Lixte Biotechnology Holdings, Inc is publicly traded on the Over the Counter Bulletin Board: as "LIXT.ob". Lixte Biotechnology Holdings Inc. SEC Filings Investor Contact: Lixte Biotechnology Holdings, Inc. 248 Route 25A No. 2 East Setauket, NY 11733 (631) 830 7092 (T) (928) 982 5050 (F) Equity Groups Contact: Jeff Ramson Pro-Active Capital Resources Group jramson@proactiveny.com 212-297-6103