Historic Stock Lookup

Adjusted historic prices for the week of April 24, 2017
Date Open High Low Close Volume
Apr 24, 2017 53.83 54.58 53.22 54.08 253,006
Apr 25, 2017 54.57 55.31 54.00 54.89 269,428
Apr 26, 2017 54.80 54.87 53.90 53.95 294,042
Apr 27, 2017 53.99 54.67 53.63 54.01 173,569

Year End Stock Prices

Year end PRTA stock price

The historical stock information provided is for informational purposes only and is not intended for trading purposes. The historical stock information is provided by Mergent, a third party service, and Prothena Corporation plc does not maintain or provide information directly to this service. Prices display split-adjusted cost basis per share on that date.