Form 4 Filing for Alphatec Holdings, Inc.

This filing details a transaction by Marshall Tyson Eliot, General Counsel & Corp. Sec. of Alphatec Holdings, Inc. On August 5, 2026, Mr. Eliot sold 8,168 shares of Common Stock at a weighted average price of $9.65 per share. This sale was executed as part of a Rule 10b5-1 trading plan established on March 14, 2025, to address tax withholding obligations arising from vested restricted stock units. The sale occurred in multiple transactions with prices ranging from $9.41 to $10.01. Following this transaction, Mr. Eliot directly owns 630,398 shares of Alphatec Holdings, Inc. common stock.