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ImmunoGen, Inc.

Formerly NASDAQ: IMGN
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EX-4.3
from 10-K 3 pages Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934 ​
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EX-4.1
from 8-K 13 pages Immunogen, Inc. Pre-Funded Warrant to Purchase Common Stock
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EX-4.1
from 8-K 12 pages Immunogen, Inc. Pre-Funded Warrant to Purchase Common Stock
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EX-4.3
from 10-K 3 pages Description of Common Stock
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EX-4.8
from S-3ASR 54 pages Immunogen, Inc. Issuer and [ ] Trustee Indenture Dated as of [ ] Subordinated Debt Securities
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EX-4.7
from S-3ASR 53 pages Immunogen, Inc. Issuer and [ ] Trustee Indenture Dated as of [ ] Senior Debt Securities
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EX-4.3
from 10-K 3 pages Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934
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EX-4.8
from S-3ASR 49 pages Immunogen, Inc. Issuer and [ ] Trustee Indenture Dated as of [ ] Subordinated Debt Securities
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EX-4.7
from S-3ASR 48 pages Immunogen, Inc. Issuer and [ ] Trustee Indenture Dated as of [ ] Senior Debt Securities
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EX-4.8
from S-3 49 pages Immunogen, Inc. Issuer and [ ] Trustee Indenture Dated as of [ ] Subordinated Debt Securities
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EX-4.7
from S-3 48 pages Immunogen, Inc. Issuer and [ ] Trustee Indenture Dated as of [ ] Senior Debt Securities
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EX-4.1
from 8-K 109 pages Immunogen, Inc. (Company) Wilmington Trust, National Association (Trustee) 4.50% Convertible Senior Notes Due 2021 Indenture Dated as of June 20, 2016
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EX-4.8
from S-3ASR 49 pages Immunogen, Inc. Issuer and [ ] Trustee Indenture Dated as of [ ] Subordinated Debt Securities
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EX-4.7
from S-3ASR 48 pages Immunogen, Inc. Issuer and [ ] Trustee Indenture Dated as of [ ] Senior Debt Securities
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EX-4.8
from S-3ASR 49 pages Immunogen, Inc. Issuer and [ ] Trustee Indenture Dated as of [ ] Subordinated Debt Securities
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EX-4.7
from S-3ASR 48 pages Immunogen, Inc. Issuer and [ ] Trustee Indenture Dated as of [ ] Senior Debt Securities
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EX-4.10
from S-3 49 pages Immunogen, Inc. Issuer and [ ] Trustee Indenture Dated as of [ ] Subordinated Debt Securities
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EX-4.9
from S-3 48 pages Immunogen, Inc. Issuer and [ ] Trustee Indenture Dated as of [ ] Senior Debt Securities
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EX-4.3
from S-3 4 pages (Specify the Number(s) of Article(s) Being Amended (I-VI))
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EX-4.3
from S-8 ~5 pages Indenture or similar
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