CARLSBAD, Calif., Aug. 02, 2019 (GLOBE NEWSWIRE) — Alphatec Holdings, Inc. (“ATEC”) (NASDAQ: ATEC), a provider of innovative spine surgery solutions dedicated to revolutionizing the approach to spine surgery, today announced the closing of its previously announced underwritten public offering of 12,535,000 shares of its common stock at a public offering price of $4.60 per share, …