1
|
NAME OF REPORTING PERSON
BIOTECHNOLOGY VALUE FUND, L.P.
|
||
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
- 0 -
|
|
8
|
SHARED VOTING POWER
15,592,160
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
15,592,160
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
15,592,160
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
5.5%
|
||
14
|
TYPE OF REPORTING PERSON
PN
|
1
|
NAME OF REPORTING PERSON
BIOTECHNOLOGY VALUE FUND II, L.P.
|
||
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
- 0 -
|
|
8
|
SHARED VOTING POWER
8,850,836
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
8,850,836
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
8,850,836
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
3.1%
|
||
14
|
TYPE OF REPORTING PERSON
PN
|
1
|
NAME OF REPORTING PERSON
BIOTECHNOLOGY VALUE TRADING FUND OS 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
CAYMAN ISLANDS
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 0 -
|
|
8
|
SHARED VOTING POWER
3,090,744
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
3,090,744
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,090,744
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
1.1%
|
||
14
|
TYPE OF REPORTING PERSON
PN
|
1
|
NAME OF REPORTING PERSON
BVF PARTNERS OS LTD.
|
||
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
CAYMAN ISLANDS
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 0 -
|
|
8
|
SHARED VOTING POWER
3,090,744
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
3,090,744
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,090,744
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
1.1%
|
||
14
|
TYPE OF REPORTING PERSON
CO
|
1
|
NAME OF REPORTING PERSON
BVF PARTNERS L.P.
|
||
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
- 0 -
|
|
8
|
SHARED VOTING POWER
44,796,940
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
44,796,940
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
44,796,940
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
15.9%
|
||
14
|
TYPE OF REPORTING PERSON
PN, IA
|
1
|
NAME OF REPORTING PERSON
BVF INC.
|
||
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
- 0 -
|
|
8
|
SHARED VOTING POWER
44,796,940
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
44,796,940
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
44,796,940
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
15.9%
|
||
14
|
TYPE OF REPORTING PERSON
CO
|
1
|
NAME OF REPORTING PERSON
MARK N. LAMPERT
|
||
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
- 0 -
|
|
8
|
SHARED VOTING POWER
44,796,940
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
44,796,940
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
44,796,940
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
15.9%
|
||
14
|
TYPE OF REPORTING PERSON
IN
|
1
|
NAME OF REPORTING PERSON
MATTHEW D. PERRY
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC USE ONLY
|
||
4
|
SOURCE OF FUNDS
|
||
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
- 0 -
|
|
8
|
SHARED VOTING POWER
- 0 -
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
- 0 -
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
- 0 -
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0%
|
||
14
|
TYPE OF REPORTING PERSON
IN
|
Item 2.
|
Identity and Background.
|
Item 4.
|
Purpose of Transaction
|
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 Biotechnology Value Fund, L.P., Biotechnology Value Fund II, L.P., Biotechnology Value Trading Fund OS LP, BVF Partners OS Ltd., BVF Partners L.P., BVF Inc. Mark N. Lampert and Matthew D. Perry, dated January 13, 2016.
|
BIOTECHNOLOGY VALUE FUND, L.P.
|
BVF INC.
|
||
|
|
||
By:
|
BVF Partners L.P., its general partner
|
By:
|
/s/ Mark N. Lampert
|
By:
|
BVF Inc., its general partner
|
Mark N. Lampert
|
|
|
President
|
||
By:
|
/s/ Mark N. Lampert
|
||
Mark N. Lampert
|
|
||
President
|
/s/ Mark N. Lampert
|
||
|
MARK N. LAMPERT
|
||
|
|||
BIOTECHNOLOGY VALUE FUND II, L.P.
|
|||
|
|||
By:
|
BVF Partners L.P., its general partner
|
||
By:
|
BVF Inc., its general partner
|
||
|
|||
By:
|
/s/ Mark N. Lampert
|
||
Mark N. Lampert
|
|||
President
|
|||
BVF PARTNERS L.P.
|
|||
By:
|
BVF Inc., its general partner
|
||
|
|||
By:
|
/s/ Mark N. Lampert
|
||
Mark N. Lampert
|
|||
President
|
BVF PARTNERS OS LTD.
|
|||
By:
|
BVF Partners L.P., its sole member
|
||
By:
|
BVF Inc., its general partner
|
||
|
|||
By:
|
/s/ Mark N. Lampert
|
||
Mark N. Lampert
|
|||
President
|
|||
BIOTECHNOLOGY VALUE TRADING FUND OS LP
|
|||
By:
|
BVF Partners L.P., its investment manager
|
||
By:
|
BVF Inc., its general partner
|
||
|
|||
By:
|
/s/ Mark N. Lampert
|
||
Mark N. Lampert
|
|||
President
|
/s/ Matthew D. Perry
|
MATTHEW D. PERRY
|