<SEC-DOCUMENT>0001437749-19-010406.txt : 20190517
<SEC-HEADER>0001437749-19-010406.hdr.sgml : 20190517
<ACCEPTANCE-DATETIME>20190517163612
ACCESSION NUMBER:		0001437749-19-010406
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190515
FILED AS OF DATE:		20190517
DATE AS OF CHANGE:		20190517

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Chand Sujeet
		CENTRAL INDEX KEY:			0001388884

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35435
		FILM NUMBER:		19836290

	MAIL ADDRESS:	
		STREET 1:		ROCKWELL AUTOMATION, INC.
		STREET 2:		1201 SOUTH SECOND STREET
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53204

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Proto Labs Inc
		CENTRAL INDEX KEY:			0001443669
		STANDARD INDUSTRIAL CLASSIFICATION:	FABRICATED STRUCTURAL METAL PRODUCTS [3440]
		IRS NUMBER:				000000000
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		5540 Pioneer Creek
		CITY:			Maple Plain
		STATE:			MN
		ZIP:			55359
		BUSINESS PHONE:		763-479-7474

	MAIL ADDRESS:	
		STREET 1:		5540 Pioneer Creek
		CITY:			Maple Plain
		STATE:			MN
		ZIP:			55359
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rdgdoc.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-05-15</periodOfReport>

    <issuer>
        <issuerCik>0001443669</issuerCik>
        <issuerName>Proto Labs Inc</issuerName>
        <issuerTradingSymbol>PRLB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001388884</rptOwnerCik>
            <rptOwnerName>Chand Sujeet</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5540 PIONEER CREEK DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MAPLE PLAIN</rptOwnerCity>
            <rptOwnerState>MN</rptOwnerState>
            <rptOwnerZipCode>55359</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2019-05-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1311</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5547</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The deferred stock units vest in full on May 16, 2020, but must be retained by the reporting person until the completion of the reporting person's service on the Board of Directors of Proto Labs, Inc.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Samuel A. Rosenbaum, Attorney-in-Fact</signatureName>
        <signatureDate>2019-05-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
