13D Filing: Tang Capital Partners LP and La Jolla Pharmaceutical Co (LJPC)

Page 2 of 8 – SEC Filing

CUSIP NO. 503459604
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
Shares Beneficially
Owned by
Each Reporting
Person With
7.
Sole Voting Power
0
8.
Shared Voting Power
4,138,893
9.
Sole Dispositive Power
0
10.
Shared Dispositive Power
4,138,893
11.
Aggregate Amount Beneficially Owned by Each Reporting Person
4,138,893
12.
Check if the Aggregate Amount in Row (11) Excludes Certain Shares          ¨
13.
Percent of Class Represented by Amount in Row (11)
16.2%
14
Type of Reporting Person
PN

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