Notice of Effectiveness (effect)
May 12 2017 - 6:01AM
Edgar (US Regulatory)
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UNITED STATES
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SECURITIES AND EXCHANGE COMMISSION
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Washington, D.C. 20549
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NOTICE OF EFFECTIVENESS
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Effective Date:
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May 11,
2017
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Form:
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S-3
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CIK:
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0000855654
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Company Name:
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IMMUNOGEN INC
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File Number:
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333-216438
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