JONATHAN JAY MAZELSKY - 05 Aug 2022 Form 4 Insider Report for IDEXX LABORATORIES INC /DE (IDXX)

Role: President & CEO, Director
Signature: /s/ Lily J. Lu, Attorney-in-Fact for Jonathan Jay Mazelsky
Issuer symbol: IDXX
Transactions as of: 05 Aug 2022
Net transactions value: -$72,993
Form type: 4
Filing time: 08 Aug 2022, 17:00:39 UTC
Previous filing: 23 May 2022
Next filing: 09 Nov 2022
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	+385	+0.75%	$0.000000	51,697	05 Aug 2022	Direct	F1
transaction	IDXX	Common Stock	Tax liability	$72,993	-179	-0.35%	$407.78	51,518	05 Aug 2022	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		-385	-3.7%		9,990	05 Aug 2022	Common Stock	385		Direct	F2, F3

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

Explanation of Responses:

Id	Content
F1	Includes 11 shares acquired under the IDEXX Laboratories, Inc. Employee Stock Purchase Plan on June 30, 2022.
F2	Each restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five annual installments, beginning August 5, 2020.
F3	Not applicable.