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    <headerData>
        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001265677</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001816581</issuerCik>
            <issuerName>OUSTER, INC.</issuerName>
            <secFileNumber>001-39463</secFileNumber>
            <issuerAddress>
                <ns2:street1>350 Treat Avenue</ns2:street1>
                <ns2:city>San Francisco</ns2:city>
                <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                <ns2:zipCode>94110</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(415) 949-0108</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>MARK WEINSWIG</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>4460</noOfUnitsSold>
            <aggregateMarketValue>39749.75</aggregateMarketValue>
            <noOfUnitsOutstanding>49770639</noOfUnitsOutstanding>
            <approxSaleDate>11/21/2024</approxSaleDate>
            <securitiesExchangeName>NYSE</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <acquiredDate>09/11/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted Stock</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>4460</amountOfSecuritiesAcquired>
            <paymentDate>09/11/2024</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>MARK WEINSWIG</name>
                <address>
                    <ns2:street1>350 Treat Avenue</ns2:street1>
                    <ns2:city>San Francisco</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>94110</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>11/20/2024</saleDate>
            <amountOfSecuritiesSold>24220</amountOfSecuritiesSold>
            <grossProceeds>211353.41</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>MARK WEINSWIG</name>
                <address>
                    <ns2:street1>350 Treat Avenue</ns2:street1>
                    <ns2:city>San Francisco</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>94110</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>11/20/2024</saleDate>
            <amountOfSecuritiesSold>7177</amountOfSecuritiesSold>
            <grossProceeds>62554.01</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>MARK WEINSWIG</name>
                <address>
                    <ns2:street1>350 Treat Avenue</ns2:street1>
                    <ns2:city>San Francisco</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>94110</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>09/12/2024</saleDate>
            <amountOfSecuritiesSold>2540</amountOfSecuritiesSold>
            <grossProceeds>15654.90</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>MARK WEINSWIG</name>
                <address>
                    <ns2:street1>350 Treat Avenue</ns2:street1>
                    <ns2:city>San Francisco</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>94110</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>08/29/2024</saleDate>
            <amountOfSecuritiesSold>519</amountOfSecuritiesSold>
            <grossProceeds>3814.65</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>11/21/2024</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>05/21/2024</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ Mark Weinswig</signature>
        </noticeSignature>
    </formData>
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144
0001265677
XXXXXXXX
LIVE
0001816581
OUSTER, INC.
001-39463
350 Treat Avenue
San Francisco
CA
94110
(415) 949-0108
MARK WEINSWIG
Officer
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
4460
39749.75
49770639
11/21/2024
NYSE
COMMON
09/11/2024
Restricted Stock
ISSUER
N
4460
09/11/2024
Not Applicable
N
MARK WEINSWIG
350 Treat Avenue
San Francisco
CA
94110
Common
11/20/2024
24220
211353.41
MARK WEINSWIG
350 Treat Avenue
San Francisco
CA
94110
Common
11/20/2024
7177
62554.01
MARK WEINSWIG
350 Treat Avenue
San Francisco
CA
94110
Common
09/12/2024
2540
15654.90
MARK WEINSWIG
350 Treat Avenue
San Francisco
CA
94110
Common
08/29/2024
519
3814.65
11/21/2024
05/21/2024
/s/ Mark Weinswig