IDEXX LABORATORIES INC /DE — Director's Dealing 2017

Nov 7, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IDEXX LABORATORIES INC /DE (IDXX)
CIK: 0000874716
Period of Report: 2017-11-03

Reporting Person: AYERS JONATHAN W (Director, Chairman, President & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-11-03	Common Stock	M	18000	$38.750	Acquired	1064573	Direct
2017-11-03	Common Stock	S	2000	$151.2212	Disposed	1062573	Direct
2017-11-03	Common Stock	S	1100	$152.0536	Disposed	1061473	Direct
2017-11-03	Common Stock	S	4800	$153.3191	Disposed	1056673	Direct
2017-11-03	Common Stock	S	5200	$154.2946	Disposed	1051473	Direct
2017-11-03	Common Stock	S	4900	$154.9893	Disposed	1046573	Direct
2017-11-06	Common Stock	M	18000	$38.750	Acquired	1064573	Direct
2017-11-06	Common Stock	S	5300	$149.8731	Disposed	1059273	Direct
2017-11-06	Common Stock	S	3900	$150.9719	Disposed	1055373	Direct
2017-11-06	Common Stock	S	6200	$152.2447	Disposed	1049173	Direct
2017-11-06	Common Stock	S	1700	$152.8982	Disposed	1047473	Direct
2017-11-06	Common Stock	S	900	$154.7466	Disposed	1046573	Direct
2017-11-07	Common Stock	M	18000	$38.750	Acquired	1064573	Direct
2017-11-07	Common Stock	S	7900	$147.5486	Disposed	1056673	Direct
2017-11-07	Common Stock	S	2800	$148.3546	Disposed	1053873	Direct
2017-11-07	Common Stock	S	7000	$150.2090	Disposed	1046873	Direct
2017-11-07	Common Stock	S	300	$151.0366	Disposed	1046573	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-11-03	Non-Qualified Stock Option (right-to-buy)	$38.750	M	18000	Disposed	2018-02-13	Common Stock (18000)	Direct
2017-11-06	Non-Qualified Stock Option (right-to-buy)	$38.750	M	18000	Disposed	2018-02-13	Common Stock (18000)	Direct
2017-11-07	Non-Qualified Stock Option (right-to-buy)	$38.750	M	18000	Disposed	2018-02-13	Common Stock (18000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	98000	Indirect

Footnotes

F1: Sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2: Represents the weighted average sales price of the shares sold ranging from a low of $150.67 to a high of $151.67 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: Represents the weighted average sales price of the shares sold ranging from a low of $151.68 to a high of $152.52 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.

F4: Represents the weighted average sales price of the shares sold ranging from a low of $152.69 to a high of $153.50 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.

F5: Represents the weighted average sales price of the shares sold ranging from a low of $153.70 to a high of $154.63 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.

F6: Represents the weighted average sales price of the shares sold ranging from a low of $154.72 to a high of $155.11 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.

F7: Represents the weighted average sales price of the shares sold ranging from a low of $149.50 to a high of $150.20 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.

F8: Represents the weighted average sales price of the shares sold ranging from a low of $150.56 to a high of $151.4801 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.

F9: Represents the weighted average sales price of the shares sold ranging from a low of $151.66 to a high of $152.66 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.

F10: Represents the weighted average sales price of the shares sold ranging from a low of $152.67 to a high of $153.06 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.

F11: Represents the weighted average sales price of the shares sold ranging from a low of $154.71 to a high of $154.81 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.

F12: Represents the weighted average sales price of the shares sold ranging from a low of $147.08 to a high of $148.03 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.

F13: Represents the weighted average sales price of the shares sold ranging from a low of $148.13 to a high of $148.71 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.

F14: Represents the weighted average sales price of the shares sold ranging from a low of $150.00 to a high of $151.00 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.

F15: Represents the weighted average sales price of the shares sold ranging from a low of $151.03 to a high of $151.05 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.

F16: Grant of option to buy 200,000 shares of IDEXX Laboratories, Inc. common stock that became exercisable in five equal annual installments beginning on February 14, 2012 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.

F17: Not applicable.