|Mar 12, 2018||119.36||119.50||117.50||119.02||627,176|
|Mar 13, 2018||120.57||123.87||117.83||118.58||557,058|
|Mar 14, 2018||118.90||121.70||118.34||120.51||806,355|
|Mar 15, 2018||120.59||121.85||119.18||120.01||709,296|
|Mar 16, 2018||119.84||121.37||118.66||118.69||847,425|
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 Proofpoint, Inc. does not maintain or provide information directly to this service. Prices display split-adjusted cost basis per share on that date.