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      <noticeSignature>
        <noticeDate>11/13/2023</noticeDate>
        <signature>/s/ Courtney Broxterman, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Richard J. Mitrano</signature>
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text: 144
  0001785287
  XXXXXXXX
  LIVE
  0001703647
  Korro Bio, Inc.
  001-39062
  ONE KENDALL SQUARE. BUILDING 600-700
  SUITE 6-401
  CAMBRIDGE
  MA
  02139
  617-468-1900
  Mitrano Richard J.
  Former Officer
  Common
  Fidelity Brokerage Services LLC
  900 Salem Street
  Smithfield
  RI
  02917
  192
  8059.95
  36926285
  11/10/2023
  NASDAQ
  Common
  11/06/2023
  Restricted Stock Vesting
  Issuer
  N
  192
  11/06/2023
  Compensation
  N
  Richard Mitrano
  One Kendall Square Building 600-700
  Suite 6-401
  Cambridge
  MA
  02139
  Common
  08/10/2023
  247
  159.14
  Richard Mitrano
  One Kendall Square Building 600-700
  Suite 6-401
  Cambridge
  MA
  02139
  Common
  08/11/2023
  240
  153.48
  Richard Mitrano
  One Kendall Square Building 600-700
  Suite 6-401
  Cambridge
  MA
  02139
  Common
  08/14/2023
  238
  152.58
  Richard Mitrano
  One Kendall Square Building 600-700
  Suite 6-401
  Cambridge
  MA
  02139
  Common
  08/15/2023
  228
  148.47
  Richard Mitrano
  One Kendall Square Building 600-700
  Suite 6-401
  Cambridge
  MA
  02139
  Common
  08/16/2023
  234
  156.90
  Richard Mitrano
  One Kendall Square Building 600-700
  Suite 6-401
  Cambridge
  MA
  02139
  Common
  08/17/2023
  230
  142.88
  Richard Mitrano
  One Kendall Square Building 600-700
  Suite 6-401
  Cambridge
  MA
  02139
  Common
  08/18/2023
  227
  143.21
  Richard Mitrano
  One Kendall Square Building 600-700
  Suite 6-401
  Cambridge
  MA
  02139
  Common
  08/21/2023
  237
  125.66
  11/13/2023
  /s/ Courtney Broxterman, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Richard J. Mitrano