IDEXX LABORATORIES INC /DE — Director's Dealing 2017

Feb 16, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IDEXX LABORATORIES INC /DE (IDXX)
CIK: 0000874716
Period of Report: 2017-02-14

Reporting Person: MAZELSKY JAY (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-02-14	Common Stock	M	545	—	Acquired	16190	Direct
2017-02-14	Common Stock	M	403	—	Acquired	16593	Direct
2017-02-14	Common Stock	M	472	—	Acquired	17065	Direct
2017-02-14	Common Stock	M	737	—	Acquired	17802	Direct
2017-02-14	Common Stock	F	719	$141.60	Disposed	17083	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-02-14	Non-Qualified Stock Option (right-to-buy)	$141.60	A	23326	Acquired	2027-02-13	Common Stock (23326)	Direct
2017-02-14	Incentive Stock Option (right-to-buy)	$141.60	A	706	Acquired	2027-02-13	Common Stock (706)	Direct
2017-02-14	Restricted Stock Unit	$	A	2295	Acquired		Common Stock (2295)	Direct
2017-02-14	Restricted Stock Unit	$	M	545	Disposed		Common Stock (545)	Direct
2017-02-14	Restricted Stock Unit	$	M	403	Disposed		Common Stock (403)	Direct
2017-02-14	Restricted Stock Unit	$	M	472	Disposed		Common Stock (472)	Direct
2017-02-14	Restricted Stock Unit	$	M	737	Disposed		Common Stock (737)	Direct

Footnotes

F1: Includes 52 shares acquired under the IDEXX Laboratories, Inc. Employee Stock Purchase Plan on December 31, 2016.

F2: Closing price of Issuer's common stock on the NASDAQ market on February 14, 2017.

F3: Grant of option to buy shares of Issuer common stock that becomes exercisable in five annual installments beginning February 14, 2017.

F4: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2018.

F5: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2014. The number of RSUs have been adjusted to reflect the 2-for-1 stock split of Issuer common stock that occurred on June 15, 2015 (the "Stock Split").

F6: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2015 and has been adjusted to reflect the Stock Split.

F7: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2016 and has been adjusted to reflect the Stock Split.

F8: Each RSU represents a contingent right to receive one share of Issuer common stock. This RSU grant vests in five equal annual installments, beginning February 14, 2017.

F9: Not applicable.