lyra therapeutics inc shares rose 33 to 573 after the company said it agreed to sell securities in a private placement the company said the deal is expected to result in 1005 million in proceeds before costs in the private placement investors had the option to purchase either shares of common stock at 422 a share or prefunded warrants to buy shares at 422 a share certain investors agreed to buy 188 million shares and certain investors agreed to buy prefunded warrants to buy 5 million shares each prefunded warrant will be exercisable immediately the closing of the offering is subject to certain conditions and is expected tuesday