|Nov 13, 2017||115.02||115.35||113.22||113.45||1,620,088|
|Nov 14, 2017||113.08||113.50||109.63||109.98||2,533,122|
|Nov 15, 2017||110.10||111.25||108.64||110.34||3,092,043|
|Nov 16, 2017||111.18||111.61||108.22||110.33||2,885,300|
|Nov 17, 2017||110.15||111.27||109.61||110.87||2,182,826|
Year End Stock Prices
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 Alexion Pharmaceuticals, Inc. does not maintain or provide information directly to this service. Prices display split-adjusted cost basis per share on that date.