Form 4 Filing for Alphatec Holdings, Inc.

Karen K. McGinnis, a director at Alphatec Holdings, Inc. (ATEC), was granted 32,012 restricted stock units on June 10, 2026. These units vest on the earlier of the next annual stockholder meeting or her death or resignation, with pro-rata vesting in the latter cases. On June 11, 2026, McGinnis sold 6,050 shares of common stock at $8.01 per share. This sale was conducted as part of a Rule 10b5-1 trading plan established on November 21, 2025, to cover tax withholding obligations arising from the vesting of restricted stock units. Following these transactions, McGinnis holds 94,671 shares of common stock.