Generation Bio (NASDAQ:GBIO) reported quarterly losses of $(0.23) per share which beat the analyst consensus estimate of $(0.28) by 17.86 percent. This is a 46.51 percent increase over losses of $(0.43) per share from the same period last year. The company reported quarterly sales of $7.55 million which beat the analyst consensus estimate of $1.88 million by 301.38 percent. This is a 252.00 percent increase over sales of $2.15 million the same period last year.