<SEC-DOCUMENT>0000899243-21-040878.txt : 20211020
<SEC-HEADER>0000899243-21-040878.hdr.sgml : 20211020
<ACCEPTANCE-DATETIME>20211020203013
ACCESSION NUMBER:		0000899243-21-040878
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20211018
FILED AS OF DATE:		20211020
DATE AS OF CHANGE:		20211020

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Encrantz Staffan
		CENTRAL INDEX KEY:			0001870875

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40587
		FILM NUMBER:		211335405

	MAIL ADDRESS:	
		STREET 1:		C/O SIGHT SCIENCES, INC.
		STREET 2:		4040 CAMPBELL AVENUE, SUITE 100
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Sight Sciences, Inc.
		CENTRAL INDEX KEY:			0001531177
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				800625749
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3000 SAND HILL ROAD
		STREET 2:		BUILDING 3, SUITE 105
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		(415) 889-0550

	MAIL ADDRESS:	
		STREET 1:		3000 SAND HILL ROAD
		STREET 2:		BUILDING 3, SUITE 105
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-10-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001531177</issuerCik>
        <issuerName>Sight Sciences, Inc.</issuerName>
        <issuerTradingSymbol>SGHT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001870875</rptOwnerCik>
            <rptOwnerName>Encrantz Staffan</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SIGHT SCIENCES, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>4040 CAMPBELL AVE, SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-10-18</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>527048</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>24.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3497118</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>632456</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On September 2, 2021, the Reporting Person entered into a Stock Purchase Agreement to acquire these shares.  All material conditions to the completion of the purchase were satisfied as of October 18, 2021.  The closing of the stock purchase has not yet occurred.</footnote>
        <footnote id="F2">These shares are held of record by Allegro Investment Fund, L.P. (&quot;Allegro Investment Fund&quot;). The Reporting Person is the President of Allegro Investment Inc., the investment manager of Allegro Investment Fund, and may be deemed to beneficially own the shares held by Allegro Investment Fund. The Reporting Person disclaims beneficial ownership of the shares held by Allegro Investment Fund (and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such shares for purposes of Section 16 or for any other purpose), except to the extent of his pecuniary interest therein, if any.</footnote>
        <footnote id="F3">These shares are held of record by Allegro Investors LLC (&quot;Allegro Investors&quot;). The Reporting Person is a member of Allegro Investors and may be deemed to beneficially own the shares held by Allegro Investors.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jeremy Hayden, Attorney-in-Fact for Staffan Encrantz</signatureName>
        <signatureDate>2021-10-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
