|Feb 21, 2017||129.71||132.78||129.42||129.89||2,715,782|
|Feb 22, 2017||129.38||131.99||129.36||130.83||1,243,107|
|Feb 23, 2017||130.51||131.56||128.93||130.44||1,827,077|
|Feb 24, 2017||131.37||132.46||130.00||131.54||1,657,255|
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.