 September 2026 through Morgan Stanley Smith Barney LLC Executive Financial Services.

FiledSellerRelationshipSharesValuePlanned saleBrokerHow acquiredFiling
4 September 2026Lawrence D KingsleyDirector2,203$1.2 million4 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
20 May 2026Margaret Anne SzostakDirector1,344$744,01220 May 2026Goldman Sachs & Co. LLCRestricted Stock UnitsForm 144
3 March 2026Nimrata K HuntOfficer1,758$1.1 million3 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercised SharesForm 144
26 February 2026Jonathan J MazelskyOfficer, Director23,326$15.3 million26 February 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
25 February 2026Nimrata K HuntOfficer2,693$1.8 million25 February 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercised SharesForm 144
17 February 2026Sophie V VandebroekDirector1,464$920,29317 February 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock; Stock Option ExerciseForm 144
17 February 2026Michael G EricksonOfficer5,371$3.4 million17 February 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
10 February 2026George FennellOfficer11,345$7.3 million10 February 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
7 November 2025Nimrata K HuntOfficer9,425$6.6 million7 November 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144

A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was. Value is the filer's own aggregate market value. Whether the sale happened shows up later on Form 4, on the insiders page.

Source

Form 144 filings on EDGAR for IDEXX Laboratories Inc.: the company's filing index, each notice read from its own XML.

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