0001350653 2026-10-29 2026-10-29 0001350653 false 8-K 2026-10-29 Alphatec Holdings, Inc. DE 000-52024 20-2463898 1950 Camino Vida Roble Carlsbad CA 92008 760 431-9286 false false false false Common stock, par value $.0001 per share ATEC NASDAQ false