Proteostasis Therapeutics, Inc. announced earnings results for the second quarter ended June 30, 2019. For the second quarter, the company announced operating loss was USD 20.607 million compared to USD 15.718 million a year ago. Net loss was USD 20.018 million compared to USD 15.478 million a year ago. Basic loss per share was USD 0.39 compared to USD 0.43 a year ago. For the half year, sales was USD 5.000 million compared to USD 1.785 million a year ago. Operating loss was USD 35.698 million compared to USD 26.999 million a year ago. Net loss was USD 34.436 million compared to USD 26.504 million a year ago. Basic loss per share was USD 0.67 compared to USD 0.75 a year ago.