Xtant Medical Holdings, Inc.
SEC CIK 1453593 · XTNT · last insider filing 2026-02-18
Directors (from insider filings)
| Name | Capacity as filed | Filings |
|---|---|---|
| Bakewell John K | Director | filed 2018 - 2025 |
| Lipschultz Tyler | Director | filed 2025 - 2025 |
| Vizirgianakis Stavros G. | Director | filed 2022 - 2025 |
| Browne Sean E | Director · President and Chief Executive | filed 2019 - 2025 |
| Beeson Jonn R. | Director | filed 2023 - 2025 |
| Jain Abhinav | Director | filed 2025 - 2025 |
| Orbimed Advisors LLC | Director | filed 2018 - 2025 |
| Orbimed ROF II LLC | Director | filed 2019 - 2025 |
| Mitchell-Keller Lori D | Director | filed 2023 - 2024 |
| Mcnamara Robert | Director | filed 2018 - 2024 |
| Peters Jeffrey J | Director | filed 2018 - 2022 |
| Rizzo Matthew | Director | filed 2018 - 2022 |
| Eggenberg Michael | Director | filed 2018 - 2022 |
| Mainelli Michael | Director · Interim CEO | filed 2018 - 2018 |
| Buckman Paul | Director | filed 2016 - 2017 |
| Swanson Kent L | Director | filed 2011 - 2017 |
| Lopach Michael A | Director | filed 2011 - 2017 |
| Deedrick John Arthur | Director | filed 2012 - 2017 |
| Mazzocchi Rudy A | Director | filed 2016 - 2017 |
| Timko Eric Bernard | Director | filed 2016 - 2017 |
| Goldberger Daniel S | Director · President and CEO | filed 2013 - 2016 |
| Goodman David | Director | filed 2014 - 2016 |
| Wickwire JON M. | Director | filed 2011 - 2016 |
| Kirschman David Louis | Director · EVP & Chief Scientific Officer | filed 2015 - 2016 |
| Cook GUY S | Director · CEO | filed 2011 - 2014 |
| Godfrey Mitchell T | Director | filed 2011 - 2013 |
Officers (from insider filings)
| Name | Title as filed | Filings |
|---|---|---|
| Schallenberger Mark A. | Chief Operations Officer | filed 2023 - 2026 |
| Neils Scott C | Interim Chief Financial Office | filed 2022 - 2026 |
| Brandt Kevin D | VP & Chief Commercial Officer | filed 2018 - 2024 |
| Jensen Greg | Vice President, Finance & CFO | filed 2019 - 2021 |
| Berlin Ronald G. | VP & Chief Operations Officer | filed 2019 - 2019 |
| Lenzen Kathie J. | SVP Fiance & Admin. & CFO | filed 2018 - 2018 |
| O'Connell Carl | President | filed 2016 - 2018 |
| Gandolfo John P | CFO and Interim Co-CEO | filed 2011 - 2014 |
| Holmes Darrel LEE | Vice President-Medical Devices | filed 2011 - 2014 |
| Juda Gregory Alexander | Chief Scientific Officer | filed 2012 - 2014 |
| DI Silvio Robert M | President | filed 2014 - 2014 |
| Navarro Nicholas Maxwell | National Sales Manager | filed 2012 - 2013 |
| Taggart Robert Jr | Vice President National Sales | filed 2011 - 2011 |
| Hernandez Jesus | Vice President - Biologics | filed 2011 - 2011 |
About this record
From the SEC's insider-transaction filings (Forms 3, 4 and 5). Every reporting director and officer carries a Commission-assigned identifier (CIK), so these footprints are identifier-verified - no name matching involved. Insiders file when they transact, so dates are filing dates: "last filed" never means "served until". This layer is not yet joined to the nonprofit register - identity joins ship only after independent review.
Source: SEC Insider Transactions Data Sets (Forms 3/4/5), US Federal Government public domain.