1
|
NAME OF REPORTING PERSON
Accipiter Life Sciences Fund, LP
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(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
177,010
|
|
8
|
SHARED VOTING POWER
- 0 -
|
||
9
|
SOLE DISPOSITIVE POWER
177,010
|
||
10
|
SHARED DISPOSITIVE POWER
- 0 -
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
177,010
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
Less than 1%
|
||
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) o
(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
1,216,411
|
|
8
|
SHARED VOTING POWER
- 0 -
|
||
9
|
SOLE DISPOSITIVE POWER
1,216,411
|
||
10
|
SHARED DISPOSITIVE POWER
- 0 -
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,216,411
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
4.8%
|
||
14
|
TYPE OF REPORTING PERSON
CO
|
1
|
NAME OF REPORTING PERSON
Candens Capital, LLC
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) o
(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
177,010
|
|
8
|
SHARED VOTING POWER
- 0 -
|
||
9
|
SOLE DISPOSITIVE POWER
177,010
|
||
10
|
SHARED DISPOSITIVE POWER
- 0 -
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
177,010
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
Less than 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) o
(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
1,393,421
|
|
8
|
SHARED VOTING POWER
- 0 -
|
||
9
|
SOLE DISPOSITIVE POWER
1,393,421
|
||
10
|
SHARED DISPOSITIVE POWER
- 0 -
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,393,421
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
5.6%
|
||
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) o
(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
1,393,421
|
|
8
|
SHARED VOTING POWER
- 0 -
|
||
9
|
SOLE DISPOSITIVE POWER
1,393,421
|
||
10
|
SHARED DISPOSITIVE POWER
- 0 -
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,393,421
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
5.6%
|
||
14
|
TYPE OF REPORTING PERSON
IN
|
Item 2.
|
Identity and Background.
|
|
Item 2 is hereby amended to update the principal business and mailing addresses of the Reporting Persons as follows:
|
Item 3.
|
Source and Amount of Funds or Other Consideration.
|
Item 5.
|
Interest in Securities of the Issuer.
|
Dated: January 10, 2014
|
ACCIPITER LIFE SCIENCES FUND, 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 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
|
Shares of Common
Stock Purchased/(Sold)
|
Price Per
Share($)
|
Date of
Transaction
|
(648)
|
19.5833
|
11/26/2013
|
|
(5,491)
|
20.3231
|
12/02/2013
|
|
(7,233)
|
20.1647
|
12/03/2013
|
|
(23,560)
|
19.6497
|
12/04/2013
|
|
(22,706)
|
19.5597
|
01/07/2014
|
(2,052)
|
19.5838
|
11/26/2013
|
|
(23,467)
|
20.1647
|
12/03/2013
|
|
(76,440)
|
19.6497
|
12/04/2013
|
|
(194,105)
|
19.5597
|
01/07/2014
|
|
(13,189)
|
19.5556
|
01/07/2014
|