Brian Douglas McGregor is listed as Principal at Sargent Investment Group, LLC on SEC Form ADV.
Form ADV reports a beneficial ownership band of 25-50%.
| Title | Principal |
| Ownership | 25-50% |
| Control person | Yes |
| Since | 2018 |
| Title | Trustee |
| Ownership | — |
| Control person | Yes |
| Since | 2024 |