<SEC-DOCUMENT>0001209191-21-070571.txt : 20211220
<SEC-HEADER>0001209191-21-070571.hdr.sgml : 20211220
<ACCEPTANCE-DATETIME>20211220163020
ACCESSION NUMBER:		0001209191-21-070571
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20211216
FILED AS OF DATE:		20211220
DATE AS OF CHANGE:		20211220

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Kantheti Krishna
		CENTRAL INDEX KEY:			0001848814

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39463
		FILM NUMBER:		211505613

	MAIL ADDRESS:	
		STREET 1:		C/O OUSTER, INC.
		STREET 2:		350 TREAT AVENUE
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94110

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Banyan Venture Holdings LLC
		CENTRAL INDEX KEY:			0001850555

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39463
		FILM NUMBER:		211505612

	BUSINESS ADDRESS:	
		STREET 1:		500 108TH AVE NE, SUITE 1100
		CITY:			BELLEVUE
		STATE:			WA
		ZIP:			98004
		BUSINESS PHONE:		(646) 596-6629

	MAIL ADDRESS:	
		STREET 1:		500 108TH AVE NE, SUITE 1100
		CITY:			BELLEVUE
		STATE:			WA
		ZIP:			98004

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Ouster, Inc.
		CENTRAL INDEX KEY:			0001816581
		STANDARD INDUSTRIAL CLASSIFICATION:	GENERAL INDUSTRIAL MACHINERY & EQUIPMENT, NEC [3569]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		350 TREAT AVENUE
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94110
		BUSINESS PHONE:		(415) 987-6972

	MAIL ADDRESS:	
		STREET 1:		350 TREAT AVENUE
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Colonnade Acquisition Corp.
		DATE OF NAME CHANGE:	20200701
</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>2021-12-16</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001816581</issuerCik>
        <issuerName>Ouster, Inc.</issuerName>
        <issuerTradingSymbol>OUST</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001848814</rptOwnerCik>
            <rptOwnerName>Kantheti Krishna</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BANYAN VENTURE HOLDINGS LLC</rptOwnerStreet1>
            <rptOwnerStreet2>215 NW 24TH ST., SUITE 501</rptOwnerStreet2>
            <rptOwnerCity>MIAMI</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33127</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001850555</rptOwnerCik>
            <rptOwnerName>Banyan Venture Holdings LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BANYAN VENTURE HOLDINGS LLC</rptOwnerStreet1>
            <rptOwnerStreet2>215 NW 24TH ST., SUITE 501</rptOwnerStreet2>
            <rptOwnerCity>MIAMI</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33127</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-12-16</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>87552</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>6.08</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>25572646</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Banyan Venture Holdings LLC</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $6.00 to $6.22, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.</footnote>
        <footnote id="F2">Mr. Kantheti is a Manager of Banyan Venture Holdings LLC (&quot;Banyan&quot;). As a result, Mr. Kantheti may be deemed to beneficially own the securities held by Banyan. Mr. Kantheti disclaims beneficial ownership of the securities held by Banyan except to the extent of his pecuniary interest therein.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Krishna Kantheti</signatureName>
        <signatureDate>2021-12-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Banyan Venture Holdings LLC, by /s/ Krishna Kantheti, as Manager</signatureName>
        <signatureDate>2021-12-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
