Szostak M Anne - May 11, 2022 Form 4 Insider Report for IDEXX LABORATORIES INC /DE (IDXX)

Role: Director
Signature: /s/ Lily J. Lu, Attorney-in-Fact for M. Anne Szostak
Stock symbol: IDXX
Transactions as of: May 11, 2022
Transactions value $: $0
Form type: 4
Date filed: 5/13/2022, 05:58 PM
Previous filing: May 10, 2022
Next filing: Dec 6, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	IDXX	Common Stock	Options Exercise	$0	+224		$0.00	224	May 11, 2022	Direct
holding	IDXX	Common Stock						6.56K	May 11, 2022	2021 Szostak IDEXX GRAT	F1
holding	IDXX	Common Stock						660	May 11, 2022	Trust of M. Anne Szostak	F2

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	Non-Qualified Stock Option (right-to-buy)	Award		+945			945	May 11, 2022	Common Stock	945	$333.90	Direct	F3, F6
transaction	IDXX	Restricted Stock Unit	Award		+344	+153.57%		568	May 11, 2022	Common Stock	344		Direct	F4, F6
transaction	IDXX	Restricted Stock Unit	Options Exercise		-224	-39.44%		344	May 11, 2022	Common Stock	224		Direct	F5, F6

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

Explanation of Responses:

Id	Content
F1	The reporting person is the settlor and trustee of the 2021 Szostak IDEXX GRAT (the "GRAT"). The GRAT is irrevocable, and the reporting person disclaims beneficial ownership of these shares except to the extent of her pecuniary interest therein.
F2	The reporting person is the settlor of the Trust of M. Anne Szostak ("Trust") and the trustee of the Trust, has power to direct the distribution of Trust assets, and has the power to revoke or amend the Trust. The reporting person has a pecuniary interest in the shares transferred to the Trust.
F3	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 2023 annual meeting of shareholders, whichever event is earlier.
F4	Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. Restricted stock units vest in in one installment on the one year anniversary of the date of grant or on the date of the 2023 annual meeting of shareholders, whichever event is earlier.
F5	Each restricted stock unit represents a contingent right to receive one share of IDEXX Laboratories, Inc. common stock. These restricted stock units vested in in one installment on the one year anniversary of the date of grant or on the date of the 2022 annual meeting of shareholders, whichever event was earlier.
F6	Not applicable.