STUART ESSIG - 06 May 2025 Form 4 Insider Report for IDEXX LABORATORIES INC /DE (IDXX)

Role: Director
Signature: /s/ Lily J. Lu, Attorney-in-Fact for Stuart Essig
Issuer symbol: IDXX
Transactions as of: 06 May 2025
Transactions value $: $0
Form type: 4
Filing time: 08 May 2025, 19:00:53 UTC
Previous filing: 03 Apr 2025
Next filing: 13 May 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
ESSIG STUART	Director	ONE IDEXX DRIVE, WESTBROOK	/s/ Lily J. Lu, Attorney-in-Fact for Stuart Essig	08 May 2025	0001187574

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	IDXX	Common Stock	Options Exercise	$0	+262	+13.27%	$0.00	2.24K	06 May 2025	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	IDXX	Restricted Stock Unit	Options Exercise	$0	-262	-100%	$0.00	0	06 May 2025	Common Stock	262		Direct	F1
transaction	IDXX	Non-Qualified Stock Option (right-to-buy)	Award	$0	+600		$0.00	600	07 May 2025	Common Stock	600	$486.61	Direct	F2
transaction	IDXX	Deferred Stock Unit	Award	$0	+257		$0.00	257	07 May 2025	Common Stock	257		Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. These restricted stock units vested in one installment on the one year anniversary of the date of grant or on the date of the 2025 annual meeting of shareholders, whichever event was earlier.
F2	Grant of option to buy shares of IDEXX Laboratories, Inc. common stock that vest in one installment on the one year anniversary of the date of grant or on the date of the 2026 annual meeting of shareholders, whichever event is earlier.
F3	Each deferred stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. These deferred stock units vest in one installment on the one year anniversary of the date of grant or on the date of the 2026 annual meeting of shareholders, whichever event is earlier, and by default are payable as common stock as soon as practicable following the date of the Director's resignation from the Board of Directors.