Xtant Medical Holdings's top three insider shareholders as of June 18, 2026 are Stavros G. Vizirgianakis (Director, 7.52Mn shares), Stavros G. Vizirgianakis (Director, 6.00Mn shares), Sean E Browne (President And Ceo, 2.58Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Advisors Llc Orbimed | - | 0 | 215,415 | 17 Aug, 2022 |
| John K Bakewell | - | 448,546 | 0 | 17 Aug, 2022 |
| Greg Jensen | Vice President, Finance Cfo | 285,331 | 0 | 17 Aug, 2021 |
| Lori D Mitchell-Keller | - | 353,124 | 0 | 19 Aug, 2024 |
| Jeffrey J Peters | - | 448,546 | 0 | 17 Aug, 2022 |
| Robert Mcnamara | - | 754,151 | 0 | 19 Aug, 2024 |
| Tyler Lipschultz | - | 158,228 | 0 | 18 Nov, 2025 |
| Stavros G. Vizirgianakis | - | 7,515,570 | 0 | 18 Nov, 2025 |
| Kevin D Brandt | Chief Commercial Officer | 943,736 | 0 | 19 Aug, 2024 |
| Matthew Rizzo | - | 215,415 | 0 | 17 Aug, 2022 |
| Michael Eggenberg | - | 215,415 | 0 | 17 Aug, 2022 |
| Sean E Browne | President And Ceo | 2,575,274 | 0 | 18 Nov, 2025 |
| Scott C Neils | Cfo And Assistant Secretary | 843,381 | 0 | 16 Jan, 2026 |
| Mark A. Schallenberger | Chief Operating Officer | 663,157 | 0 | 18 Feb, 2026 |
| Jonn R. Beeson | - | 517,619 | 0 | 18 Nov, 2025 |
| Abhinav Jain | - | 158,228 | 0 | 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 Feb, 2026 | Mark A. Schallenberger | Common Stock | D | 7,709 | $0.58 | 663,157 | D | F |
| 15 Jan, 2026 | Scott C Neils | Common Stock | D | 8,084 | $0.65 | 843,381 | D | F |
| 15 Nov, 2025 | Jonn R. Beeson | Common Stock | A | 158,228 | $0.00 | 517,619 | D | A |
| 15 Nov, 2025 | Mark A. Schallenberger | Common Stock | A | 292,253 | $0.00 | 670,866 | D | A |
| 15 Nov, 2025 | Stavros G. Vizirgianakis | Common Stock | A | 553,797 | $0.00 | 7,515,570 | D | A |
| 15 Nov, 2025 | Abhinav Jain | Common Stock | A | 158,228 | $0.00 | 158,228 | D | A |
| 15 Nov, 2025 | Scott C Neils | Common Stock | A | 263,291 | $0.00 | 851,465 | D | A |
| 15 Nov, 2025 | Sean E Browne | Common Stock | A | 394,937 | $0.00 | 2,575,274 | D | A |
| 15 Nov, 2025 | John K Bakewell | Common Stock | A | 158,228 | $0.00 | 158,228 | D | A |
| 15 Nov, 2025 | Tyler Lipschultz | 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 | Mark A. Schallenberger | Performance Stock Units (PSUs) | A | 584,506 | $0.00 | 584,506 | D | A |
| 15 Nov, 2025 | Sean E Browne | Performance Stock Units (PSUs) | A | 789,874 | $0.00 | 789,874 | D | A |
| 15 Nov, 2025 | Scott C Neils | Performance Stock Units (PSUs) | A | 526,582 | $0.00 | 526,582 | 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 |
| 15 Jan, 2025 | Scott C Neils | Common Stock | D | 7,986 | $0.53 | 622,305 | D | F |
| 15 Oct, 2024 | Sean E Browne | Common Stock | D | 105,442 | $0.59 | 2,190,942 | D | F |