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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1103390	Ardea Biosciences Inc.	RDEA	Pharmaceutical Preparations (2834)	943200380

Insiders

Cik	Name	Reported Address	Director	Officer	Large Shareholder	Other
1178579	C Kevin Tang	4401 Eastgate Mall San Diego CA 92121	Yes	No	Yes	No
1191935	Tang Capital Partners Lp	4401 Eastgate Mall San Diego CA 92121	No	No	Yes	No
1232621	Tang Capital Management Llc	4401 Eastgate Mall San Diego CA 92121	No	No	Yes	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2011-01-20	212,000	$26.00	3,307,112	No	4	P	Indirect	By LP

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Indirect	By LP

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	67,052	Indirect	As Trustee
Common Stock	15,089	Direct

Footnotes

The securities are held by Tang Capital Partners, LP. Kevin C. Tang is the sole manager of Tang Capital Management, LLC, which is the general partner of Tang Capital Partners, LP. Mr. Tang disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.
The securities are owned by Kevin C. Tang as custodian for his minor children and as Trustee of the Tang Advisors, LLC Profit Sharing Plan, for which Mr. Tang serves as Trustee and in which he is a participant. Mr. Tang disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.
The securities are owned by Kevin C. Tang's IRA.