Frequently Asked Questions

  • Diffusion Pharmaceuticals Inc. is incorporated in the State of Delaware.
  • The Company is headquartered in Charlottesville, VA, USA.
  • The Diffusion business was established in 2001.
  • Diffusion Pharmaceuticals became a publicly traded biopharmaceutical company following the close of the merger between Diffusion Pharmaceuticals LLC and a subsidiary of the Company’s predecessor, RestorGenex Corp. (OTC: RESX), on January 8, 2016.
  • Diffusion Pharmaceutical’s CUSIP number is 0001053691.
  • Communication regarding transfer requirements, lost certificates, changes of address, etc., should be directed to: Computershare

    Written Inquiries:

    Computershare PO Box 30170 College Station, TX 77842

    Or by overnight delivery:

    Computershare 211 Quality Circle Suite 210 College Station, TX 77845

    Email Inquiries:

    Telephone Inquiries: Toll-Free: 800-368-5948 (US, Canada, Puerto Rico) 781-575-4223 (non-US)

    Online Inquiries:
  • Diffusion Pharmaceuticals’ fiscal year end is December 31.
  • You may sign up to receive Diffusion Pharmaceuticals’ press releases and SEC filings via the Email Alerts page.
  • Diffusion Pharmaceuticals’ U.S. Securities and Exchange Commission filings can be viewed on the SEC Filings page.