Onassis Holding Corp (OTC: ONSS), a biotech-focused holding company, is preparing to initiate a Reg D 506c offering to secure funds from accredited investors in the U.S. The Dalmore Group, a firm involved in fundraising activities, has successfully raised over $2 billion for issuers and processed more than 1,000,000 transactions. This announcement was made on September 15, 2025, in New York.