Marker Therapeutics is trading 5.26% up now at $1.60, aligned with stronger biotechnology sentiment after XBI gained 2.06% and broader risk appetite improved.

  • Shares rose 1.33% during the August 25, 2026 regular session.
  • No new company-specific announcement was identified for August 25.
  • Recent gains also followed positive sector momentum from major oncology-trial developments, though no direct Marker Therapeutics catalyst was confirmed.