Jonathan Jay Mazelsky - 05 Aug 2024 Form 4 Insider Report for IDEXX LABORATORIES INC /DE (IDXX)

Role: President and CEO, Director
Signature: /s/ Lily J. Lu, Attorney-in-Fact for Jonathan Jay Mazelsky
Issuer symbol: IDXX
Transactions as of: 05 Aug 2024
Net transactions value: -$77,364
Form type: 4
Filing time: 07 Aug 2024, 17:00:10 UTC
Previous filing: 15 Jul 2024
Next filing: 01 Oct 2024
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	IDXX	Common Stock	Options Exercise	$0	+384	+0.47%	$0.000000	81,903	05 Aug 2024	Direct	F1
transaction	IDXX	Common Stock	Tax liability	$77,364	-170	-0.21%	$455.08	81,733	05 Aug 2024	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		-384	-100%		0	05 Aug 2024	Common Stock	384		Direct	F2, F3

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

Explanation of Responses:

Id	Content
F1	Includes a total of 22 shares purchased under the Issuer's Employee Stock Purchase Plan on March 29, 2024 and June 28, 2024.
F2	Each restricted stock unit ('RSU') represents a contingent right to receive one share of Issuer common stock. This RSU grant vested in five annual installments, beginning August 5, 2020.
F3	Not applicable.