May 10, 2017
A Massachusetts federal judge has granted a bid by Tetraphase Pharmaceuticals to toss a proposed investor class action against the startup pharmaceutical company over a botched drug approval, saying Tuesday shareholders hadn't shown the company was hiding the results.
May 05, 2017
A Massachusetts startup pharmaceutical company on Friday asked a federal judge in Boston to dismiss a class securities suit it's facing over a botched drug approval, calling the claims speculative attempts at Monday morning quarterbacking.
January 28, 2016
Startup drugmaker Tetraphase Pharmaceuticals misled investors with rosy statements about an experimental antibiotic, causing them huge losses when a clinical trial failed and sent shares into a tailspin, according to a proposed class action filed Thursday in Massachusetts federal court.