definiens: means ( a ) the closing of the sale, transfer, exclusive license or other disposition of all or substantially all of EnteraBio ’s assets or intellectual property, ( b ) the consummation of the merger or consolidation of EnteraBio with or into another entity ( except a merger or consolidation in which the holders of capital stock of EnteraBio immediately prior to such mer ger or consolidation continue to hold more than 50 % of the voting power of the capital stock of EnteraBio or the surviving or acquiring entity ), ( c ) the closing of the transfer ( whether by merger, consolidation or otherwise ), in one transaction or a series of related transactions, to a person or group of affiliated persons ( other than an underwriter of EnteraBio ’s securities ), of EnteraBio ’s securities if, after such closing, such person or group of affiliated persons would hold 50 % or more of the outstandi ng voting stock of EnteraBio ( or the surviving or acquiring entity ) or ( d ) a liquidation, dissolution or winding up of EnteraBio