Shares of OptiNose OPTN soared 52.5% on Thursday after the company announced that it is set to be acquired by Paratek Pharmaceuticals, a private biotech. This deal will add OPTN’s approved ...

Halper Sadeh LLC, an investor rights law firm, is investigating whether the sale of Optinose, Inc. (NASDAQ: OPTN) to Paratek Pharmaceuticals is fair to Optinose shareholders. Under the terms of ...