Protagonist Therapeutics (NASDAQ:PTGX) reported quarterly losses of $(0.69) per share which missed the analyst consensus estimate of $(0.24) by 191.14 percent. This is a 134.85 percent decrease over earnings of $1.98 per share from the same period last year. The company reported quarterly sales of $7.437 million which missed the analyst consensus estimate of $8.926 million by 16.68 percent. This is a 95.64 percent decrease over sales of $170.638 million the same period last year.