Data spanning the past 90 days through February 19, 2026 reveals that Xtant Medical Holdings's three principal insider shareholders consist of Director Stavros G. Vizirgianakis (7.52Mn shares), President And Ceo Sean E Browne (2.58Mn shares), Chief Commercial Officer Kevin D Brandt (943.74K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Stavros G. Vizirgianakis | 7,515,570 | 18 Nov, 2025 | |
| Sean E Browne | President And Ceo | 2,575,274 | 18 Nov, 2025 |
| Kevin D Brandt | Chief Commercial Officer | 943,736 | 19 Aug, 2024 |
| John K Bakewell | 914,116 | 18 Nov, 2025 | |
| Scott C Neils | Cfo And Assistant Secretary | 843,381 | 16 Jan, 2026 |
| Robert Mcnamara | 754,151 | 19 Aug, 2024 | |
| Mark A. Schallenberger | Chief Operating Officer | 670,866 | 18 Nov, 2025 |
| Jonn R. Beeson | 517,619 | 18 Nov, 2025 | |
| Jeffrey J Peters | 448,546 | 17 Aug, 2022 | |
| Lori D Mitchell-Keller | 353,124 | 19 Aug, 2024 | |
| Greg Jensen | Vice President And Finance & Cfo | 285,331 | 17 Aug, 2021 |
| Michael Eggenberg | 215,415 | 17 Aug, 2022 | |
| Matthew Rizzo | 215,415 | 17 Aug, 2022 | |
| Tyler Lipschultz | 158,228 | 18 Nov, 2025 | |
| Abhinav Jain | 158,228 | 18 Nov, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 15 Jan, 2026 | Scott C Neils | Common Stock | D | 8,084 | $0.65 | 843,381 | D | F |
| 15 Nov, 2025 | John K Bakewell | Common Stock | A | 158,228 | $0.00 | 158,228 | D | A |
| 15 Nov, 2025 | John K Bakewell | Common Stock | A | 158,228 | $0.00 | 914,116 | D | A |
| 15 Nov, 2025 | Tyler Lipschultz | Common Stock | A | 158,228 | $0.00 | 158,228 | D | A |
| 15 Nov, 2025 | Stavros G. Vizirgianakis | - | - | 7,515,570 | D | |||
| 15 Nov, 2025 | Stavros G. Vizirgianakis | Common Stock | A | 553,797 | $0.00 | 7,515,570 | D | A |
| 15 Nov, 2025 | Sean E Browne | Common Stock | A | 394,937 | $0.00 | 2,575,274 | D | A |
| 15 Nov, 2025 | Scott C Neils | Common Stock | A | 263,291 | $0.00 | 851,465 | D | A |
| 15 Nov, 2025 | Mark A. Schallenberger | Common Stock | A | 292,253 | $0.00 | 670,866 | D | A |
| 15 Nov, 2025 | Jonn R. Beeson | Common Stock | A | 158,228 | $0.00 | 517,619 | D | A |
| 15 Nov, 2025 | Abhinav Jain | Common Stock | A | 158,228 | $0.00 | 158,228 | D | A |
| 15 Aug, 2025 | Sean E Browne | Common Stock | D | 10,605 | $0.63 | 2,180,337 | D | F |
| 15 Aug, 2025 | Scott C Neils | Common Stock | D | 34,131 | $0.63 | 588,174 | D | F |
| 10 Apr, 2025 | Advisors Llc Orbimed | Common Stock | D | 56,004,974 | $0.42 | 0 | I | S |
| 10 Apr, 2025 | Advisors Llc Orbimed | Common Stock | D | 17,109,618 | $0.42 | 0 | I | S |
| 10 Apr, 2025 | Advisors Llc Orbimed | - | - | 0 | I | |||
| 10 Apr, 2025 | Advisors Llc Orbimed | - | - | 0 | I | |||
| 15 Jan, 2025 | Scott C Neils | Common Stock | D | 7,986 | $0.53 | 622,305 | D | F |
| 15 Jan, 2025 | Scott C Neils | - | - | 622,305 | D | |||
| 15 Oct, 2024 | Sean E Browne | - | - | 2,190,942 | D |