IDEXX LABORATORIES INC /DE — Director's Dealing 2018

Aug 23, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IDEXX LABORATORIES INC /DE (IDXX)
CIK: 0000874716
Period of Report: 2018-08-21

Reporting Person: TWIGGE GIOVANI (CORPORATE VICE PRESIDENT)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-08-21	Common Stock	M	11372	$43.71	Acquired	25546	Direct
2018-08-21	Common Stock	S	11372	$242.7077	Disposed	14174	Direct
2018-08-23	Common Stock	M	2286	$43.71	Acquired	16460	Direct
2018-08-23	Common Stock	M	2180	$45.84	Acquired	18640	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-08-21	Non-Qualified Stock Option (right-to-buy)	$43.71	M	11372	Disposed	2019-02-13	Common Stock (11372)	Direct
2018-08-23	Incentive Stock Option (right-to-buy)	$43.71	M	2286	Disposed	2019-02-13	Common Stock (2286)	Direct
2018-08-23	Incentive Stock Option (right-to-buy)	$45.84	M	2180	Disposed	2020-02-13	Common Stock (2180)	Direct

Footnotes

F1: Includes 24 shares shares acquired under the IDEXX Laboratories, Inc. Employee Stock Purchase Plan on June 30, 2018

F2: Represents the weighted average sales price of the shares sold ranging from a low of $242.51 to a high of $243.25 per share. The undersigned undertakes, upon request by the Commission staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.

F3: Grant of option to buy 7,394 shares of Issuer common stock that vested in five annual installments beginning on February 14, 2013, without giving effect to the 2-for-1 stock split of IDEXX Laboratories, Inc. common stock that occurred on June 15, 2015 (the "Stock Split"). The number of derivative securities reported as beneficially owned with respect to this option and its exercise price were adjusted to reflect the Stock Split.

F4: Grant of option to buy 1,143 shares of Issuer common stock that vested in one installment on February 14, 2017, without giving effect to the Stock Split. The number of derivative securities reported as beneficially owned with respect to this option and its exercise price were adjusted to reflect the Stock Split.

F5: Grant of option to buy 1,090 shares of Issuer common stock that vested in one installment on February 14, 2018, without giving effect to the Stock Split. The number of derivative securities reported as beneficially owned with respect to this option and its exercise price were adjusted to reflect the Stock Split.

F6: Not applicable.