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      <issuerName>TEEKAY TANKERS LTD.</issuerName>
      <secFileNumber>001-33867</secFileNumber>
      <issuerAddress>
        <com:street1>2ND FLOOR, SWAN BUILDING</com:street1>
        <com:street2>26 VICTORIA STREET</com:street2>
        <com:city>HAMILTON</com:city>
        <com:stateOrCountry>D0</com:stateOrCountry>
        <com:zipCode>HM12</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>(441)298-2530</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>DU MOULIN RICHARD T</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
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    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Wells Fargo Clearing Services LLC</name>
        <address>
          <com:street1>1 N. Jefferson</com:street1>
          <com:city>St. Louis</com:city>
          <com:stateOrCountry>MO</com:stateOrCountry>
          <com:zipCode>63103</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>2387</noOfUnitsSold>
      <aggregateMarketValue>107256.14</aggregateMarketValue>
      <noOfUnitsOutstanding>29730000</noOfUnitsOutstanding>
      <approxSaleDate>11/11/2024</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>08/17/2022</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Options</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>2387</amountOfSecuritiesAcquired>
      <paymentDate>08/17/2022</paymentDate>
      <natureOfPayment>cash</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
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      <sellerDetails>
        <name>RICHARD T DU MOULIN</name>
        <address>
          <com:street1>4TH FLOOR, BELVEDERE BUILDING</com:street1>
          <com:street2>69 PITTS BAY ROAD</com:street2>
          <com:city>HAMILTON</com:city>
          <com:stateOrCountry>D0</com:stateOrCountry>
          <com:zipCode>HM08</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>09/17/2024</saleDate>
      <amountOfSecuritiesSold>1000</amountOfSecuritiesSold>
      <grossProceeds>55866.44</grossProceeds>
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    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>RICHARD T DU MOULIN</name>
        <address>
          <com:street1>4TH FLOOR, BELVEDERE BUILDING</com:street1>
          <com:street2>69 PITTS BAY ROAD</com:street2>
          <com:city>HAMILTON</com:city>
          <com:stateOrCountry>D0</com:stateOrCountry>
          <com:zipCode>HM08</com:zipCode>
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      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>09/18/2024</saleDate>
      <amountOfSecuritiesSold>1047</amountOfSecuritiesSold>
      <grossProceeds>58477.43</grossProceeds>
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      <sellerDetails>
        <name>RICHARD T DU MOULIN</name>
        <address>
          <com:street1>4TH FLOOR, BELVEDERE BUILDING</com:street1>
          <com:street2>69 PITTS BAY ROAD</com:street2>
          <com:city>HAMILTON</com:city>
          <com:stateOrCountry>D0</com:stateOrCountry>
          <com:zipCode>HM08</com:zipCode>
        </address>
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      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>09/24/2024</saleDate>
      <amountOfSecuritiesSold>1000</amountOfSecuritiesSold>
      <grossProceeds>56866.42</grossProceeds>
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    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>RICHARD T DU MOULIN</name>
        <address>
          <com:street1>4TH FLOOR, BELVEDERE BUILDING</com:street1>
          <com:street2>69 PITTS BAY ROAD</com:street2>
          <com:city>HAMILTON</com:city>
          <com:stateOrCountry>D0</com:stateOrCountry>
          <com:zipCode>HM08</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>09/26/2024</saleDate>
      <amountOfSecuritiesSold>4000</amountOfSecuritiesSold>
      <grossProceeds>233397.66</grossProceeds>
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    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>RICHARD T DU MOULIN</name>
        <address>
          <com:street1>4TH FLOOR, BELVEDERE BUILDING</com:street1>
          <com:street2>69 PITTS BAY ROAD</com:street2>
          <com:city>HAMILTON</com:city>
          <com:stateOrCountry>D0</com:stateOrCountry>
          <com:zipCode>HM08</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>11/05/2024</saleDate>
      <amountOfSecuritiesSold>2000</amountOfSecuritiesSold>
      <grossProceeds>91657.45</grossProceeds>
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    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>RICHARD T DU MOULIN</name>
        <address>
          <com:street1>4TH FLOOR, BELVEDERE BUILDING</com:street1>
          <com:street2>69 PITTS BAY ROAD</com:street2>
          <com:city>HAMILTON</com:city>
          <com:stateOrCountry>D0</com:stateOrCountry>
          <com:zipCode>HM08</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>11/07/2024</saleDate>
      <amountOfSecuritiesSold>4000</amountOfSecuritiesSold>
      <grossProceeds>187267.60</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>RICHARD T DU MOULIN</name>
        <address>
          <com:street1>4TH FLOOR, BELVEDERE BUILDING</com:street1>
          <com:street2>69 PITTS BAY ROAD</com:street2>
          <com:city>HAMILTON</com:city>
          <com:stateOrCountry>D0</com:stateOrCountry>
          <com:zipCode>HM08</com:zipCode>
        </address>
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      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>11/08/2024</saleDate>
      <amountOfSecuritiesSold>4000</amountOfSecuritiesSold>
      <grossProceeds>180595.01</grossProceeds>
    </securitiesSoldInPast3Months>
    <remarks>SHARES WERE SOLD BY THE RICHARD T DU MOULIN REV TRUST; RICHARD DU MOULIN IS A TRUSTEE OF THE RICHARD T DU MOULIN REV TRUST AND IS A DIRECTOR OF TEEKAY TANKERS LTD. SALE OCCURED ON 11/11/2024 DUE TO SEC BEING CLOSED FOR VETERANS DAY THE FORM 144 FILED ON 11/12/2024. </remarks>
    <noticeSignature>
      <noticeDate>11/11/2024</noticeDate>
      <signature>RICHARD T DU MOULIN</signature>
    </noticeSignature>
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144
0001065094
XXXXXXXX
LIVE
0001419945
TEEKAY TANKERS LTD.
001-33867
2ND FLOOR, SWAN BUILDING
26 VICTORIA STREET
HAMILTON
D0
HM12
(441)298-2530
DU MOULIN RICHARD T
Director
Common
Wells Fargo Clearing Services LLC
1 N. Jefferson
St. Louis
MO
63103
2387
107256.14
29730000
11/11/2024
NYSE
Common
08/17/2022
Stock Options
Issuer
N
2387
08/17/2022
cash
N
RICHARD T DU MOULIN
4TH FLOOR, BELVEDERE BUILDING
69 PITTS BAY ROAD
HAMILTON
D0
HM08
Common
09/17/2024
1000
55866.44
RICHARD T DU MOULIN
4TH FLOOR, BELVEDERE BUILDING
69 PITTS BAY ROAD
HAMILTON
D0
HM08
Common
09/18/2024
1047
58477.43
RICHARD T DU MOULIN
4TH FLOOR, BELVEDERE BUILDING
69 PITTS BAY ROAD
HAMILTON
D0
HM08
Common
09/24/2024
1000
56866.42
RICHARD T DU MOULIN
4TH FLOOR, BELVEDERE BUILDING
69 PITTS BAY ROAD
HAMILTON
D0
HM08
Common
09/26/2024
4000
233397.66
RICHARD T DU MOULIN
4TH FLOOR, BELVEDERE BUILDING
69 PITTS BAY ROAD
HAMILTON
D0
HM08
Common
11/05/2024
2000
91657.45
RICHARD T DU MOULIN
4TH FLOOR, BELVEDERE BUILDING
69 PITTS BAY ROAD
HAMILTON
D0
HM08
Common
11/07/2024
4000
187267.60
RICHARD T DU MOULIN
4TH FLOOR, BELVEDERE BUILDING
69 PITTS BAY ROAD
HAMILTON
D0
HM08
Common
11/08/2024
4000
180595.01
SHARES WERE SOLD BY THE RICHARD T DU MOULIN REV TRUST; RICHARD DU MOULIN IS A TRUSTEE OF THE RICHARD T DU MOULIN REV TRUST AND IS A DIRECTOR OF TEEKAY TANKERS LTD. SALE OCCURED ON 11/11/2024 DUE TO SEC BEING CLOSED FOR VETERANS DAY THE FORM 144 FILED ON 11/12/2024.
11/11/2024
RICHARD T DU MOULIN