Repligen (NASDAQ:RGEN) reported quarterly earnings of $0.43 per share which beat the analyst consensus estimate of $0.33 by 30.3 percent. This is a 86.96 percent increase over earnings of $0.23 per share from the same period last year. The company reported quarterly sales of $154.870 million which beat the analyst consensus estimate of $153.230 million by 1.07 percent. This is a 9.69 percent increase over sales of $141.192 million the same period last year.