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          <com:zipCode>98102</com:zipCode>
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          <address>
            <com:street1>390 Madison Avenue</com:street1>
            <com:street2>6th Floor</com:street2>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10017</com:zipCode>
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        <aggregateMarketValue>1981986</aggregateMarketValue>
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        <approxSaleDate>06/07/2023</approxSaleDate>
        <securitiesExchangeName>Nasdaq</securitiesExchangeName>
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            <com:city>Seattle</com:city>
            <com:stateOrCountry>WA</com:stateOrCountry>
            <com:zipCode>98102</com:zipCode>
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        <grossProceeds>2008792</grossProceeds>
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          <name>FLAGSHIP VENTURES FUND V, L.P.</name>
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            <com:stateOrCountry>WA</com:stateOrCountry>
            <com:zipCode>98102</com:zipCode>
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        <grossProceeds>644368</grossProceeds>
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            <com:zipCode>98102</com:zipCode>
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        <securitiesClassTitle>Common</securitiesClassTitle>
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        <amountOfSecuritiesSold>181461</amountOfSecuritiesSold>
        <grossProceeds>1144311</grossProceeds>
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      <noticeSignature>
        <noticeDate>06/07/2023</noticeDate>
        <signature>/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for FLAGSHIP VENTURES FUND V, L.P.</signature>
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text: 144
  0001627639
  XXXXXXXX
  LIVE
  0001770121
  Sana Biotechnology, Inc
  001-39941
  188 East Blaine St, Ste 400
  Seattle
  WA
  98102
  2067017914
  FLAGSHIP VENTURES FUND V, L.P.
  Affiliate
  Common
  J.P. Morgan Securities LLC
  390 Madison Avenue
  6th Floor
  New York
  NY
  10017
  310170
  1981986
  191500944
  06/07/2023
  Nasdaq
  Common
  05/12/2017
  Venture Capital Investment
  Issuer
  N
  310170
  05/12/2017
  Cash
  N
  FLAGSHIP VENTURES FUND V, L.P.
  188 East Blaine St, Ste 400
  Seattle
  WA
  98102
  Common
  05/24/2023
  308290
  2008792
  FLAGSHIP VENTURES FUND V, L.P.
  188 East Blaine St, Ste 400
  Seattle
  WA
  98102
  Common
  05/25/2023
  102245
  644368
  FLAGSHIP VENTURES FUND V, L.P.
  188 East Blaine St, Ste 400
  Seattle
  WA
  98102
  Common
  05/26/2023
  72670
  488837
  FLAGSHIP VENTURES FUND V, L.P.
  188 East Blaine St, Ste 400
  Seattle
  WA
  98102
  Common
  06/06/2023
  181461
  1144311
  06/07/2023
  /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for FLAGSHIP VENTURES FUND V, L.P.