Prothena Corp (NASDAQ:PRTA) reported quarterly losses of $(0.68) per share which beat the analyst consensus estimate of $(0.69) by 1.02 percent. This is a 38.18 percent increase over losses of $(1.10) per share from the same period last year. The company reported quarterly sales of $2.415 million which missed the analyst consensus estimate of $6.639 million by 63.62 percent. This is a 148.97 percent increase over sales of $970.000 thousand the same period last year.