CARLSBAD, Calif., Sept. 12, 2007 (PRIME NEWSWIRE) -- Alphatec Holdings, Inc. (Nasdaq:ATEC), a medical technology company focused on the design, development, manufacturing and marketing of products for the surgical treatment of spine disorders, announced plans to offer 8,000,000 shares of common stock pursuant to an effective registration statement in an underwritten public offering. Alphatec intends to grant the underwriters a 30-day option to purchase up to an additional 1,200,000 shares of common stock to cover any over-allotments.