<SEC-DOCUMENT>0001567619-19-016171.txt : 20190809
<SEC-HEADER>0001567619-19-016171.hdr.sgml : 20190809
<ACCEPTANCE-DATETIME>20190809170435
ACCESSION NUMBER:		0001567619-19-016171
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190808
FILED AS OF DATE:		20190809
DATE AS OF CHANGE:		20190809

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MAZELSKY JAY
		CENTRAL INDEX KEY:			0001556270

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19271
		FILM NUMBER:		191013680

	MAIL ADDRESS:	
		STREET 1:		ONE IDEXX DRIVE
		CITY:			WESTBROOK
		STATE:			ME
		ZIP:			04092

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IDEXX LABORATORIES INC /DE
		CENTRAL INDEX KEY:			0000874716
		STANDARD INDUSTRIAL CLASSIFICATION:	IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835]
		IRS NUMBER:				010393723
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE IDEXX DRIVE
		CITY:			WESTBROOK
		STATE:			ME
		ZIP:			04092-2041
		BUSINESS PHONE:		2075560300

	MAIL ADDRESS:	
		STREET 1:		ONE IDEXX DRIVE
		CITY:			WESTBROOK
		STATE:			ME
		ZIP:			04092-2041

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IDEXX CORP / DE
		DATE OF NAME CHANGE:	19600201
</SEC-HEADER>
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<SEQUENCE>1
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    <footnotes>
        <footnote id="F1">Grant of option to buy 13,014 shares of Issuer common stock that became exercisable in five annual installments beginning February 14, 2014 without giving effect to the 2-for-1 stock split of IDEXX Laboratories, Inc. common stock that occurred on June 15, 2015 (the &quot;Stock Split&quot;).  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.</footnote>
        <footnote id="F2">Grant of option to buy 1,424 shares of Issuer common stock that became exercisable in five annual installments beginning September 1, 2013 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.</footnote>
        <footnote id="F3">Grant of option to buy 5,255  shares of Issuer common stock that became exercisable in five annual installments beginning September 1, 2013 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.</footnote>
        <footnote id="F4">Not applicable.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Lily J. Lu, Attorney-in-Fact for Jay Mazelsky</signatureName>
        <signatureDate>2019-08-09</signatureDate>
    </ownerSignature>
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</SEC-DOCUMENT>
