SCHEDULE 13G/A 0000935836-25-000279 0001105806 XXXXXXXX LIVE 1 Common Stock 12/31/2025 0001453593 Xtant Medical Holdings, Inc. 98420P308 664 CRUISER LANE BELGRADE MT 59714 Rule 13d-1(c) LYTTON LAURENCE W X1 675898.00 7026104.00 675898.00 7026104.00 7702002.00 N 5.5 IN Percentage calculated based on 140,004,240 shares of Common Stock outstanding on November 7, 2025, as reported in the Form 10-Q filed by the Issuer for the quarterly period ended September 30, 2025. LYTTON-KAMBARA FOUNDATION X1 0.00 7026104.00 0.00 7026104.00 7026104.00 N 5.0 IN Percentage calculated based on 140,004,240 shares of Common Stock outstanding on November 7, 2025, as reported in the Form 10-Q filed by the Issuer for the quarterly period ended September 30, 2025. Xtant Medical Holdings, Inc. 664 Cruiser Lane, Belgrade, MT 59714 Laurence W. Lytton Lytton-Kambara Foundation 467 Central Park West New York, NY 10025 USA Y Lytton: 7,702,002 Foundation: 7,026,104 Lytton: 5.5% Foundation: 5.0% Lytton: 675,898 Foundation: 0 Lytton: 7,026,104 Foundation: 7,026,104 Lytton: 675,898 Foundation: 0 Lytton: 7,026,104 Foundation: 7,026,104 Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. EXHIBIT 99.1 - AGREEMENT REGARDING JOINT FILING OF STATEMENT ON SCHEDULE 13D OR 13G LYTTON LAURENCE W /s/ Laurence W. Lytton 02/17/2026 LYTTON-KAMBARA FOUNDATION /s/ Laurence W. Lytton 02/17/2026