AIM ImmunoTech is trading at $0.27, up 17.52% in pre-market trading on September 1, 2026, after announcing a broad U.S. patent for Ampligen combined with pembrolizumab in cancer treatment.

  • The patent covers multiple cancer indications and expires December 20, 2039.
  • Shares closed at $0.23 on August 31, when patent-driven buying reversed intraday.
  • Broader markets are slightly weaker, making the company-specific patent catalyst the clearest explanation.