Vanda
Pharmaceuticals Inc.
|
(Name
of Issuer)
|
Common Stock, par value $0.001 per
share
|
(Title
of Class of Securities)
|
921659108
|
(CUSIP
Number)
|
Kevin
C. Tang
Tang
Capital Management, LLC
4401
Eastgate Mall
San
Diego, CA 92121
(858) 200-3830
|
(Name,
Address and Telephone Number of Person Authorized to
Receive
Notices and Communications)
|
September 25, 2008
|
(Date
of Event which Requires Filing of this
Statement)
|
CUSIP
No. 921659108
|
13D
|
Page
2 of 11
|
||||
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
|
Source
of Funds
WC
|
|||||
5
|
Check
If Disclosure of Legal Proceeding Is Required Pursuant to Items 2(d) or
2(e)
|
o
|
||||
6
|
Citizenship
or Place of Organization
Delaware
|
|||||
Number
of
|
7
|
Sole
Voting Power
0
|
||||
Shares
Beneficially
Owned
by
|
8
|
Shared
Voting Power
5,619,058
|
||||
Each
Reporting
Person
With
|
9
|
Sole
Dispositive Power
0
|
||||
|
10
|
Shared
Dispositive Power
5,619,058
|
||||
11
|
Aggregate
Amount Beneficially Owned by Each Reporting Person
5,619,058
|
|||||
12
|
Check
if the Aggregate Amount in Row (11) Excludes Certain Shares
|
¨
|
||||
13
|
Percent
of Class Represented by Amount in Row (11)
21.1%
|
|||||
14
|
Type
of Reporting Person
PN
|
CUSIP
No. 921659108
|
13D
|
Page 3
of 11
|
||||
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
|
Source
of Funds
WC
|
|||||
5
|
Check
If Disclosure of Legal Proceeding Is Required Pursuant to Items 2(d) or
2(e)
|
o
|
||||
6
|
Citizenship
or Place of Organization
Delaware
|
|||||
Number
of
|
7
|
Sole
Voting Power
0
|
||||
Shares
Beneficially
Owned
by
|
8
|
Shared
Voting Power
5,619,058
|
||||
Each
Reporting
Person
With
|
9
|
Sole
Dispositive Power
0
|
||||
|
10
|
Shared
Dispositive Power
5,619,058
|
||||
11
|
Aggregate
Amount Beneficially Owned by Each Reporting Person
5,619,058
|
|||||
12
|
Check
if the Aggregate Amount in Row (11) Excludes Certain Shares
|
o
|
||||
13
|
Percent
of Class Represented by Amount in Row (11)
21.1%
|
|||||
14
|
Type
of Reporting Person
OO
|
CUSIP
No. 921659108
|
13D
|
Page 4
of 11
|
||||
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
|
Source
of Funds
PF,
WC, OO
|
|||||
5
|
Check
If Disclosure of Legal Proceeding Is Required Pursuant to Items 2(d) or
2(e)
|
o
|
||||
6
|
Citizenship
or Place of Organization
United
States
|
|||||
Number
of
|
7
|
Sole
Voting Power
0
|
||||
Shares
Beneficially
Owned
by
|
8
|
Shared
Voting Power
5,836,642
|
||||
Each
Reporting
Person
With
|
9
|
Sole
Dispositive Power
0
|
||||
|
10
|
Shared
Dispositive Power
5,919,058
|
||||
11
|
Aggregate
Amount Beneficially Owned by Each Reporting Person
5,919,058
|
|||||
12
|
Check
if the Aggregate Amount in Row (11) Excludes Certain Shares
|
o
|
||||
13
|
Percent
of Class Represented by Amount in Row (11)
22.2%
|
|||||
14
|
Type
of Reporting Person
IN
|
Tang
Capital Partners, LP
|
5,619,058
shares, representing 21.1% of the class
|
Tang
Capital Management, LLC
|
5,619,058
shares, representing 21.1% of the class
|
Kevin
C. Tang
|
5,919,058
shares, representing 22.2% of the
class
|
Sole
power to vote or direct the vote:
|
|
Tang
Capital Partners, LP
|
0
shares
|
Tang
Capital Management, LLC
|
0
shares
|
Kevin
C. Tang
|
0
shares
|
Shared
power to vote or direct the vote:
|
|
Tang
Capital Partners, LP
|
5,619,058
shares
|
Tang
Capital Management, LLC
|
5,619,058
shares
|
Kevin
C. Tang
|
5,836,642
shares
|
Sole
power to dispose or direct the disposition:
|
|
Tang
Capital Partners, LP
|
0
shares
|
Tang
Capital Management, LLC
|
0
shares
|
Kevin
C. Tang
|
0
shares
|
Shared
power to dispose or direct the disposition:
|
|
Tang
Capital Partners, LP
|
5,619,058
shares
|
Tang
Capital Management, LLC
|
5,619,058
shares
|
Kevin
C. Tang
|
5,919,058
shares
|
Entity
|
Transaction
|
Trade
Date
|
Shares
|
Price/Share
|
Tang
Capital Partners, LP
|
Purchase
|
7/28/2008
|
100,000
|
1.0600
|
Tang
Capital Partners, LP
|
Purchase
|
7/29/2008
|
740,600
|
0.8660
|
Tang
Capital Partners, LP
|
Purchase
|
7/30/2008
|
735,800
|
0.9210
|
Tang
Capital Partners, LP
|
Purchase
|
7/31/2008
|
115,726
|
0.9210
|
Tang
Capital Partners, LP
|
Purchase
|
8/1/2008
|
5,714
|
0.9300
|
Tang
Capital Partners, LP
|
Purchase
|
8/4/2008
|
5,360
|
0.9300
|
Tang
Capital Partners, LP
|
Purchase
|
8/5/2008
|
145,583
|
0.9230
|
Tang
Capital Partners, LP
|
Purchase
|
8/6/2008
|
100,000
|
0.9500
|
Tang
Capital Partners, LP
|
Purchase
|
8/7/2008
|
413,000
|
1.0250
|
Tang
Capital Partners, LP
|
Sale
|
8/13/2008
|
31,703
|
1.3000
|
Tang
Capital Partners, LP
|
Sale
|
8/14/2008
|
33,353
|
1.3000
|
Tang
Capital Partners, LP
|
Purchase
|
8/18/2008
|
1,479
|
1.0800
|
Tang
Capital Partners, LP
|
Purchase
|
8/19/2008
|
182,900
|
1.1400
|
Tang
Capital Partners, LP
|
Purchase
|
8/20/2008
|
177,100
|
1.1280
|
Tang
Capital Partners, LP
|
Purchase
|
9/9/2008
|
1,100,000
|
1.0498
|
The
Haeyoung and Kevin Tang Foundation, Inc.
|
Purchase
|
9/10/2008
|
52,000
|
1.0151
|
The
Haeyoung and Kevin Tang Foundation, Inc.
|
Purchase
|
9/11/2008
|
22,900
|
1.0471
|
The
Haeyoung and Kevin Tang Foundation, Inc.
|
Purchase
|
9/12/2008
|
56,484
|
1.0368
|
The
Haeyoung and Kevin Tang Foundation, Inc.
|
Purchase
|
9/15/2008
|
86,200
|
1.0134
|
Chang
L. Kong
|
Purchase
|
9/16/2008
|
41,208
|
0.9720
|
Chung
W. Kong
|
Purchase
|
9/16/2008
|
41,208
|
0.9720
|
Tang
Capital Partners, LP
|
Purchase
|
9/19/2008
|
1,080,852
|
0.9793
|
Tang
Capital Partners, LP
|
Purchase
|
9/22/2008
|
100,000
|
0.9988
|
Tang
Capital Partners, LP
|
Purchase
|
9/23/2008
|
80,000
|
0.9815
|
Tang
Capital Partners, LP
|
Purchase
|
9/25/2008
|
600,000
|
1.0378
|
Tang Capital Partners, LP | |||
By: | Tang Capital Management, LLC | ||
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 | |||