Adjusted historic prices for the week of May 22, 2017
Date Open High Low Close Volume
May 22, 2017 5.31 5.34 5.07 5.16 1,990,832
May 23, 2017 5.15 5.16 4.91 4.98 1,384,890
May 24, 2017 5.19 5.30 5.05 5.09 2,290,450
May 25, 2017 5.11 5.14 4.92 5.07 3,095,254
May 26, 2017 5.05 5.06 4.56 4.72 2,413,289

Year End Stock Prices

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


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