(Name
of Issuer)
Common
Stock, par value $0.001 per share
|
||
(Title
of Class of Securities)
|
||
37245M603
|
||
(CUSIP
Number)
September
4, 2009
|
||
(Date
of Event which Requires Filing of this Statement)
|
CUSIP
No. 37245M603
|
|||
1
|
NAMES
OF REPORTING PERSONS
I.R.S.
IDENTIFICATION NOS. OF ABOVE PERSONS (entities only)
Felix J.
Baker
|
||
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See
Instructions)
(a)
¨
(b)
¨
|
||
3
|
SEC
USE ONLY
|
||
4
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
United
States
|
||
NUMBER
OF
SHARES
BENEFICIALLY
OWNED
BY
EACH
REPORTING
PERSON
WITH
|
5
|
SOLE
VOTING POWER
-0-
|
|
6
|
SHARED
VOTING POWER
16,968,279
|
||
7
|
SOLE
DISPOSITIVE POWER
-0-
|
||
8
|
SHARED
DISPOSITIVE POWER
16,968,279
|
||
9
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
16,968,279
|
||
10
|
CHECK BOX IF THE AGGREGATE
AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
¨
(See
Instructions)
|
||
11
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW 9
9.9%
|
||
12
|
TYPE
OF REPORTING PERSON (See Instructions)
IN
|
CUSIP
No. 37245M603
|
|||
1
|
NAMES
OF REPORTING PERSONS
I.R.S.
IDENTIFICATION NOS. OF ABOVE PERSONS (entities only)
Julian C.
Baker
|
||
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See
Instructions)
(a)
¨
(b) ¨
|
||
3
|
SEC
USE ONLY
|
||
4
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
United
States
|
||
NUMBER
OF
SHARES
BENEFICIALLY
OWNED
BY
EACH
REPORTING
PERSON
WITH
|
5
|
SOLE
VOTING POWER
-0-
|
|
6
|
SHARED
VOTING POWER
16,968,279
|
||
7
|
SOLE
DISPOSITIVE POWER
-0-
|
||
8
|
SHARED
DISPOSITIVE POWER
16,968,279
|
||
9
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
16,968,279
|
||
10
|
CHECK BOX IF THE AGGREGATE
AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
¨
(See
Instructions)
|
||
11
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW 9
9.9%
|
||
12
|
TYPE
OF REPORTING PERSON (See Instructions)
IN
|
Name
|
Business Address
|
Felix
J. Baker
|
667
Madison Avenue
New
York, NY 10065
|
Julian
C. Baker
|
667
Madison Avenue
New
York,
NY 10065
|
Item
3.
|
If
this statement is filed pursuant to §§240.13d-1(b) or (c), check whether
the person filing is
a: N/A
|
Name
|
Number
of Shares
|
Percent
of Class
Outstanding
|
||||||
667,
L.P.
|
11,647,351 | 6.5 | % | |||||
Baker
Brothers Life Sciences, L.P.
|
16,968,279 | 9.7 | % | |||||
14159,
L.P.
|
1,581,684 | 0.9 | % | |||||
|
|
|
||||||
Total
|
16,968,279 | 9.9 | % |
Item
5.
|
Ownership
of Five Percent or Less of a Class.
|
Item
6.
|
Ownership
of More than Five Percent on Behalf of Another
Person.
|
Item
7.
|
Identification
and Classification of the Subsidiary Which Acquired the Security Being
Reported on by the Parent Holding Company or Control
Person.
|
Item
8.
|
Identification
and Classification of Members of the
Group.
|
Item
9.
|
Notice
of Dissolution of Group.
|
Item
10.
|
Certification.
|
/s/
Felix J. Baker
|
|
Felix
J. Baker
|
|
/s/
Julian C. Baker
|
|
Julian
C. Baker
|
|
/s/
Felix J. Baker
|
|
Felix
J. Baker
|
|
/s/
Julian C. Baker
|
|
Julian
C. Baker
|
|