|Oct 9, 2017||6.80||6.95||6.66||6.69||2,638,761|
|Oct 10, 2017||6.83||7.00||6.70||6.99||4,299,630|
|Oct 11, 2017||7.13||7.19||6.60||6.62||3,814,975|
|Oct 12, 2017||6.68||6.72||6.13||6.15||5,240,799|
|Oct 13, 2017||6.08||6.20||5.81||5.97||3,464,465|
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 ImmunoGen, Inc. does not maintain or provide information directly to this service. Prices display split-adjusted cost basis per share on that date.