Historic Stock Lookup

Proofpoint protects people, data, and brands across email, social media, and mobile devices. We help customers manage critical data—and respond quickly when things go wrong.

Adjusted historic prices for the week of September 18, 2017
Date Open High Low Close Volume
Sep 18, 2017 89.59 91.18 89.59 90.42 263,338
Sep 19, 2017 90.42 91.96 90.22 91.87 379,290
Sep 20, 2017 91.47 92.74 91.35 92.19 790,964
Sep 21, 2017 92.54 92.54 89.60 90.44 291,774
Sep 22, 2017 90.00 91.03 89.84 90.50 228,970

Year End Stock Prices

Year end PFPT 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 Proofpoint, Inc. does not maintain or provide information directly to this service. Prices display split-adjusted cost basis per share on that date.