Exhibit 4.1 STOCK PURCHASE AGREEMENT THIS STOCK PURCHASE AGREEMENT (this "Agreement") is made as of the __ day of November 2004 by and among VAXGEN, INC. (the "Company"), a Delaware corporation, with its principal offices at 1000 Marina Blvd., Suite...Stock Purchase Agreement • November 24th, 2004 • Vaxgen Inc • Pharmaceutical preparations • California
