Spok Holdings (NASDAQ:SPOK) reported quarterly earnings of $0.25 per share which beat the analyst consensus estimate of $0.18 by 38.89 percent. This is a 19.05 percent increase over earnings of $0.21 per share from the same period last year. The company reported quarterly sales of $36.29 million which beat the analyst consensus estimate of $34.00 million by 6.75 percent. This is a 3.97 percent increase over sales of $34.91 million the same period last year.