IDEXX Laboratories Ownership & Insider Activity

IDEXX Laboratories (IDXX) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 1.0% of shares outstanding. Institutional investors hold 68.8%.

Shares Outstanding

78.781M

Shares Float

68.899M

Insider Shares Owned

749.467K

Insider % Owned

1.0%

Institutional Shares Held

54.172M

Institutional % Held

68.8%

Ownership Breakdown

Net Insider Activity by Month

IDEXX Laboratories Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Sep 4, 2026	Lawrence D Kingsley	DIRECTOR	SELL-OPTIONS	—	$323.13	$921K

Date	Member	Party	Chamber	Action	Amount
Jan 13, 2026	April McClain Delaney	D	House	Sale	$1,001 - $15,000
Dec 2, 2025	April McClain Delaney	D	House	Sale (Partial)	$1,001 - $15,000
Oct 29, 2025	April McClain Delaney	D	House	Sale (Partial)	$1,001 - $15,000
Oct 16, 2025	April McClain Delaney	D	House	Sale (Partial)	$1,001 - $15,000
Sep 4, 2025	Byron Donalds	R	House	Purchase	$1,001 - $15,000
Sep 4, 2025	Byron Donalds	R	House	Purchase	$1,001 - $15,000
Aug 7, 2025	April McClain Delaney	D	House	Sale (Partial)	$1,001 - $15,000
Aug 1, 2025	April McClain Delaney	D	House	Sale (Partial)	$1,001 - $15,000
Jul 9, 2025	April McClain Delaney	D	House	Sale (Partial)	$1,001 - $15,000
May 15, 2025	Robert Bresnahan	R	House	Purchase	$1,001 - $15,000
May 12, 2025	Jefferson Shreve	R	House	Sale	$100,001 - $250,000
Apr 9, 2025	April McClain Delaney	D	House	Purchase	$1,001 - $15,000
Apr 8, 2025	Robert Bresnahan	R	House	Sale	$1,001 - $15,000
Apr 7, 2025	April McClain Delaney	D	House	Purchase	$1,001 - $15,000
Apr 7, 2025	Jefferson Shreve	R	House	Purchase	$50,001 - $100,000
Apr 4, 2025	April McClain Delaney	D	House	Purchase	$1,001 - $15,000
Apr 1, 2025	April McClain Delaney	D	House	Purchase	$1,001 - $15,000
Mar 14, 2025	April McClain Delaney	D	House	Purchase	$1,001 - $15,000
Mar 13, 2025	Jefferson Shreve	R	House	Purchase	$15,001 - $50,000
Feb 25, 2025	Robert Bresnahan	R	House	Purchase	$1,001 - $15,000