- Initial Statement of Beneficial Ownership (3)
November 18 2010 - 8:03AM
Edgar (US Regulatory)
FORM 3
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UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES
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OMB APPROVAL
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3235-0104
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February 28, 2011
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person
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BARROWS CRAIG
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2. Date of Event Requiring Statement (MM/DD/YYYY)
11/16/2010
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3. Issuer Name
and
Ticker or Trading Symbol
IMMUNOGEN INC [IMGN]
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(Last)
(First)
(Middle)
22 CHESNUT STREET
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4. Relationship of Reporting Person(s) to Issuer (Check all applicable)
_____ Director
_____ 10% Owner
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X
___ Officer (give title below)
_____ Other (specify below)
Vice-President,General Counsel /
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(Street)
SALEM, MA 01970
(City)
(State)
(Zip)
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5. If Amendment, Date Original Filed
(MM/DD/YYYY)
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6. Individual or Joint/Group Filing
(Check Applicable Line)
_
X
_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
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Table I - Non-Derivative Securities Beneficially Owned
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1.Title of Security
(Instr. 4)
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2. Amount of Securities Beneficially Owned
(Instr. 4)
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3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
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4. Nature of Indirect Beneficial Ownership
(Instr. 5)
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Common stock, $.01 par value
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6100
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D
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Table II - Derivative Securities Beneficially Owned (
e.g.
, puts, calls, warrants, options, convertible securities)
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1. Title of Derivate Security
(Instr. 4)
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2. Date Exercisable and Expiration Date
(MM/DD/YYYY)
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3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
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4. Conversion or Exercise Price of Derivative Security
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5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
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6. Nature of Indirect Beneficial Ownership
(Instr. 5)
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Date Exercisable
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Expiration Date
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Title
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Amount or Number of Shares
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Stock option (right to buy)
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10/3/2008
(1)
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10/3/2017
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Common stock
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50000
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$4.50
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D
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Stock option (right to buy)
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6/11/2009
(2)
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6/11/2018
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Common stock
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15000
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$3.30
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D
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Stock option (right to buy)
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7/24/2010
(3)
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7/24/2019
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Common stock
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55000
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$9.88
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D
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Stock option (right to buy)
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7/23/2011
(4)
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7/23/2020
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Common stock
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40000
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$9.14
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D
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Explanation of Responses:
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(
1)
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Exercisable as to 12500 shares commencing on 10/3/2008, 12500 shares commencing on 10/3/2009, 12500 shares commencing on 10/3/2010 and 12500 shares commencing on 10/3/2011
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(
2)
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Exercisable as to 5000 shares commencing on 6/11/2009, 5000 shares commencing on 6/11/2010 and 5000 shares commencing on 6/11/2011
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(
3)
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Exercisable as to 18333 shares commencing on 7/24/2010, 18334 shares commencing on 7/24/2011 and 18333 shares commencing on 7/24/2012
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(
4)
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Exercisable as to 13333 shares commencing on 7/23/2011, 13334 shares commencing on 7/23/2012 and 13333 shares commencing on 7/23/2013
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Reporting Owners
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Reporting Owner Name / Address
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Relationships
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Director
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10% Owner
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Officer
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Other
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BARROWS CRAIG
22 CHESNUT STREET
SALEM, MA 01970
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Vice-President,General Counsel
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Signatures
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Craig Barrows
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11/17/2010
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**
Signature of Reporting Person
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Date
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Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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*
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If the form is filed by more than one reporting person,
see
Instruction 5(b)(v).
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**
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Intentional misstatements or omissions of facts constitute Federal Criminal Violations.
See
18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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Note:
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File three copies of this Form, one of which must be manually signed. If space is insufficient,
see
Instruction 6 for procedure.
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Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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