IDEXX LABORATORIES INC /DE — Director's Dealing 2016

Feb 17, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IDEXX LABORATORIES INC /DE (IDXX)
CIK: 0000874716
Period of Report: 2016-02-14

Reporting Person: Studer Jacqueline (See Remarks)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-02-14	Common Stock	M	346	$0.00	Acquired	1338	Direct
2016-02-14	Common Stock	F	130	$67.85	Disposed	1208	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-02-14	Non-Qualified Stock Option (right-to-buy)	$67.85	A	22027	Acquired	2026-02-13	Common Stock (22027)	Direct
2016-02-14	Incentive Stock Option (right-to-buy)	$67.85	A	1477	Acquired	2026-02-13	Common Stock (1477)	Direct
2016-02-14	Restricted Stock Unit	$	A	2027	Acquired		Common Stock (2027)	Direct
2016-02-14	Restricted Stock Unit	$	M	346	Disposed		Common Stock (346)	Direct

Footnotes

F1: Includes 145 shares in total acquired under the IDEXX Laboratories, Inc. Employee Stock Purchase Plan on September 30, 2015 (66) and December 31, 2015 (79), respectively.

F2: Closing price of Issuer's common stock on the NASDAQ market on February 12, 2016.

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, 2017.

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, 2016. 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: Not applicable.