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ImmunoGen, Inc. (IMGN) Create: Alert

All | News | Filings
Date FiledTypeDescription
05/05/2023 424B5 Form 424B5 - Prospectus [Rule 424(b)(5)]:
12/03/2021 424B5 Form 424B5 - Prospectus [Rule 424(b)(5)]:
11/30/2021 424B5 Form 424B5 - Prospectus [Rule 424(b)(5)]:
08/12/2021 424B5 Form 424B5 - Prospectus [Rule 424(b)(5)]:
12/18/2020 424B5 Form 424B5 - Prospectus [Rule 424(b)(5)]:
09/25/2020 424B5 Form 424B5 - Prospectus [Rule 424(b)(5)]:
01/23/2020 424B5 Form 424B5 - Prospectus [Rule 424(b)(5)]:
01/22/2020 424B5 Form 424B5 - Prospectus [Rule 424(b)(5)]:
06/07/2018 424B5 Form 424B5 - Prospectus [Rule 424(b)(5)]:
06/05/2018 424B5 Form 424B5 - Prospectus [Rule 424(b)(5)]:
10/06/2017 424B5 Form 424B5 - Prospectus [Rule 424(b)(5)]:
10/04/2017 424B5 Form 424B5 - Prospectus [Rule 424(b)(5)]:
05/11/2017 424B5 Form 424B5 - Prospectus [Rule 424(b)(5)]
07/12/2012 424B5 Form 424B5 - Prospectus [Rule 424(b)(5)]
05/20/2011 424B5 Form 424B5 - Prospectus [Rule 424(b)(5)]
05/07/2010 424B5 Form 424B5 - Prospectus [Rule 424(b)(5)]
06/18/2009 424B5 Form 424B5 -- Prospectus [Rule 424(b)(5)]
06/17/2009 424B5 Form 424B5 -- Prospectus [Rule 424(b)(5)]
06/24/2008 424B5 Form 424B5 -- Prospectus [Rule 424(b)(5)]

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