Biomea Fusion is trading 12.23% up in after-hours trading at $0.83, with no confirmed catalyst identified.

  • The stock closed the regular session at $0.74 on October 20, 2026, after falling 11.96%.
  • The latest company release located was October 13’s Phase 1 BMF-650 results, which predate this move.
  • Broader market gains do not clearly explain the stock-specific after-hours rise.