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    <headerData>
        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001783312</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0000351834</issuerCik>
            <issuerName>SUNOPTA INC.</issuerName>
            <secFileNumber>001-34198</secFileNumber>
            <issuerAddress>
                <ns2:street1>7078 Shady Oak Road</ns2:street1>
                <ns2:city>Eden Prairie</ns2:city>
                <ns2:stateOrCountry>MN</ns2:stateOrCountry>
                <ns2:zipCode>55344</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(952) 820-2518</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>REBECCA FISHER</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Director</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>13142</noOfUnitsSold>
            <aggregateMarketValue>99643.96</aggregateMarketValue>
            <noOfUnitsOutstanding>116923545</noOfUnitsOutstanding>
            <approxSaleDate>11/19/2024</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>08/16/2020</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>3410</amountOfSecuritiesAcquired>
            <paymentDate>08/16/2020</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>10/21/2022</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>1115</amountOfSecuritiesAcquired>
            <paymentDate>10/21/2022</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>07/31/2020</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>3308</amountOfSecuritiesAcquired>
            <paymentDate>07/31/2020</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>02/02/2023</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>2533</amountOfSecuritiesAcquired>
            <paymentDate>02/02/2023</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>04/21/2023</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>2776</amountOfSecuritiesAcquired>
            <paymentDate>04/21/2023</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>11/19/2024</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ Rebecca Fisher</signature>
        </noticeSignature>
    </formData>
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144
0001783312
XXXXXXXX
LIVE
0000351834
SUNOPTA INC.
001-34198
7078 Shady Oak Road
Eden Prairie
MN
55344
(952) 820-2518
REBECCA FISHER
Director
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
13142
99643.96
116923545
11/19/2024
NASDAQ
Common
08/16/2020
Restricted stock vesting under a registered plan
Issuer
N
3410
08/16/2020
Not Applicable
Common
10/21/2022
Restricted stock vesting under a registered plan
Issuer
N
1115
10/21/2022
Not Applicable
Common
07/31/2020
Restricted stock vesting under a registered plan
Issuer
N
3308
07/31/2020
Not Applicable
Common
02/02/2023
Restricted stock vesting under a registered plan
Issuer
N
2533
02/02/2023
Not Applicable
Common
04/21/2023
Restricted stock vesting under a registered plan
Issuer
N
2776
04/21/2023
Not Applicable
Y
11/19/2024
/s/ Rebecca Fisher