Prothena Corp (NASDAQ:PRTA) reported quarterly losses of $(1.10) per share which beat the analyst consensus estimate of $(1.18) by 6.78 percent. This is a 389.47 percent decrease over earnings of $0.38 per share from the same period last year. The company reported quarterly sales of $970.00 thousand which missed the analyst consensus estimate of $1.23 million by 20.85 percent. This is a 98.86 percent decrease over sales of $84.87 million the same period last year.