<SEC-DOCUMENT>0001179110-21-007435.txt : 20210707
<SEC-HEADER>0001179110-21-007435.hdr.sgml : 20210707
<ACCEPTANCE-DATETIME>20210707164602
ACCESSION NUMBER:		0001179110-21-007435
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210630
FILED AS OF DATE:		20210707
DATE AS OF CHANGE:		20210707

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Porshnev Peter
		CENTRAL INDEX KEY:			0001805363

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-16244
		FILM NUMBER:		211077908

	MAIL ADDRESS:	
		STREET 1:		C/O VEECO INSTRUMENTS INC.
		STREET 2:		1 TERMINAL DRIVE
		CITY:			PLAINVIEW
		STATE:			NY
		ZIP:			11803

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			VEECO INSTRUMENTS INC
		CENTRAL INDEX KEY:			0000103145
		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY, NEC [3559]
		IRS NUMBER:				112989601
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		TERMINAL DRIVE
		CITY:			PLAINVIEW
		STATE:			NY
		ZIP:			11803
		BUSINESS PHONE:		516 677-0200

	MAIL ADDRESS:	
		STREET 1:		TERMINAL DRIVE
		CITY:			PLAINVIEW
		STATE:			NY
		ZIP:			11803

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	VACUUM ELECTRONIC MANUFACTURING CORP
		DATE OF NAME CHANGE:	19700408
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-06-30</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000103145</issuerCik>
        <issuerName>VEECO INSTRUMENTS INC</issuerName>
        <issuerTradingSymbol>VECO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001805363</rptOwnerCik>
            <rptOwnerName>Porshnev Peter</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>VEECO INSTRUMENTS INC.</rptOwnerStreet1>
            <rptOwnerStreet2>TERMINAL DRIVE</rptOwnerStreet2>
            <rptOwnerCity>PLAINVIEW</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>11803</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP, Unified Engineering</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-06-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value>E</value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1407.658</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>15.096</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>86008.139</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents 1,407.658 shares purchased under the Veeco Employee Stock Purchase Plan on June 30, 2021.</footnote>
        <footnote id="F2">The Form 4 filed on June 18, 2021 for Dr. Porshnev reported total ownership in the amount of 85,972.4808 shares.  This amount overreported Dr. Porshnev's ownership by 1,372 shares, due to an error made in connection with the Form 4 filed on May 6, 2021 for Dr. Porshnev.  The total ownership amount reflected in this Form 4 is correct.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Kirk W. Mackey, Attorney-in-fact</signatureName>
        <signatureDate>2021-07-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
