CUSIP No. 89354M106
|
13G
|
Page 2 of 8 Pages
|
1
|
NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
TANG CAPITAL PARTNERS, LP
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
|
(a) ¨
(b) ý
|
3
|
SEC USE ONLY
|
|
4
|
CITIZENSHIP OR PLACE OF ORGANIZATION
DELAWARE
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH REPORTING
PERSON WITH
|
5
|
SOLE VOTING POWER
0
|
6
|
SHARED VOTING POWER
0
|
|
7
|
SOLE DISPOSITIVE POWER
0
|
|
8
|
SHARED DISPOSITIVE POWER
0
|
9
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0
|
10
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
¨
|
11
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
0.0%
|
12
|
TYPE OF REPORTING PERSON
PN
|
CUSIP No. 89354M106
|
13G
|
Page 3 of 8 Pages
|
1
|
NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
TANG CAPITAL MANAGEMENT, LLC
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
|
(a) ¨
(b) ý
|
3
|
SEC USE ONLY
|
|
4
|
CITIZENSHIP OR PLACE OF ORGANIZATION
DELAWARE
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH REPORTING
PERSON WITH
|
5
|
SOLE VOTING POWER
0
|
6
|
SHARED VOTING POWER
0
|
|
7
|
SOLE DISPOSITIVE POWER
0
|
|
8
|
SHARED DISPOSITIVE POWER
0
|
9
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0
|
10
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
¨
|
11
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
0.0%
|
12
|
TYPE OF REPORTING PERSON
OO
|
CUSIP No. 89354M106
|
13G
|
Page 4 of 8 Pages
|
1
|
NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
KEVIN C. TANG
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
|
(a) ¨
(b) ý
|
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
0
|
|
7
|
SOLE DISPOSITIVE POWER
0
|
|
8
|
SHARED DISPOSITIVE POWER
0
|
9
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0
|
10
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
¨
|
11
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
0.0%
|
12
|
TYPE OF REPORTING PERSON
IN
|
Item 1(a).
|
Name of Issuer:
|
Item1 (b).
|
Address of Issuer’s Principal Executive Offices:
|
Item 2(a).
|
Name of Person Filing:
|
Item 2(b).
|
Address of Principal Business Office or, if none, Residence:
|
Item 2(c).
|
Citizenship:
|
Item 2(d).
|
Title of Class of Securities:
|
Item 2(e).
|
CUSIP Number: 89354M106
|
Item 3.
|
Not applicable.
|
Item 4.
|
Ownership.
|
(a)
|
Amount Beneficially Owned:
|
(b)
|
Percent of Class:
|
Tang Capital Partners
|
0.0%
|
Tang Capital Management
|
0.0%
|
Kevin C. Tang
|
0.0%
|
(c)
|
Number of shares as to which such person has:
|
(i)
|
sole power to vote or to direct the vote:
|
Tang Capital Partners
|
0 shares
|
Tang Capital Management
|
0 shares
|
Kevin C. Tang
|
0 shares
|
(ii)
|
shared power to vote or to direct the vote:
|
Tang Capital Partners
|
0 shares
|
Tang Capital Management
|
0 shares
|
Kevin C. Tang
|
0 shares
|
(iii)
|
sole power to dispose or to direct the disposition of:
|
Tang Capital Partners
|
0 shares
|
Tang Capital Management
|
0 shares
|
Kevin C. Tang
|
0 shares
|
(iv)
|
shared power to dispose or to direct the disposition of:
|
Tang Capital Partners
|
0 shares
|
Tang Capital Management
|
0 shares
|
Kevin C. Tang
|
0 shares
|
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.
|
Item 8.
|
Identification and Classification of Members of the Group.
|
Item 9.
|
Notice of Dissolution of Group.
|
Item 10.
|
Certification.
|
Date:
|
February 14, 2013
|
||
TANG CAPITAL PARTNERS, LP
|
|||
By: Tang Capital Management, LLC, its General Partner
|
|||
By:
|
/s/ Kevin C. Tang
|
||
Kevin C. Tang, Manager
|
|||
TANG CAPITAL MANAGEMENT, LLC
|
|||
By:
|
/s/ Kevin C. Tang
|
||
Kevin C. Tang, Manager
|
|||
/s/ Kevin C. Tang
|
|||
Kevin C. Tang |