Rib-X raises $18.7 million

Rib-X Pharmaceuticals Inc. (New Haven, Conn.) raised $18.7 million in the first tranche of a planned $67.5 million venture round led by new investor Vatera Healthcare Partners. Existing investors Warburg Pincus; ABS Ventures; and Vox Equity Partners also participated. The financing comes nearly seven months after Rib-X postponed a planned IPO, citing market conditions (see BioCentury Extra, May 9). ...