<SEC-DOCUMENT>0001562180-16-002214.txt : 20160506
<SEC-HEADER>0001562180-16-002214.hdr.sgml : 20160506
<ACCEPTANCE-DATETIME>20160506191436
ACCESSION NUMBER:		0001562180-16-002214
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20151231
FILED AS OF DATE:		20160506
DATE AS OF CHANGE:		20160506

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GLAUKOS Corp
		CENTRAL INDEX KEY:			0001192448
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		26051 MERIT CIRCLE
		STREET 2:		SUITE 103
		CITY:			LAGUNA HILLS
		STATE:			CA
		ZIP:			92653
		BUSINESS PHONE:		949-367-9600

	MAIL ADDRESS:	
		STREET 1:		26051 MERIT CIRCLE, SUITE 103
		CITY:			LAGUNA HILLS
		STATE:			CA
		ZIP:			92653

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GLAUKOS CORP
		DATE OF NAME CHANGE:	20020925

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HARRISON RICHARD L
		CENTRAL INDEX KEY:			0001186724

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37463
		FILM NUMBER:		161629607

	MAIL ADDRESS:	
		STREET 1:		26051 MERIT CIRCLE
		STREET 2:		SUITE 103
		CITY:			LAGUNA HILLS
		STATE:			CA
		ZIP:			92653
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>primarydocument.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2015-12-31</periodOfReport>

    <dateOfOriginalSubmission>2016-01-04</dateOfOriginalSubmission>

    <notSubjectToSection16>false</notSubjectToSection16>

    <issuer>
        <issuerCik>0001192448</issuerCik>
        <issuerName>GLAUKOS Corp</issuerName>
        <issuerTradingSymbol>GKOS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001186724</rptOwnerCik>
            <rptOwnerName>HARRISON RICHARD L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O GLAUKOS CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>20651 MERIT CIRCLE, SUITE 103</rptOwnerStreet2>
            <rptOwnerCity>LAGUNA HILLS</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92653</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>Treasurer, CFO &amp; Secretary</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2015-12-31</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value>E</value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1388.00</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>15.30</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4656.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">This Amendment is being filed solely to change the transaction code previously provided to identify the transaction reported as exempt from Section 16(b) under Rule 16b-3(c). The transaction reported in this Amendment is otherwise identical to the transaction reported in the Form 4 previously filed on behalf of the Reporting Person on January 4, 2016 to report the shares of the Issuer's common stock acquired under the Issuer's Employee Share Purchase Plan on December 31, 2015. The information contained in this Amendment does not account for the Reporting Person's transactions in the Issuer's common stock subsequent to December 31, 2015.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Robert Davis, Attorney-in-Fact</signatureName>
        <signatureDate>2016-05-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
