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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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UNITED STATES
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 1)*
Check the appropriate box to designate the rule pursuant to which this Schedule is filed: o x o *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would
alter the disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that
section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). Page 1 of 9
Page 2 of 9
Page 3 of 9
Item 1(a). Name of Issuer:
ImmunoGen, Inc.
Item 1(b). Address of Issuer's Principal Executive Offices:
128 Sidney Street, Cambridge, MA 02139
Item 2(a). Name of Person Filing:
This statement is filed on behalf of each of the following persons (collectively, the "Reporting Persons") Item 2(b). Address of Principal Business Office Item 2(c). Citizenship:
Item 2(d). Title of Class of Securities:
Common Stock, $.01 par value (the "Shares")
Item 2(e). CUSIP Number:
45253H101
o o o
This item is not applicable.
Item 4. Ownership.
Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.
Shire BioChem Inc.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
ImmunoGen, Inc.
(Name of Issuer)
Common Stock, $.01 Par Value
(Title of Class of Securities)
45253H101
(CUSIP Number)
June 2, 2004
(Date of Event which Requires Filing of this Statement)
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
CUSIP
No. 45253H101
1
NAME
OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Shire BioChem Inc.
2
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(b) o
3
SEC
USE ONLY
4
CITIZENSHIP
OR PLACE OF ORGANIZATION
Canada
NUMBER
OF SHARES
BENEFICIALLY OWNED BY
EACH REPORTING PERSON
WITH 5
SOLE
VOTING POWER
0
6
SHARED
VOTING POWER
66,098
7
SOLE
DISPOSITIVE POWER
0
8
SHARED
DISPOSITIVE POWER
66,098
9
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
66,098
10
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
11
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW 9
0.2%
12
TYPE
OF REPORTING PERSON*
CO
CUSIP
No. 45253H101
1
NAME
OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Shire Pharmaceuticals Group Plc
2
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(b) o
3
SEC
USE ONLY
4
CITIZENSHIP
OR PLACE OF ORGANIZATION
England and Wales
NUMBER
OF SHARES
BENEFICIALLY OWNED BY
EACH REPORTING PERSON
WITH 5
SOLE
VOTING POWER
0
6
SHARED
VOTING POWER
66,098
7
SOLE
DISPOSITIVE POWER
0
8
SHARED
DISPOSITIVE POWER
66,098
9
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
66,098
10
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
11
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW 9
0.2%
12
TYPE
OF REPORTING PERSON*
CO
(i)
Shire BioChem Inc.
(ii)
Shire Pharmaceuticals Group Plc
(i)
Shire BioChem Inc.
275 Armand-Frappier Blvd.
Laval, Quebec
Canada H7V4A7
(ii)
Shire Pharmaceuticals Group Plc
Hampshire International Business Park
Chineham, Basingstoke
RG24 8EP
United Kingdom
(i)
Shire BioChem Inc. is a Canadian corporation.
(ii)
Shire Pharmaceuticals Group Plc is a public limited company organized under the laws of England and Wales.
Item 3.
If this Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b) or (c), Check Whether the Person Filing is a:
(a)
Broker or dealer registered under Section 15 of the Exchange Act;
(b)
Bank as defined in Section 3(a)(6) of the Exchange Act;
(c)
Insurance company as defined in Section 3(a)(19) of the Exchange Act;
(d)
o
Investment company registered under Section 8 of the Investment Company Act;
(e)
o
An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);
(f)
o
An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F);
(g)
o
A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G);
(h)
o
A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act;
Page 4 of 9
(i)
o
A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act;
(j)
o
Group, in accordance with Rule 13d-1(b)(1)(ii)(J).
(a)
Amount beneficially owned: 66,098
(b)
Percent of class: 0.2%
(c)
Number of shares as to which such person has:
(i)
Sole power to vote or to direct the vote: 0
(ii)
Shared power to vote or to direct the vote: 66,098
(iii)
Sole power to dispose or to direct the disposition of: 0
(iv)
Shared power to dispose or to direct the disposition of: 66,098
Shire Pharmaceuticals Group Plc
(a)
Amount beneficially owned: 66,098(1)
(b)
Percent of class: 0.2%
(c)
Number of shares as to which such person has:
(i)
Sole power to vote or to direct the vote: 0
(ii)
Shared power to vote or to direct the vote: 66,098
(iii)
Sole power to dispose or to direct the disposition of: 0
(iv)
Shared power to dispose or to direct the disposition of: 66,098
(1) All of the Shares are held by Shire BioChem Inc., a wholly-owned subsidiary of Shire Pharmaceuticals Group Plc.
Item 5. Ownership of Five Percent or Less of a Class.
If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following. x
Item 6. Ownership of More than Five Percent on Behalf of Another Person.
Not Applicable.
Page 5 of 9
Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company.
Not Applicable.
Item 8. Identification and Classification of Members of the Group.
Not Applicable.
Item 9. Notice of Dissolution of Group.
Not Applicable.
Item 10. Certifications.
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.
Page 6 of 9
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
SHIRE BIOCHEM INC. | ||||
Date: | June 3, 2004 | By: | /s/ Angus Russell |
|
Name: | Angus Russell | |||
Title: | Director | |||
SHIRE PHARMACEUTICALS GROUP PLC | ||||
Date: | June 3, 2004 | By: | /s/ Angus Russell |
|
Name: | Angus Russell | |||
Title: | Director | |||
EXHIBIT INDEX | ||||
Page No. | ||||
A. | Joint Filing Agreement dated June 3, 2004 by and among Shire BioChem Inc. and Shire Pharmaceuticals Group Plc | 9 |
Page 8 of 9
EXHIBIT A
JOINT FILING AGREEMENT
The undersigned hereby agree that the statement on Schedule 13G with respect to the Common Stock of ImmunoGen, Inc. dated as of June 3, 2004 is, and any amendments thereto signed by each of the undersigned shall be, filed on behalf of each of us pursuant to and in accordance with the provisions of Rule 13d-1(k)(1) under the Securities Exchange Act of 1934.
SHIRE BIOCHEM INC. | ||||
Date: | June 3, 2004 | By: | /s/ Angus Russell |
|
Name: | Angus Russell | |||
Title: | Director | |||
SHIRE PHARMACEUTICALS GROUP PLC | ||||
Date: | June 3, 2004 | By: | /s/ Angus Russell |
|
Name: | Angus Russell | |||
Title: | Director | |||
Page 9 of 9 |