c11248013da3.htm

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) ¨
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 3,463,926
		9.	Sole Dispositive Power 0
		10.	Shared Dispositive Power 3,463,926
11.	Aggregate Amount Beneficially Owned by Each Reporting Person 3,463,926
12.	Check if the Aggregate Amount in Row (11) Excludes Certain Shares ¨
13.	Percent of Class Represented by Amount in Row (11) 13.3%
14	Type of Reporting Person PN

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) ¨
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 3,463,926
		9.	Sole Dispositive Power 0
		10.	Shared Dispositive Power 3,463,926
11.	Aggregate Amount Beneficially Owned by Each Reporting Person 3,463,926
12.	Check if the Aggregate Amount in Row (11) Excludes Certain Shares ¨
13.	Percent of Class Represented by Amount in Row (11) 13.3%
14	Type of Reporting Person OO

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) ¨
6.	Citizenship or Place of Organization United States
Number of Shares Beneficially Owned by Each Reporting Person With		7.	Sole Voting Power 145,000
		8.	Shared Voting Power 3,679,107
		9.	Sole Dispositive Power 145,000
		10.	Shared Dispositive Power 3,772,107
11.	Aggregate Amount Beneficially Owned by Each Reporting Person 3,917,107
12.	Check if the Aggregate Amount in Row (11) Excludes Certain Shares ¨
13.	Percent of Class Represented by Amount in Row (11) 14.9%
14	Type of Reporting Person IN

Explanatory Note: This Amendment No. 3 relates to and amends the Statement of Beneficial Ownership on Schedule 13D/A of Tang Capital Partners, LP, a Delaware partnership, Tang Capital Management, LLC, a Delaware limited liability company and Kevin C. Tang, a United States citizen (each, a “Reporting Person” and collectively, the “Reporting Persons”), initially filed jointly by the Reporting Persons with the Securities and Exchange Commission on May 16, 2008 and amended on July 2, 2008 and November 17, 2008 (the “Statement”), with respect to the Common Stock, $0.001 par value (the “Common Stock”), of Northstar Neuroscience, Inc., a Washington corporation (the “Issuer”).

Items 3 and 5 of the Statement are hereby amended to the extent hereinafter expressly set forth. All capitalized terms used and not expressly defined herein have the respective meanings ascribed to such terms in the Statement.

Item 3. Source and Amount of Funds or Other Consideration

Item 3 of the Statement is hereby amended to add the following:

Since the date of the last filing on Schedule 13D/A, on November 18, 2008, Tang Capital Partners, LP purchased 410,000 and 275,000 shares of Northstar Neuroscience, Inc.’s common stock through the open market for $1.00 and $1.1885 per share, respectively.

Tang Capital Partners, LP holds some of its shares in commingled margin accounts, which may extend margin credit to Tang Capital Partners, LP as and when required to open or carry positions in the margin accounts, subject to applicable federal margin regulations, stock exchange rules and credit policies. In such instances, the positions held in the margin accounts are pledged as collateral security for the repayment of debit balances in these accounts. The margin accounts may from time to time have debit balances. Since other securities are held in the margin accounts, it is not possible to determine the amounts, if any, of margin used to purchase the shares of common stock reported herein.

Item 5. Interest in Securities of the Issuer.

Item 5 of the Statement is hereby amended and restated in its entirety as follows:

(a)	Amount beneficially owned and percentage of class:

	Tang Capital Partners, LP	3,463,926 shares, representing 13.3% of the class
	Tang Capital Management, LLC	3,463,926 shares, representing 13.3% of the class
	Kevin C. Tang	3,917,107 shares, representing 14.9% of the class

Tang Capital Partners, LP is the record and beneficial owner of 3,463,926 shares of the Issuer’s common stock and shares voting and dispositive power over such securities with Tang Capital Management, LLC and Kevin C. Tang.

Tang Capital Management, LLC, as the general partner of Tang Capital Partners, LP, may be deemed to beneficially own the 3,463,926 shares held of record by Tang Capital Partners, LP and shares voting and dispositive power over such shares with Tang Capital Partners, LP and Kevin C. Tang.

Kevin C. Tang is the beneficial owner of 3,917,107 shares of the Issuer’s common stock, comprising 40,000 shares owned by Justin L. Tang under the Uniform Transfers to Minors Act (“UTMA”), for which Kevin C. Tang serves as trustee, 35,000 shares owned by Julian K. Tang under the UTMA, for which Kevin C. Tang serves as trustee, 15,000 shares owned by Noa Y. Tang under the UTMA, for which Kevin C. Tang serves as trustee, 28,000 shares owned by the Tang Advisors, LLC Profit Sharing Plan, for which Kevin C. Tang serves as trustee and is a participant, 125,000 shares held by the Tang Family Trust, for which Kevin C. Tang serves as co-trustee, 27,000 shares held by Kevin C. Tang’s Individual Retirement Account, 17,000 shares owned by the Individual Retirement Account for the benefit of Chang L. Kong (the “Chang IRA”), 16,000 shares owned by the Individual Retirement Account for the benefit of Chung W. Kong (the “Chung IRA”), 60,000 shares owned by Joan M. Lamb, 90,181 shares owned by the Haeyoung and Kevin Tang Foundation, Inc., and 3,463,926 shares held by Tang Capital Partners, LP.

Justin L. Tang, Julian K. Tang and Noa Y. Tang are Kevin C. Tang’s children. Kevin C. Tang is a beneficiary of the Tang Family Trust and shares voting and dispositive power over the shares held by the Tang Family Trust with his wife, Haeyoung K. Tang. Chang L. and Chung W. Kong are Kevin C. Tang’s in-laws and Mr. Tang may be deemed to have shared dispositive power over the shares held in the Chang IRA and the Chung IRA. Joan M. Lamb is an acquaintance of Kevin C. Tang and Mr. Tang may be deemed to have shared dispositive power over the shares held by Ms. Lamb. The Haeyoung and Kevin Tang Foundation, Inc. is a private foundation, for which Kevin C. Tang serves as President and Treasurer. Mr. Tang shares voting and dispositive power over the shares held by this foundation with Haeyoung K. Tang. Tang Capital Management, LLC, as the general partner of Tang Capital Partners, LP, and Kevin C. Tang, as the manager of Tang Capital Management, LLC, may also be deemed to beneficially own the shares beneficially owned by Tang Capital Partners, LP. Kevin C. Tang disclaims beneficial ownership of all shares reported herein except to the extent of his pecuniary interest therein. Chang L. and Chung W. Kong are retired U.S. citizens and their address is 6429 Peinado Way, San Diego, CA 92121. Haeyoung K. Tang is a U.S. citizen and shares her residence with Kevin C. Tang. Joan M. Lamb is a U.S. citizen and her address is 1160 Park Avenue, New York, NY 10128. Ms. Lamb is self-employed in the design industry. The Haeyoung and Kevin Tang Foundation, Inc. is a not-for-profit corporation incorporated in the state of Delaware and its address is 4401 Eastgate Mall, San Diego, CA 92121.

(b)	Voting and disposition powers:

	Sole power to vote or direct the vote:

	Tang Capital Partners, LP	0 shares
	Tang Capital Management, LLC	0 shares
	Kevin C. Tang	145,000 shares

	Shared power to vote or direct the vote:

	Tang Capital Partners, LP	3,463,926 shares
	Tang Capital Management, LLC	3,463,926 shares
	Kevin C. Tang	3,679,107 shares


	Sole power to dispose or direct the disposition:

	Tang Capital Partners, LP	0 shares
	Tang Capital Management, LLC	0 shares
	Kevin C. Tang	145,000 shares

	Shared power to dispose or direct the disposition:

	Tang Capital Partners, LP	3,463,926 shares
	Tang Capital Management, LLC	3,463,926 shares
	Kevin C. Tang	3,772,107 shares

(c) Other than the purchases described in Item 3, none of Kevin C. Tang, Tang Capital Partners, LP and Tang Capital Management, LLC have effected any transaction in the Issuer’s common stock within the last 60 days.

(d) N/A.

(e) N/A.

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