Korro Bio is trading 5.18% down now at $11.35, extending a seven-session decline from $13.73 on August 25, 2026.

  • No major company-specific announcement, filing, earnings update, or analyst action dated September 3, 2026, was identified.
  • The latest investor-relations item announces upcoming September 9–10 conferences.
  • Broader biotech and major U.S. indexes are rising, so neither sector nor market direction clearly explains the drop.