Pasithea Therapeutics Corp. Common Stock. Replay the stock market charts of KTTA day by day, back to 2003. Open long and short positions without spending any money. Pasithea Therapeutics Corp., a biotechnology company, engages in research and discovery of treatments for psychiatric and neurological disorders. It also intends to operate anti-depression clinics and provide business support services using trained pharmacists to administer intravenous infusions of ketamine. The company was incorporated in 2020 and is headquartered in Miami Beach, Florida.