X0508 4 2025-08-15 0 0001453593 Xtant Medical Holdings, Inc. XTNT 0001790461 Browne Sean E C/O XTANT MEDICAL HOLDINGS, INC. 664 CRUISER LANE BELGRADE MT 59714 1 1 0 0 President and CEO 0 Common Stock 2025-08-15 4 F 0 10605 0.63 D 2180337 D These shares were withheld by the Issuer to pay tax withholding obligations upon vesting and settlement of restricted stock unit awards. Includes an aggregate of 818,740 shares issuable upon vesting and settlement of restricted stock unit awards or deferred stock unit awards granted under the Xtant Medical Holdings, Inc. 2023 Equity Incentive Plan, in each case conditioned upon the Reporting Person remaining an employee of Xtant through the respective vesting dates. /s/ Amy Culbert, attorney-in-fact 2025-08-19