PRTA earnings per share for the last quarter are -1.08 USD whereas the estimation was -1.02 USD which accounts for -5.54% surprise. Company revenue for the same period amounts to 2.12 M USD despite the estimated figure of 7.53 M USD. Estimated earnings per share for the next quarter are -0.97 USD, and revenue is expected to reach 9.54 M USD. Also watch annual changes over time to get a bigger picture of PRTA earnings per share and revenue dynamics.