<SEC-DOCUMENT>0001127602-16-069057.txt : 20161205
<SEC-HEADER>0001127602-16-069057.hdr.sgml : 20161205
<ACCEPTANCE-DATETIME>20161205083727
ACCESSION NUMBER:		0001127602-16-069057
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20161202
FILED AS OF DATE:		20161205
DATE AS OF CHANGE:		20161205

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INSULET CORP
		CENTRAL INDEX KEY:			0001145197
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				043523891
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		600 TECHNOLOGY PARK
		STREET 2:		SUITE 200
		CITY:			BILLERICA
		STATE:			MA
		ZIP:			01821
		BUSINESS PHONE:		978-600-7000

	MAIL ADDRESS:	
		STREET 1:		600 TECHNOLOGY PARK
		STREET 2:		SUITE 200
		CITY:			BILLERICA
		STATE:			MA
		ZIP:			01821

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SULLIVAN PATRICK J
		CENTRAL INDEX KEY:			0001039138
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33462
		FILM NUMBER:		162032742

	MAIL ADDRESS:	
		STREET 1:		85 SWANSON ROAD
		STREET 2:		.
		CITY:			BOXBOROUGH
		STATE:			MA
		ZIP:			01719
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2016-12-02</periodOfReport>

    <issuer>
        <issuerCik>0001145197</issuerCik>
        <issuerName>INSULET CORP</issuerName>
        <issuerTradingSymbol>PODD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001039138</rptOwnerCik>
            <rptOwnerName>SULLIVAN PATRICK J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O INSULET CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>600 TECHNOLOGY PARK DRIVE, SUITE 200</rptOwnerStreet2>
            <rptOwnerCity>BILLERICA</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>01821</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <officerTitle>CEO and Chairman of the Board</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2016-12-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>40000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>33.893</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>261544</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The price reported represents the weighted average purchase price of the shares purchased.  The shares were purchased at varying prices in the range of $33.089 to $34.000.  The Reporting Person hereby undertakes, upon request of the Staff of the U.S. Securities Exchange Commission, 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="F2">Includes an aggregate of 1,451 shares acquired under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 777 shares on December 31, 2015 and 674 shares acquired on June 30, 2016.</footnote>
        <footnote id="F3">Includes 29,100 restricted stock units granted on March 2, 2015, which vest one-half of the total units on March 2, 2017 and one-half of the total units on March 2, 2018; 30,432 performance share units granted on April 1, 2015, which vest one-half of the total performance share units on April 1, 2017 and one-half of the total performance share units on April 1, 2018; and 42,720 restricted stock units granted on February 24, 2016, which vest one-third of the total units on February 24, 2017, one-third of the total units on February 24, 2018 and one-third of the total units on February 24, 2019.  Vested shares will be delivered to the reporting person as soon as practicable following a vesting date.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ David Colleran, attorney-in-fact</signatureName>
        <signatureDate>2016-12-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
