Exhibit 10.1 Execution Version AMENDMENT NO. 1 TO CREDIT, SECURITY AND GUARANTY AGREEMENT This AMENDMENT NO. 1 TO CREDIT, SECURITY AND GUARANTY AGREEMENT (this "Agreement") is made as of this 29th day of October, 2024, by and among ALPHATEC HOLDINGS, INC., a Delaware corporation (the "Borrower"), the Guarantors party hereto (the "Guarantors"), WILMINGTON TRUST, NATIONAL ASSOCIATION, in its capacity as administrative agent and collateral agent (in such capacities and together with its permitted successors an ...