Purchasing shares of Tonix Pharmaceuticals Holding Corp. requires opening a brokerage account with a regulated online stock trading platform or financial advisory firm that offers direct access to the Nasdaq Global Market. Once the brokerage account is funded, investors can search for the company using its official ticker symbol, TNXP, review prevailing market ask prices, and execute buy orders during standard U.S. market trading hours. Investors should carefully evaluate the high volatility and clinical-stage risks associated with biotechnology equities before allocating capital.