<SEC-DOCUMENT>0001567619-20-020982.txt : 20201211
<SEC-HEADER>0001567619-20-020982.hdr.sgml : 20201211
<ACCEPTANCE-DATETIME>20201211170045
ACCESSION NUMBER:		0001567619-20-020982
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20201102
FILED AS OF DATE:		20201211
DATE AS OF CHANGE:		20201211

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			AYERS JONATHAN W
		CENTRAL INDEX KEY:			0001184149

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19271
		FILM NUMBER:		201384176

	MAIL ADDRESS:	
		STREET 1:		IDEXX LABORATORIES, INC.
		STREET 2:		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>
<DOCUMENT>
<TYPE>4/A
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                    <value>10000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>by Ayers Family Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Shares withheld for the payment of taxes on the conversion of 14,791 deferred stock units ('DSUs') acquired pursuant to the IDEXX Laboratories, Inc. Executive Deferred Compensation Plan and which were reported previously on Table I and represented a right to receive one share of Issuer common stock without giving effect to the 2-for-1 stock split of IDEXX Laboratories, Inc. common stock that occurred on November 7, 2007 and on June 15, 2015 (the &quot;Stock Splits&quot;). The total number of securities previously reported as beneficially owned, as adjusted to reflect the Stock Splits, is 59,164 DSUs, which were converted to an equal number of shares of Issuer common stock one year following the reporting person's resignation as an executive from IDEXX Laboratories, Inc.</footnote>
        <footnote id="F2">Represents the weighted average price of the shares sold ranging from a low of $429.39 to a high of $430.375 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 purchased at each separate price.</footnote>
        <footnote id="F3">Represents the weighted average price of the shares sold ranging from a low of $430.42 to a high of $431.28 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 purchased at each separate price.</footnote>
        <footnote id="F4">Represents the weighted average price of the shares sold ranging from a low of $431.815 to a high of $432.72 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 purchased at each separate price.</footnote>
        <footnote id="F5">Represents the weighted average price of the shares sold ranging from a low of $432.96 to a high of $433.96 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 purchased at each separate price.</footnote>
        <footnote id="F6">Represents the weighted average price of the shares sold ranging from a low of $433.99 to a high of $434.88 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 purchased at each separate price.</footnote>
        <footnote id="F7">Represents the weighted average price of the shares sold ranging from a low of $435.17 to a high of $436.10 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 purchased at each separate price.</footnote>
        <footnote id="F8">Represents the weighted average price of the shares sold ranging from a low of $436.18 to a high of $437.04 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 purchased at each separate price.</footnote>
        <footnote id="F9">Represents the weighted average price of the shares sold ranging from a low of $438.01 to a high of $439.00 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 purchased at each separate price.</footnote>
        <footnote id="F10">Represents the weighted average price of the shares sold ranging from a low of $439.045 to a high of $439.83 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 purchased at each separate price.</footnote>
        <footnote id="F11">Represents the weighted average price of the shares sold ranging from a low of $439.029 to a high of $439.77 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 purchased at each separate price.</footnote>
        <footnote id="F12">Represents the weighted average price of the shares sold ranging from a low of $441.89 to a high of $442.77 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 purchased at each separate price.</footnote>
        <footnote id="F13">Represents the weighted average price of the shares sold ranging from a low of $443.17 to a high of $444.10 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 purchased at each separate price.</footnote>
        <footnote id="F14">Represents the weighted average price of the shares sold ranging from a low of $444.35 to a high of $445.27 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 purchased at each separate price.</footnote>
        <footnote id="F15">Represents the weighted average price of the shares sold ranging from a low of $445.46 to a high of $446.31 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 purchased at each separate price.</footnote>
        <footnote id="F16">Represents the weighted average price of the shares sold ranging from a low of $446.74 to a high of $447.10 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 purchased at each separate price.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Lily J. Lu, Attorney-in-Fact for Jonathan W. Ayers</signatureName>
        <signatureDate>2020-12-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
