SEATTLE--(BUSINESS WIRE)--May 10, 2006--Northstar Neuroscience, Inc. (Nasdaq:NSTR - News) today announced that the underwriters of Northstar's initial public offering exercised their option in full to purchase an additional 1,065,000 shares of its common stock to cover over-allotments. In addition, Northstar announced that it completed the sale of 8,165,000 shares of its common stock, including the underwriters' over-allotment option. All of the shares were sold to the public at an initial public offering price of $15.00 per share.