1
|
NAME
OF REPORTING PERSON
ACCIPITER LIFE SCIENCES FUND,
LP
|
||
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC
USE ONLY
|
||
4
|
SOURCE
OF FUNDS
WC
|
||
5
|
CHECK
BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d)
OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
DELAWARE
|
||
NUMBER
OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE
VOTING POWER
338,141
|
|
8
|
SHARED
VOTING POWER
- 0 -
|
||
9
|
SOLE
DISPOSITIVE POWER
338,141
|
||
10
|
SHARED
DISPOSITIVE POWER
- 0 -
|
||
11
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
338,141
|
||
12
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
SHARES
|
¨
|
|
13
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
2.0%
|
||
14
|
TYPE
OF REPORTING PERSON
PN
|
1
|
NAME
OF REPORTING PERSON
ACCIPITER LIFE SCIENCES FUND
(OFFSHORE), LTD.
|
||
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC
USE ONLY
|
||
4
|
SOURCE
OF FUNDS
WC
|
||
5
|
CHECK
BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d)
OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
DELAWARE
|
||
NUMBER
OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE
VOTING POWER
338,780
|
|
8
|
SHARED
VOTING POWER
- 0 -
|
||
9
|
SOLE
DISPOSITIVE POWER
338,780
|
||
10
|
SHARED
DISPOSITIVE POWER
- 0 -
|
||
11
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
338,780
|
||
12
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
SHARES
|
¨
|
|
13
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
2.0%
|
||
14
|
TYPE
OF REPORTING PERSON
CO
|
1
|
NAME
OF REPORTING PERSON
ACCIPITER LIFE SCIENCES FUND II,
LP
|
||
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC
USE ONLY
|
||
4
|
SOURCE
OF FUNDS
WC
|
||
5
|
CHECK
BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d)
OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
DELAWARE
|
||
NUMBER
OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE
VOTING POWER
234,661
|
|
8
|
SHARED
VOTING POWER
- 0 -
|
||
9
|
SOLE
DISPOSITIVE POWER
234,661
|
||
10
|
SHARED
DISPOSITIVE POWER
- 0 -
|
||
11
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
234,661
|
||
12
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
SHARES
|
¨
|
|
13
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
1.4%
|
||
14
|
TYPE
OF REPORTING PERSON
PN
|
1
|
NAME
OF REPORTING PERSON
ACCIPITER LIFE SCIENCES FUND II
(OFFSHORE), LTD.
|
||
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC
USE ONLY
|
||
4
|
SOURCE
OF FUNDS
WC
|
||
5
|
CHECK
BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d)
OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
CAYMAN
ISLANDS
|
||
NUMBER
OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE
VOTING POWER
481,915
|
|
8
|
SHARED
VOTING POWER
- 0 -
|
||
9
|
SOLE
DISPOSITIVE POWER
481,915
|
||
10
|
SHARED
DISPOSITIVE POWER
- 0 -
|
||
11
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
481,915
|
||
12
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
SHARES
|
¨
|
|
13
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
2.9%
|
||
14
|
TYPE
OF REPORTING PERSON
CO
|
1
|
NAME
OF REPORTING PERSON
ACCIPITER LIFE SCIENCES FUND II
(QP), LP
|
||
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC
USE ONLY
|
||
4
|
SOURCE
OF FUNDS
WC
|
||
5
|
CHECK
BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d)
OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
DELAWARE
|
||
NUMBER
OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE
VOTING POWER
279,853
|
|
8
|
SHARED
VOTING POWER
- 0 -
|
||
9
|
SOLE
DISPOSITIVE POWER
279,853
|
||
10
|
SHARED
DISPOSITIVE POWER
- 0 -
|
||
11
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
279,853
|
||
12
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
SHARES
|
¨
|
|
13
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
1.7%
|
||
14
|
TYPE
OF REPORTING PERSON
PN
|
1
|
NAME
OF REPORTING PERSON
CANDENS CAPITAL,
LLC
|
||
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC
USE ONLY
|
||
4
|
SOURCE
OF FUNDS
AF
|
||
5
|
CHECK
BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d)
OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
DELAWARE
|
||
NUMBER
OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE
VOTING POWER
852,655
|
|
8
|
SHARED
VOTING POWER
- 0 -
|
||
9
|
SOLE
DISPOSITIVE POWER
852,655
|
||
10
|
SHARED
DISPOSITIVE POWER
- 0 -
|
||
11
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
852,655
|
||
12
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
SHARES
|
¨
|
|
13
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
5.1%
|
||
14
|
TYPE
OF REPORTING PERSON
OO
|
1
|
NAME
OF REPORTING PERSON
ACCIPITER CAPITAL MANAGEMENT,
LLC
|
||
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC
USE ONLY
|
||
4
|
SOURCE
OF FUNDS
AF
|
||
5
|
CHECK
BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d)
OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
DELAWARE
|
||
NUMBER
OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE
VOTING POWER
820,695
|
|
8
|
SHARED
VOTING POWER
- 0 -
|
||
9
|
SOLE
DISPOSITIVE POWER
820,695
|
||
10
|
SHARED
DISPOSITIVE POWER
- 0 -
|
||
11
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
820,695
|
||
12
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
SHARES
|
¨
|
|
13
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
4.9%
|
||
14
|
TYPE
OF REPORTING PERSON
OO
|
1
|
NAME
OF REPORTING PERSON
GABE
HOFFMAN
|
||
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC
USE ONLY
|
||
4
|
SOURCE
OF FUNDS
AF
|
||
5
|
CHECK
BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d)
OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
USA
|
||
NUMBER
OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE
VOTING POWER
1,673,350
|
|
8
|
SHARED
VOTING POWER
- 0 -
|
||
9
|
SOLE
DISPOSITIVE POWER
1,673,350
|
||
10
|
SHARED
DISPOSITIVE POWER
- 0 -
|
||
11
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,673,350
|
||
12
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
SHARES
|
¨
|
|
13
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
9.9%
|
||
14
|
TYPE
OF REPORTING PERSON
IN
|
Item
1.
|
Security and
Issuer.
|
Item
2.
|
Identity and
Background.
|
|
(f)
|
Mr.
Hoffman is a citizen of the United States of
America.
|
Item
3.
|
Source and Amount of Funds or Other
Consideration.
|
Item
4.
|
Purpose of
Transaction.
|
Item
5.
|
Interest in Securities
of the Issuer.
|
Item
6.
|
Contracts,
Arrangements, Understandings or Relationships With Respect to Securities
of the Issuer.
|
Item
7.
|
Material to be Filed
as Exhibits.
|
|
99.1 | Joint Filing Agreement by and among Accipiter Life Sciences Fund, LP, Accipiter Life Sciences Fund (Offshore), Ltd., Accipiter Life Sciences Fund II, LP, Accipiter Life Sciences Fund II (Offshore), Ltd., Accipiter Life Sciences Fund II (QP), LP, Accipiter Capital Management, LLC, Candens Capital, LLC and Gabe Hoffman, dated February 7, 2007. | |
99.2 | Press release dated February 7, 2008. |
Dated: February
7, 2008
|
ACCIPITER
LIFE SCIENCES FUND, LP
|
|
By:
|
Candens
Capital, LLC
its
general partner
|
|
By:
|
/s/
Gabe Hoffman
|
|
Gabe
Hoffman, Managing Member
|
ACCIPITER
LIFE SCIENCES FUND II, LP
|
||
By:
|
Candens
Capital, LLC
its
general partner
|
|
By:
|
/s/
Gabe Hoffman
|
|
Gabe
Hoffman, Managing Member
|
ACCIPITER
LIFE SCIENCES FUND (OFFSHORE), LTD.
|
||
By:
|
Accipiter
Capital Management, LLC
its
investment manager
|
|
By:
|
/s/
Gabe Hoffman
|
|
Gabe
Hoffman, Managing Member
|
ACCIPITER
LIFE SCIENCES FUND II (OFFSHORE), LTD.
|
||
By:
|
Accipiter
Capital Management, LLC
its
investment manager
|
|
By:
|
/s/
Gabe Hoffman
|
|
Gabe
Hoffman, Managing Member
|
ACCIPITER
LIFE SCIENCES FUND II (QP), LP
|
||
By:
|
Candens
Capital, LLC
its
general partner
|
|
By:
|
/s/
Gabe Hoffman
|
|
Gabe
Hoffman, Managing Member
|
ACCIPITER
CAPITAL MANAGEMENT, LLC
|
||
By:
|
/s/
Gabe Hoffman
|
|
Gabe
Hoffman, Managing Member
|
CANDENS
CAPITAL, LLC
|
||
By:
|
/s/
Gabe Hoffman
|
|
Gabe
Hoffman, Managing Member
|
/s/
Gabe Hoffman
|
|
GABE
HOFFMAN
|
Name and
Position
|
Principal
Occupation
|
Principal Business
Address
|
Gabe
Hoffman, Director
|
Managing
member of Accipiter Capital Management, LLC, and Candens Capital,
LLC
|
399
Park Avenue
38th
Floor
New
York, New York 10022
|
Tom
Davis, Director
|
President
and CEO of Meridian Fund Services Limited
|
c/o
Meridian Fund Services Limited
73
Front Street Hamilton HM 12
P.O.
Box HM 528 Hamilton HMCX
Bermuda
|
Cary
Marr, Director
|
Senior
Vice President – Operations, for Meridian Fund Services
Limited
|
c/o
Meridian Fund Services Limited
73
Front Street Hamilton HM 12
P.O.
Box HM 528 Hamilton HMCX
Bermuda
|
Name and
Position
|
Principal
Occupation
|
Principal Business
Address
|
Gabe
Hoffman, Director
|
Managing
member of Accipiter Capital Management, LLC, and Candens Capital,
LLC
|
399
Park Avenue
38th
Floor
New
York, New York 10022
|
Tom
Davis, Director
|
President
and CEO of Meridian Fund Services Limited
|
c/o
Meridian Fund Services Limited
73
Front Street Hamilton HM 12
P.O.
Box HM 528 Hamilton HMCX
Bermuda
|
Cary
Marr, Director
|
Senior
Vice President – Operations, for Meridian Fund Services
Limited
|
c/o
Meridian Fund Services Limited
73
Front Street Hamilton HM 12
P.O.
Box HM 528 Hamilton HMCX
Bermuda
|