L Karin Walker

Insider Trading: Sales
Symbol Price Amount Total Value Remaining Holdings Date Form 4
PRTA $20.09 2,500 $50,218.25 0 2014-10-16 Filing
PRTA $20.74 2,500 $51,842.00 0 2014-08-12 Filing
PRTA $21.58 8,000 $172,628.00 0 2014-06-06 Filing