United Therapeutics (NASDAQ:UTHR) reported quarterly earnings of $6.19 per share which missed the analyst consensus estimate of $6.27 by 1.28 percent. This is a 41.97 percent increase over earnings of $4.36 per share from the same period last year. The company reported quarterly sales of $735.90 million which beat the analyst consensus estimate of $734.74 million by 0.16 percent. This is a 19.72 percent increase over sales of $614.70 million the same period last year.